Dr Ronald Ngayan, MD - Medicare Family Practice in Cerritos, CA

Dr Ronald Ngayan, MD is a medicare enrolled "Family Medicine" physician in Cerritos, California. He graduated from medical school in 2005 and has 19 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Southern California Permanente Medical Group and his current practice location is 11514 Wimbley Ct, Cerritos, California. You can reach out to his office (for appointments etc.) via phone at (714) 541-5252.

Dr Ronald Ngayan is licensed to practice in Ohio (license number 57.013772) 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 1134302847.

Contact Information

Dr Ronald Ngayan, MD
11514 Wimbley Ct,
Cerritos, CA 90703-1761
(714) 541-5252
(714) 541-1402

Map and Direction




Physician's Profile

Full NameDr Ronald Ngayan
GenderMale
SpecialityFamily Practice
Experience19 Years
Location11514 Wimbley Ct, Cerritos, 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 Ronald Ngayan graduated from medical school in 2005
  NPI Data:
  • NPI Number: 1134302847
  • Provider Enumeration Date: 12/17/2007
  • Last Update Date: 11/29/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9638331739
  • Enrollment ID: I20120508000166

Medical Identifiers

Medical identifiers for Dr Ronald Ngayan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134302847NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 57.013772 (Ohio)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Permanente Medical Group60027291757951

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 Ronald Ngayan allows following entities to bill medicare on his behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678

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 Ronald Ngayan 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 Ronald Ngayan, MD
11514 Wimbley Ct,
Cerritos, CA 90703-1761

Ph: (714) 541-5252
Dr Ronald Ngayan, MD
11514 Wimbley Ct,
Cerritos, CA 90703-1761

Ph: (714) 541-5252

Reviews and Comments


Family Medicine Doctors in Cerritos, CA

Dr. John Shin Kim, M.D.
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Phone: 562-402-7622    Fax: 562-402-2452
Long Quang Dang, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 12900 Park Plaza Dr Ste 150, Cerritos, CA 90703
Phone: 562-677-2637    Fax: 562-741-4479
Dr. Ushakumar Gogineni, D.O.
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Medicare: Medicare Enrolled
Practice Location: 13220 Rose St, Cerritos, CA 90703
Phone: 562-404-2882    Fax: 562-404-2882
John A. Keipp, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 12900 Park Plaza Drive # 150, Attention: Maggie Noles Ms 6160, Cerritos, CA 90703
Phone: 562-622-2800    Fax: 562-622-2898
Dr. Emerico Csepanyi, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16510 Bloomfield Ave, Cerritos, CA 90703
Phone: 562-229-0902    Fax: 562-229-0952
Virag Y Shah, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 12900 Park Plaza Dr Ste 150, Cerritos, CA 90703
Phone: 562-861-9200    

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.