Olaniyi Fadeyi, MD
Internal Medicine Physician · Anaheim, CA
Olaniyi Fadeyi, MD is an internal medicine physician with a practice address in Anaheim, California, and NPI 1487275194, issued on May 4, 2020. Check the license (California A191379, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Olaniyi Fadeyi
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A191379 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3033 W Orange Ave, Anaheim, CA 92804
- Phone
- (832) 870-2089
- Enumerated
- May 4, 2020
- Record last updated
- Jul 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20240715001393); accepts Medicare assignment
- Entity
- Type 1 · individual
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Also registered at 3033 W Orange Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Olaniyi Fadeyi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A191379Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $23.51
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- 24 ON Physicians OF California PCEl Centro, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olaniyi Fadeyi among 17,696 internal medicine physician records in California
Olaniyi Fadeyi, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
189 internal medicine physician records list a practice address in Anaheim
They are 189 of the 9,018 NPPES records with a practice address in Anaheim, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Anaheim → Internal Medicine Physician nationwide →
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Common questions
What is Olaniyi Fadeyi, MD's NPI number?
Olaniyi Fadeyi, MD's National Provider Identifier (NPI) is 1487275194, issued on May 4, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Olaniyi Fadeyi, MD located?
The NPPES record lists a practice address at 3033 W Orange Ave, Anaheim, CA, 92804. Phone: (832) 870-2089. Providers update this record themselves, so call before visiting.
How can I verify Olaniyi Fadeyi, MD's license?
NPPES lists California license number A191379, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.