Nnenna C. Okoye, MD
Public Health & General Preventive Medicine Physician · San Francisco, CA
Nnenna C. Okoye, MD is a public health & general preventive medicine physician with a practice address in San Francisco, California, and NPI 1508397191, issued on Mar 24, 2017. Check the license (California A159398, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nnenna C. Okoye
- Credential
- MD
- Primary taxonomy
- Public Health & General Preventive Medicine Physician 2083P0901X
- License number
- A159398 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1145 Market St, San Francisco, CA 94103
- Phone
- (415) 877-6495
- Enumerated
- Mar 24, 2017
- Record last updated
- Jul 28, 2026
- Entity
- Type 1 · individual
8 nearest public health & general preventive medicine physician records → All 325 in California → Look up another NPI →
Also registered at 1145 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew SurOther Technician1861325342
Verify Nnenna C. Okoye in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A159398Check 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: $124.55
4 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo Inc. The 181 providers of this specialty with any payment received $3,513.55 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.
Nnenna C. Okoye among 325 public health & general preventive medicine physician records in California
Nnenna C. Okoye, MD is one of 325 public health & general preventive medicine physician records with a practice address in California. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 83% of them.
- NPI issued2017 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 27% of these records are
- In the CMS Doctors and Clinicians fileNo · 13% of these records are
- Record last updated2026 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0901X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Public Health & General Preventive Medicine Physician providers in California
There are 325 public health & general preventive medicine physician records in California.
All 325 in California → Every provider in San Francisco → Public Health & General Preventive Medicine Physician nationwide →
The 8 public health & general preventive medicine physician records with the nearest ZIP codes
- Joseph Engelman, MD, MPHSan Francisco, CA 941031902066566
- Shane McCall, MDSan Francisco, CA 941031760673578
- Joshua Bamberger, MDSan Francisco, CA 941021255468245
- Ann Dallman, MDSan Francisco, CA 941021821146564
- George Han, MD, MPHSan Francisco, CA 941021205243763
- William McFarland, MDSan Francisco, CA 941021679994065
- William Moores, M.D.San Francisco, CA 941021992059042
- Sandra Schwarcz, M.D.San Francisco, CA 941021700208360
Common questions
What is Nnenna C. Okoye, MD's NPI number?
Nnenna C. Okoye, MD's National Provider Identifier (NPI) is 1508397191, issued on Mar 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Nnenna C. Okoye, MD located?
The NPPES record lists a practice address at 1145 Market St, San Francisco, CA, 94103. Phone: (415) 877-6495. Providers update this record themselves, so call before visiting.
How can I verify Nnenna C. Okoye, MD's license?
NPPES lists California license number A159398, 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.