Dr Gretchen Christine Gainor, MD - Medicare Pediatrics in La Jolla, CA

Dr Gretchen Christine Gainor, MD is a medicare enrolled "Pediatrics" physician in La Jolla, California. Her current practice location is 7300 Girard Ave, La Jolla, California. You can reach out to her office (for appointments etc.) via phone at (858) 459-4351.

Dr Gretchen Christine Gainor is licensed to practice in California (license number G79066) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1174504757.

Contact Information

Dr Gretchen Christine Gainor, MD
7300 Girard Ave,
La Jolla, CA 92037-5138
(858) 459-4351
(858) 459-4399

Map and Direction




Physician's Profile

Full NameDr Gretchen Christine Gainor
GenderFemale
SpecialityPediatrics
Location7300 Girard Ave, La Jolla, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1174504757
  • Provider Enumeration Date: 11/09/2005
  • Last Update Date: 05/19/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1153684287
  • Enrollment ID: I20180424000938

Medical Identifiers

Medical identifiers for Dr Gretchen Christine Gainor such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174504757NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics G79066 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Gretchen Christine Gainor allows following entities to bill medicare on her behalf.
Entity NameSharp Rees-stealy Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285616177
PECOS PAC ID: 8628972759
Enrollment ID: O20031120000996

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Gretchen Christine Gainor is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Gretchen Christine Gainor, MD
7300 Girard Ave,
La Jolla, CA 92037-5138

Ph: (858) 459-4351
Dr Gretchen Christine Gainor, MD
7300 Girard Ave,
La Jolla, CA 92037-5138

Ph: (858) 459-4351

Reviews and Comments


Pediatrics Doctors in La Jolla, CA

Pei-shan Lee, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 9300 Campus Point Dr # Mc7774, La Jolla, CA 92037
Phone: 858-249-1702    
Dr. Angell C Shieh, MD, PHD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 7300 Girard Ave, Suite 106, La Jolla, CA 92037
Phone: 858-459-4351    
Dr. Ryan Loreno Lym, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 7300 Girard Ave Ste 106, La Jolla, CA 92037
Phone: 858-459-4351    Fax: 858-459-4399
Dr. Nathaly Maria Coromoto Sweeney, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 9300 Campus Point Dr # Mc7774, La Jolla, CA 92037
Phone: 619-543-3759    Fax: 619-543-3812
Dr. Kuang-chung Hu Chien, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 9445 La Jolla Farms Rd, La Jolla, CA 92037
Phone: 858-622-0888    
Dr. Sandra P Daley, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 9500 Gilman Dr, Mail Code 0927, La Jolla, CA 92093
Phone: 619-681-0764    Fax: 619-681-0666

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.