Dr. Jason Joseph Gajarsa
Dr. Jason J. Gajarsa
Last updated: Nov 3, 2021

Dr. Jason J. Gajarsa

  • Gender: Male
  • Experience: 17 years
  • Graduated from: Georgetown University School Of Medicine
  • Graduation year: 2004
  • Sole propriator: Yes
  • NPI: 1427256577

Dr. Jason J. Gajarsa M.D.

Internist

He is located at 11180 Warner Avenue Suite #353 in Fountain Valley, CA 92708. Can help patients with the following: Acute Pain, Diarrhea, High Blood Pressure, Hyperlipidemia, Prescription Refill, Urinary Tract Infection (UTI). His National Provider Identifier (NPI) number is 1427256577. Appointment can be made via the phone number (714) 751-3540. He is affiliated with 4 practices and 2 hospitals.

Conditions treated

Dr. Jason Joseph Gajarsa, being an internist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Jason J. Gajarsa.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Urethritis
  • Urinary Tract Infection (UTI)

Medicare Enrollment

Dr. Jason J. Gajarsa is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Cardiovascular Disease (cardiology)) .

Bills through: Southern California Permanente Medical Group

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Novartis $117

Other

Food and Beverage $118

Studies

GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE

Graduated in 2004

Affiliated practices

South County Physicians Medical Group
11180 Warner Avenue
Fountain Valley, 92708 CA
(714) 751-0995
Pacific Renal Care Medical Corp.
11180 Warner Avenue
Fountain Valley, 92708 CA
(714) 241-9200
Shahnaz Qureshi Shaikh MD
11180 Warner Avenue
Fountain Valley, 92708 CA
(714) 662-2633
Lalla-Reddy Medical Coporation
11180 Warner Avenue
Fountain Valley, 92708 CA
(714) 434-0404

Affiliated hospitals

KAISER FOUNDATION HOSPITAL - SOUTH BAY
25825 SOUTH VERMONT AVENUE
HARBOR CITY, 90710 CA
(310) 325-5111
KAISER FOUNDATION HOSPITAL - LOS ANGELES
4867 SUNSET BLVD
LOS ANGELES, 90027 CA
(323) 783-4011

Looking for more Internists?

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Dr. Michael Thomas Cho
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Dr. Fernando H. Austin
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Dr. Melanie Lin
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Dr. Andrew C. Ko
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Dr. Lalitha Durairaj
  • Gender: Female
  • Address: Suite 218 11100 Warner Avenue Fountain Valley, 92708, CA
Dr. Simon Cheung
  • Gender: Male
  • Address: Suite 310 11100 Warner Avenue Fountain Valley, 92708, CA

Questions & Answers

Does Dr. Jason Joseph Gajarsa accept insurance?

Unfortunately we don't have any information if Dr. Jason Joseph Gajarsa accepts insurance.

What conditions does Dr. Jason Joseph Gajarsa treat?

Dr. Jason Joseph Gajarsa provides treatment for Acute Pain, Diarrhea, High Blood Pressure, Hyperlipidemia, Prescription Refill, Urinary Tract Infection (UTI). For the full list see this list.

Where can you meet with Dr. Jason Joseph Gajarsa?

Dr. Jason Joseph Gajarsa's office is located at 11180 Warner Avenue Suite #353 in Fountain Valley, CA 92708.

Does Dr. Jason Joseph Gajarsa have affiliation with practices?

Dr. Jason Joseph Gajarsa is affiliated with South County Physicians Medical Group. For the full list of practices see this list.

Has Dr. Jason Joseph Gajarsa affiliation with hospitals?

Dr. Jason Joseph Gajarsa is affiliated with KAISER FOUNDATION HOSPITAL - SOUTH BAY. For the full list of hospitals see this list.