Dr Richard Alan Zelner, - Medicare Gastroenterology in Fountain Valley, CA

Dr Richard Alan Zelner, is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Fountain Valley, California. He went to Louisiana State University School Of Medicine In New Orleans and graduated in 1982 and has 42 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Memorialcare Medical Foundation and his current practice location is 18035 Brookhurst St., Ste. 2100, Fountain Valley, California. You can reach out to his office (for appointments etc.) via phone at (657) 241-9090.

Dr Richard Alan Zelner is licensed to practice in California (license number G50987) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1235274259.

Contact Information

Dr Richard Alan Zelner,
18035 Brookhurst St., Ste. 2100,
Fountain Valley, CA 92708
(657) 241-9090
(714) 665-4603

Map and Direction




Physician's Profile

Full NameDr Richard Alan Zelner
GenderMale
SpecialityGastroenterology
Experience42 Years
Location18035 Brookhurst St., Ste. 2100, Fountain Valley, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Richard Alan Zelner attended and graduated from Louisiana State University School Of Medicine In New Orleans in 1982
  NPI Data:
  • NPI Number: 1235274259
  • Provider Enumeration Date: 02/20/2007
  • Last Update Date: 01/11/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4981743903
  • Enrollment ID: I20100528000052

Medical Identifiers

Medical identifiers for Dr Richard Alan Zelner such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235274259NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology G50987 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Memorialcare Orange Coast Medical CenterFountain valley, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Memorialcare Medical Foundation8729277314384

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 Richard Alan Zelner allows following entities to bill medicare on his behalf.
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. Dr Richard Alan Zelner 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 Richard Alan Zelner,
18035 Brookhurst St., Ste. 2100,
Fountain Valley, CA 92708

Ph: (657) 241-9090
Dr Richard Alan Zelner,
18035 Brookhurst St., Ste. 2100,
Fountain Valley, CA 92708

Ph: (657) 241-9090

Reviews and Comments


Internal Medicine Doctors in Fountain Valley, CA

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Mr. Satinder Swaroop, MD
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Practice Location: 11180 Warner Ave, Suite #353, Fountain Valley, CA 92708
Phone: 714-751-3540    Fax: 714-751-5626
Yu-ming Ni, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 18111 Brookhurst St Ste 5100, Fountain Valley, CA 92708
Phone: 714-546-2238    

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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