Andrew Jay Gellens, MD - Medicare Obstetrics & Gynecology in La Mesa, CA

Andrew Jay Gellens, MD is a medicare enrolled "Obstetrics & Gynecology - Gynecologic Oncology" physician in La Mesa, California. His current practice location is 8851 Center Dr 210, La Mesa, California. You can reach out to his office (for appointments etc.) via phone at (619) 463-7775.

Andrew Jay Gellens is licensed to practice in California (license number G71477) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1164528741.

Contact Information

Andrew Jay Gellens, MD
8851 Center Dr 210,
La Mesa, CA 91942
(619) 463-7775
(619) 463-4181

Map and Direction




Physician's Profile

Full NameAndrew Jay Gellens
GenderMale
SpecialityObstetrics & Gynecology - Gynecologic Oncology
Location8851 Center Dr 210, La Mesa, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1164528741
  • Provider Enumeration Date: 09/15/2006
  • Last Update Date: 02/01/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 8123209780
  • Enrollment ID: I20120223000810

Medical Identifiers

Medical identifiers for Andrew Jay Gellens such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164528741NPI-NPPES
GR0043610OtherMEDICAL GROUP

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VX0201XObstetrics & Gynecology - Gynecologic Oncology G71477 (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. Andrew Jay Gellens allows following entities to bill medicare on his behalf.
Entity NameLa Maestra Family Clinic, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306929443
PECOS PAC ID: 7113968512
Enrollment ID: O20050516000901

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. Andrew Jay Gellens 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
Andrew Jay Gellens, MD
8851 Center Dr 210,
La Mesa, CA 91942

Ph: (619) 463-7775
Andrew Jay Gellens, MD
8851 Center Dr 210,
La Mesa, CA 91942

Ph: (619) 463-7775

Reviews and Comments


Obstetrics & Gynecology Doctors in La Mesa, CA

Ms. Rebeca Sandoval, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 5360 Jackson Drive, Suite 100, La Mesa, CA 91942
Phone: 619-464-1374    Fax: 619-464-1058
Dr. Kevin L. Fulford, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 5555 Grossmont Center Dr, La Mesa, CA 91942
Phone: 619-704-4966    
Dr. Tracie Lyn Davis, M.D., FACOG
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 8851 Center Dr Ste 210, La Mesa, CA 91942
Phone: 619-463-7775    Fax: 619-463-4181
Mark Zyman, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 5525 Grossmont Center Dr, La Mesa, CA 91942
Phone: 619-644-6908    Fax: 619-644-6960
Dr. Camela Ann Mcgrath, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 5525 Grossmont Center Dr, La Mesa, CA 91942
Phone: 858-499-2702    
Mr. James Roland Schaefer, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 8851 Center Dr, Suite 210, La Mesa, CA 91942
Phone: 619-463-3363    Fax: 619-463-4181

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.