• Pollen Count
  • Injection Hours
  • Your Pharmacist
January
Moderate: African sumac, ash, juniper-cypress, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, Johnson grass smut, stemphylium.
Februray
Peaking: African sumac, ash, mulberry.
Moderate: Grasses, oak, pine, salt cedar, cottonwood, elm, white rust, alternaria, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, Johnson grass smut, stemphylium.
March
Peaking: Mulberry, pine.
Moderate: Ragweeds, ash, juniper-cypress, oak, cottonwood, elm, white rust, alternaria, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, Johnson grass smut, stemphylium.
April
Peaking: Grasses, plantain, .ragweeds, bottlebrush, elderberry, juniper-cypress, olive, privet.
Moderate: Ash, mulberry, oak, pine, cottonwood, elm, white rust, alternaria, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, stemphylium.
May
Peaking: Grasses, oak, pecan, paloverde, salt cedar.
Moderate: Ragweeds, elderberry, olive, alternaria, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, stemphylium.
June
Peaking: Eucalyptus.
Moderate: Grasses, ragweeds, elderberry, palm, paloverde, pine, alternaria, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, stemphylium.
July
Peaking: Palm.
Moderate: Grasses, ragweeds, eucalyptus, pine, alternaria, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, stemphyllum.
August
Moderate: Grasses, ragweeds, salt cedar, alternaria, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, stemphylium.
September
Moderate: Grasses, ragweeds, salt cedar, alternaria, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, stemphylium.
October
Peaking: Alder.
Moderate: Grasses, ragweeds, elm, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, stemphylium.
November
Moderate: Grasses, plantain, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, Johnson grass smut, stemphylium.
December
Moderate: Juniper-cypress, aspergillus, leaf mold, black mold, clear mold, powdery mildew, blue-green mold, bread mold, Johnson grass smut, stemphylium.

Allergy Injection Hours

NOTE: You can show only the locations you wish to see by unchecking the location in the drop down arrow to the right of the word "agenda" below.

IMPORTANT: The injection hours calendar is not compatible with Internet Explorer 9. Please view in Firefox or an alternate web browser. Download Firefox here

To see the complete list of injection hours per location, please click here to visit our Services page.

Call your pharmacist to refill your prescription.

Arizona Allergy Associates Providers

Our Physicians are Board Certified by the American Board of Allergy and Immunology. All of our physician assistants are board certified. Our offices are conveniently located throughout the "Valley of the Sun" in Phoenix, North Scottsdale, Chandler, and East Mesa, Our Physicians have won many awards, including multiple "Top Docs" awards from Phoenix Magazine.


Arizona Allergy Associates - Phoenix Magazine Top Docs 2012  Arizona Allergy Associates - Phoenix Magazine Top Docs 2013  Arizona Allergy Associates - Phoenix Magazine Top Docs 2014  Arizona Allergy Associates - Phoenix Magazine Top Docs 2015

Physicians

 

Dr. Robert W. Hellmers

Arizona Allergy Associates - Dr. Robert W. Hellmers

MD:

Pediatric Internship/Residency:

Allergy/Immunology Fellowship:

Diplomate:

 

University of California, Irvine

Children's Hospital Los Angeles

L.A. County/USC Medical Center

American Board of Allergy & Immunology

American Board of Pediatrics

Bio

Dr. Robert Hellmers is one of the founding physicians of Arizona Allergy Associates.  He brings a wealth of experience to the practice. 

He is a calming influence.  He takes the time to learn about his patient's private live as well as their medical histories.  It is amazing how he can remember something that was told to him months ago by one of his patients and elicits updates.  Patients feel comfortable and unrushed when in the presence of Dr. Hellmers.   He has a special interest in Immunodeficiency.

 

Dr. Duane W. Wong

Arizona Allergy Associates - Dr. Duane W. Wong

MD:

 

Pediatric Internship/Residency:

 

Allergy/Immunology Fellowship:

Diplomate:

 

Northwestern University's Feinberg School of Medicine

Children's Hospital Los Angeles

Phoenix Children's Hospital

Children's Hospital Los Angeles

American Board of Allergy & Immunology

American Board of Pediatrics

Bio

Dr. Duane Wong is a board certified allergist/immunologist and has been recognized as one the Valley’s “Top Docs” in the Phoenix Magazine on more than one occasion. 

He earned his medical degree from Northwestern University Medical School in Chicago, IL, completed his internship at  Children’s Hospital of Los Angeles, his residency at Children’s Hospital of Los Angeles and Phoenix Children’s Hospital, and did his Allergy/Immunology Fellowship at Children’s Hospital of Los Angeles.  He is also board certified in Pediatrics.  He has been practicing in the Valley since 1989.  He enjoys mountain and road biking, playing the drums and spending time with his wife and two children.  Dr. Wong has a special interest in Immunodeficiency disorders. Despite misguided attempts to suggest otherwise, Dr. Duane remains an ardent fan of Arizona's major sports teams. Certain loyalties cannot be bought with tainted Hollywood dollars.

 

Dr. Darrell W. Wong

Arizona Allergy Associates - Dr. Darrell W. Wong

MD:

Pediatric Internship/Residency:

Allergy/Immunology Fellowship:

 

 

Diplomate:

FUHS/The Chicago Medical School

Children's Hospital Los Angeles

Children's Memorial Hospital

Northwestern University's Feinberg School of Medicine

American Board of Allergy & Immunology

Bio

Darrell W. Wong, MD is a board certified Allergist/Immunologist and has been recognized  by the Phoenix Magazine as a “Top Doc” in the Metro Phoenix area.

He received his M.D. from the Finch University of Health Sciences/Chicago Medical School in Chicago, Illinois.  He then completed his Pediatric Internship and Residency at Children’s Hospital of Los Angeles, and returned to Chicago to complete a Fellowship in Allergy and Immunology at Children’s Memorial Hospital/Northwestern University. He enjoys playing basketball, fishing, gaming, playing music, travelling and spending time with his family.  Born and raised in Los Angeles, he is an avid L.A. sports fan.  He is proud to have had the privilege to witness multiple Lakers and Dodgers championships over the years (sorry Suns fans!).

 

Dr. Laine E. Keahey

Arizona Allergy Associates - Dr. Laine E. Keahey

MD:

Chief Resident, Pediatrics:

Pediatric Internship/Residency:

Allergy/Immunology Fellowship:

Diplomate:

University of Manitoba

Children's Hospital, Winnipeg

Children's Hospital, Winnipeg

Children's Hospital, Winnipeg

American Board of Allergy & Immunology

Bio

Dr. Laine Keahey is board certified with the American College of Allergy and Immunology and has also been recognized as a Phoenix “Top Doc”. 

After graduating from the University of Manitoba Faculty of Medicine she went on to complete her residency (Pediatrics) and fellowship (Allergy and Immunology) also at the University of Manitoba in Canada.  She was Chief Resident in her Pediatrics Program.  Dr. Keahey has been practicing in the Phoenix Metro Area since 2002.  She is a fervent Phoenix Suns and Arizona Cardinals fan.  She enjoys traveling and spending time with her two small children.  Her special interests include food allergy, asthma and allergic rhinitis.

 

Dr. Radha G. Rishi

Arizona Allergy Associates - Dr. Radha G. Rishi

MD:

Pediatric Internship/Residency:

 

Allergy/Immunology Fellowship:

Diplomate:

University of Tennessee

LeBonheur Children's Medical Center

St. Jude's Children Research Hospital

University of Tennessee

American Board of Allergy & Immunology

Bio

Radha Rishi, MD graduated Summa Cum Laude with highest honors in Biology from Christian Brothers University.  She completed her medical training at the University of Tennessee College of Medicine. 

Dr. Rishi completed her Pediatric Residency at LaBonheur Children's Medical Hospital, and she went on to pursue sub-specialty training in Allergy & Immunology at the University of Tennessee.  She also completed both Pediatric and Immunology training at St. Jude's Children Research Hospital in Memphis, Tennessee.  She is a Fellow of both the American Academy of Allergy, Asthma & Immunology (AAAAI) and the American College of Allergy, Asthma & Immunology (ACAAI).  She is Board Certified in Pediatrics and Allergy & Immunology.  She is a published author, and she is in her national, state, regional and local allergy societies. Dr. Radha Rishi is board certified with the American College of Allergy and Immunology and has also been recognized as a Phoenix “Top Doc” multiple times.

Dr. Rishi specializes in the treatment of allergic & immunological diseases of adults and children including asthma, allergy, drug allergy, food allergy, immunological disorders, eczema, Eosinophilic gastrointestinal disease, and venom allergy.  She performs allergy testing for foods and environmental allergens, patch testing for foods, venom testing and desensitization, drug allergy testing and food challenges.

In her spare time, Dr. Rishi enjoys spending time with her husband and her son.  She also enjoys yoga, traveling and book clubs.  She is a big fan of the Phoenix Suns & Arizona Cardinals.

 

Dr. Rahul S. Rishi

Arizona Allergy Associates - Dr. Rahul S. Rishi

  • DO:
  • Chief Fellow, Allergy Immunology
  • Chief Resident, Internal Medicine
  • Internal Medicine Internship/Residency
  • Allergy/Immunology Fellowship
  • Adult and Pediatric Allergy Immunology:  Chief Fellow – Larkin Hospital/Nova Southeastern University – Miami, Florida
  • Nova Southeastern University
  • Miami Childrens Hospital
  • Larkin Community Hospital
  • American Osteopathic Board of Allergy Immunology

Bio

Dr. Rishi completed his fellowship in Adult and Pediatric Allergy Immunology at Larkin Hospital/Nova Southeastern University in Miami, Fl. During his fellowship, he was honored as Chief Fellow.

Dr. Rishi completed additional training in Dermatology under the renown Dr. Kelly Mosley-Mendez. He is board certified in Internal Medicine and board eligible in Allergy Immunology. He completed his Internal Medicine training at Midwestern/SVRHC where he was selected as Chief Resident. During this time, he was honored as one of two residents in Arizona to serve on the American College of Physicians state council. His residency also selected him to present an oral vignette on autoimmune urticaria at the American College of Physicians conference. Dr. Rishi earned his medical degree at the Arizona College of Osteopathic Medicine. He completed his undergraduate degree in biomedical sciences at Midwestern University where he graduated summa cum laude with highest honors, and was honored as valedictorian. Dr. Rishi has a strong interest in research and has many publications in the field of allergy immunology with his most recent publication in Annals of Allergy, Asthma and Immunology in December of 2014.

Dr. Rishi specializes in the treatment of allergic & immunological diseases of adults and children. He has a strong interest in angioedema and pediatric eczema. In his spare time, he is a self-described sports junkie and is a strong supporter of the Arizona Cardinals, Arizona Coyotes, Arizona Diamondbacks and Phoenix Suns.

 

Physicians' Assistants

 

Rachael M. Stillwagon, PA-C

Arizona Allergy Associates - Rachael M. Stillwagon, PA-C

PA-C:

Board Certified:

FUHS/The Chicago Medical School

National Commission on Certification of Physician Assistants

Bio

Rachael Stillwagon, PA-C is a physician assistant with over 10 years of experience in allergy and asthma. 

She has a reputation of spending extra time and listening to her patients to make a thorough diagnosis.  Rachael's patient base has largely been developed by referrals from her own patients through positive word of mouth.  She has a special interest in allergic rhinitis, sinusitis, asthma and urticaria.

 

Kerry Berghoff, FNP-C

Arizona Allergy Associates - Kerry Berghoff, FNP-C

FNP-C:

Board Certified:

Bachelor's in Biology Summa Cum Laude from Northern Arizona University

Nursing degree from the University of Alaska at Anchorage

Master's in Nursing Summa Cum Laude from Northern Arizona University

Board certified by the American Academy of Nurse Practitioners

Bio

Kerry is a family nurse practitioner who joined the practice as a provider after spending 10 years as registered nurse in the practice.

She graduated Summa Cum Laude from Northern Arizona University with a biology degree, and then received her nursing degree from the University of Alaska at Anchorage. She received her master's degree in nursing also from Northern Arizona University where she again graduated Summa Cum Laude. She is board certified by the American Academy of Nurse Practitioners. She loves to work with patients of all ages.

 

Tonilyn Hatch, PA-C

Arizona Allergy Associates - Tonilyn Hatch, PA-C

PA-C:

Board Certified:

BS - Bachelor of Science from Brigham Young University

PA-C - Masters of Medical Sciences in Physician Assistant Studies from Midwestern University – Glendale, AZ

Board Certified National Commission on Certification of Physician Assistants

Bio

Tonilyn joined Arizona Allergy Associates in January of 2013 after completing her physician assistant training with a special emphasis on allergy, asthma and pulmonology.

Tonilyn is Board Certified by the National Commission on Certification of Physician Assistants and has a special interest in allergy, asthma and pulmonology. She rotates throughout our four facilities and enjoys working with all ages of patients.

 

Emeritus

 

Dr. Kenneth A. Tollackson

Arizona Allergy Associates - Dr. Kenneth A. Tollackson

M.D.:

Pediatric Internship/Residency:

Allergy/Immunology Fellowship:

Diplomate:

Harvard University

Children's Hospital Los Angeles

UCSF Medical Center

American Board of Allergy & Immunology

Arizona Allergy Associates - Dr. Robert W. Hellmers

Arizona Allergy Associates - Dr. Robert W. Hellmers

Arizona Allergy Associates - Dr. Duane W. Wong

Arizona Allergy Associates - Dr. Duane W. Wong

Arizona Allergy Associates - Dr. Darrell W. Wong

Arizona Allergy Associates - Dr. Darrell W. Wong

Arizona Allergy Associates - Dr. Laine E. Keahey

Arizona Allergy Associates - Dr. Laine E. Keahey

Arizona Allergy Associates - Dr. Radha G. Rishi

Arizona Allergy Associates - Dr. Radha G. Rishi

Arizona Allergy Associates - Dr. Rahul S. Rishi

Arizona Allergy Associates - Dr. Rahul S. Rishi

Arizona Allergy Associates - Dr. Kenneth A. Tollackson

Arizona Allergy Associates - Dr. Kenneth A. Tollackson

Arizona Allergy Associates - Rachael M. Stillwagon, PA-C

Arizona Allergy Associates - Rachael M. Stillwagon, PA-C

Arizona Allergy Associates - Kerry Berghoff, FNP-C

Arizona Allergy Associates - Kerry Berghoff, FNP-C

Arizona Allergy Associates - Tonilyn Hatch, PA-C

Arizona Allergy Associates - Tonilyn Hatch, PA-C