Home / Office Information

Office Information

Office Information

The offices of Allergy & Asthma Consultants of NJ-PA are conveniently located in South Jersey, NJ shore and Montgomery County in Pennsylvania. The offices are equipped for complete diagnosis and treatment of allergies and asthma.

Through a comprehensive evaluation and consultation, we design a treatment plan appropriate for your condition. Our goal is to develop the optimal plan that requires the least intervention to control your allergies and asthma. We see pediatric and adult patients and accept most insurance plans in the Delaware Valley.

In addition, we conduct research studies on Allergies and Asthma.

We provide: Allergy skin testing, Physicians supervised allergy injections, Pulmonary function testing and all relevant patient education materials. 

Location & Hours

Offices of Allergy & Asthma Consultants of NJ-PA are conveniently located in South Jersey, NJ Shore and Montgomery County in Pennsylvania.

Montgomery County / Collegeville Office is located on route 29 few miles off route 422 in Collegeville.

Office Hours:

  • Monday: 9AM - 7PM
  • Tuesday: 9AM - 6PM
  • Wednesday: 9AM - 7PM
  • Thursday: 9AM - 5PM
  • Friday: 9AM - 12 Noon

Allergy Injection Hours:

  • Monday: 9AM - 6:30PM
  • Tuesday: 9AM - 5:30PM
  • Wednesday: 9AM - 6:30PM
  • Thursday: 9AM - 4:30PM
  • Friday: 9AM - 11:30AM

South Jersey / Marlton office is located on Route 73 about 1 mile north of route 70 intersection and 2 miles south of NJ turnpike and 295..

Office Hours:

  • Wednesday: 9AM - 7PM
  • Friday: 9AM - 3 PM

Allergy Injection Hours:

  • Wednesday: 9AM - 11:30AM & 1PM - 6:30PM
  • Friday: 9AM - 3 PM

NJ Shore / Cape May Court House is located about 1 mile from Burdette Tomlin Hospital on Dennisville road.

Office Hours:

  • Tuesday: 9AM - 6PM
  • Thursday: 9AM - 6PM

Allergy Injection Hours:

  • Tuesday: 9AM - 11:30AM & 1PM - 5:30 PM
  • Thursday: 9AM - 11:30AM & 1PM - 5:30 PM 


The doctors and staff at Allergy & Asthma Consultants strive to provide competent, caring and sensitive care.

Mahendra P. Dadhania, MD, Shailen R. Shah, MD and Adele M. Guernica, DO are all fellowship trained in the specialty of Allergy & Immunology. All doctors are Board Certified by the American Board of Allergy & Immunology. All physicians are experienced and passionate.

Dr. Shah completed his fellowship at Thomas Jefferson University in Philadelphia. He is Board Certified by American Board of Pediatrics also.

Dr. Dadhania was trained at Albert Einstein College of Medicine, New York in Allergy & Immunology. He is also Board Certified by American Board of Internal medicine.

Dr. Guernica completed her fellowship at Children's hospital in Kansas City and she is Board Certified in Pediatrics also.

Other office Staff Include:

Front Desk:

  • Patricia Cetrone
  • Elsie Huryan
  • Connie Perry
  • Barbara Reed-Trombetta
  • Kimberly Trombetta


  • Kathryn Latshaw
  • Eileen Lee
  • Nancy Lloyd

Research Co-Ordinator:

  • Tracy DeVito

Insurance Accepted

We participate in most insurances in Delaware Valley and following is the partial list of participating insurances. If you do not see your insurance in the list or if you have any insurance related questions, call our office.

Aetna US HealthCare Magna Care
AmeriCaid Master Care
AmeriCare Medicare
Americhoice Medichoice
Amerigroup Multiplan
AmeriHealth Oxford
Amerihealth Blair Mill QualCare
AtlantiCare Qual Med / Maxnet / Greater Atlantic
Champus / Tricare Pennsylvania BC / Ind. BS
Cigna Physician�s Health Services (PHS)
Ethix Mid-Atlantic / NYL Care Premier Preffered Care
First Option Private Health Care System (PHCS)
Health Care Compare Prudential
Horizon HMO Blue (NJ Plus) United Health Care
Horizon BCBS of NJ University Health Plans
Horizon NJ Health (Mercy)  
Intergroup Services  
Keystone Health Plan  


This site and its contents provided are for patient educational use only. Nothing contained in this site is or should be considered, or used as a substitute for, medical advice, diagnosis or treatment. The information provided on this site are here to educate patients on health care and medical issues mainly pertaining to various allergic disorders and asthma that may affect their daily lives. This site and its information do not constitute the practice of any medical, nursing or other professional health care advice, diagnosis or treatment. We advise users to always seek the advice of a physician or other qualified health care provider with any questions regarding personal health or medical conditions. .

The materials presented here are copyrights of the Allergy & Asthma Consultants of NJ-PA unless otherwise specified.