George Lewis, - Medicare Family Medicine in Fountain Valley, CA

George Lewis, is a medicare enrolled "Family Medicine" physician in Fountain Valley, California. His current practice location is 11420 Warner Ave, Fountain Valley, California. You can reach out to his office (for appointments etc.) via phone at (714) 549-1300.

George Lewis is licensed to practice in California (license number A182914) 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 1083243521.

Contact Information

George Lewis,
11420 Warner Ave,
Fountain Valley, CA 92708-2529
(714) 549-1300
(714) 433-3100

Map and Direction




Physician's Profile

Full NameGeorge Lewis
GenderMale
SpecialityFamily Medicine
Location11420 Warner Ave, Fountain Valley, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1083243521
  • Provider Enumeration Date: 04/06/2020
  • Last Update Date: 11/15/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1951703628
  • Enrollment ID: I20230509000847

Medical Identifiers

Medical identifiers for George Lewis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083243521NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A182914 (California)Primary
390200000XStudent In An Organized Health Care Education/training Program NA (California)Secondary

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. George Lewis allows following entities to bill medicare on his behalf.
Entity NameHealthcare Partners Affiliates Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659312593
PECOS PAC ID: 7315842002
Enrollment ID: O20031204001258
Entity NameMemorialcare Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205167350
PECOS PAC ID: 8729277314
Enrollment ID: O20110113000219

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. George Lewis 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
George Lewis,
11420 Warner Ave,
Fountain Valley, CA 92708-2529

Ph: (714) 549-1300
George Lewis,
11420 Warner Ave,
Fountain Valley, CA 92708-2529

Ph: (714) 549-1300

Reviews and Comments


Family Medicine Doctors in Fountain Valley, CA

Dr. Diana Kim Phung Nguyen Pham, MD
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Medicare: Medicare Enrolled
Practice Location: 18642 Bushard St, Fountain Valley, CA 92708
Phone: 714-883-0771    Fax: 714-962-2321
Kevin Howard Schachter, MD
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Practice Location: 8970 Warner Ave, Fountain Valley, CA 92708
Phone: 714-477-8400    
Dr. Kathryn Allen, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 18785 S. Brookhurst St, Ste 200, Fountain Valley, CA 92708
Phone: 714-378-5300    Fax: 714-378-5320
Edgar A Fernandez, DO
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 9930 Talbert Ave, Fountain Valley, CA 92708
Phone: 714-964-6229    
Dr. Robert Allan Devereaux, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 11100 Warner Ave, Ste 100, Fountain Valley, CA 92708
Phone: 714-957-9389    Fax: 714-957-0144
Dr. Hung-chuan Cheng, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 11100 Warner Ave #118, Fountain Valley, CA 92708
Phone: 714-444-0724    
Afdal Ibrahim Allam, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 8970 Warner Ave, Fountain Valley, CA 92708
Phone: 714-848-7757    

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).

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