NPPES file of Aug 9, 2026

Stephen Chukwuma Ezeji-Okoye, M.D.

Internal Medicine Physician · Palo Alto, CA

Stephen Chukwuma Ezeji-Okoye, M.D. is an internal medicine physician with a practice address in Palo Alto, California, and NPI 1366493595, issued on May 12, 2006. Check the license (California A049687, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366493595
Name
Stephen Chukwuma Ezeji-Okoye
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A049687 CA
Self-reported in NPPES; status is on the state search
Practice location
3801 Miranda Ave, Palo Alto, CA 94304
Phone
(650) 493-5000
Enumerated
May 12, 2006
Record last updated
Jul 13, 2026
Fax
(650) 852-3228
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3801 Miranda Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Abadi, DPMFoot & Ankle Surgery Podiatrist1922729383
  2. Nidhu Abraham, PHARM.D., BCPSPharmacotherapy Pharmacist1023543717
  3. Simon Abramson, MDDiagnostic Radiology Physician1609106137
  4. Christelle Jade AbrenicaInfusion Therapy Registered Nurse1770470411
  5. Laurie Ackerman, LCSWClinical Social Worker1699797001
  6. Russell Acob, RNRegistered Nurse1235757154

Verify Stephen Chukwuma Ezeji-Okoye in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A049687
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Stephen Chukwuma Ezeji-Okoye among 17,696 internal medicine physician records in California

Stephen Chukwuma Ezeji-Okoye, M.D. 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 not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2026 · 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).

187 internal medicine physician records list a practice address in Palo Alto

They are 187 of the 7,617 NPPES records with a practice address in Palo Alto, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Arlina Ahluwalia, MDPalo Alto, CA 943041295723559
  2. Bankole Asebiomo, MDPalo Alto, CA 943041841301884
  3. Lisa Backus, MD PHDPalo Alto, CA 943041033152285
  4. Mina Charon, MDPalo Alto, CA 943041558349266
  5. Susan Frayne, MD, MPHPalo Alto, CA 943041952314890
  6. James Hallenbeck, MDPalo Alto, CA 943041316982358
  7. Rhonda Hamilton, M.D.Palo Alto, CA 943041225063241
  8. Samina Iqbal, M.D.Palo Alto, CA 943041689697112

Common questions

What is Stephen Chukwuma Ezeji-Okoye, M.D.'s NPI number?

Stephen Chukwuma Ezeji-Okoye, M.D.'s National Provider Identifier (NPI) is 1366493595, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Chukwuma Ezeji-Okoye, M.D. located?

The NPPES record lists a practice address at 3801 Miranda Ave, Palo Alto, CA, 94304. Phone: (650) 493-5000. Providers update this record themselves, so call before visiting.

How can I verify Stephen Chukwuma Ezeji-Okoye, M.D.'s license?

NPPES lists California license number A049687, 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. 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.