Nkechi Stephanie-Ashley Okoro, MD
Psychiatry Physician · Stanford, CA
Nkechi Stephanie-Ashley Okoro, MD is a psychiatry physician with a practice address in Stanford, California, and NPI 1144857178, issued on Mar 27, 2020. Check the license (California A197032, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nkechi Stephanie-Ashley Okoro
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A197032 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Mar 27, 2020
- Record last updated
- Apr 16, 2026
- Medicare enrollment
- Enrolled (PECOS I20251125002309); may accept Medicare assignment
- Medical or professional school
- New York Medical College, 2020
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nkechi Stephanie-Ashley Okoro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A197032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatry physician in 2024
69 Medicare Part D claims for 15 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Bupropion Xl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $129.93
1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Nkechi Stephanie-Ashley Okoro among 8,673 psychiatry physician records in California
Nkechi Stephanie-Ashley Okoro, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2020 · median 2005 among the 3,295 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
116 psychiatry physician records list a practice address in Stanford
They are 116 of the 5,606 NPPES records with a practice address in Stanford, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Stanford → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Bibi Das, MDStanford, CA 943051528012374
- Sidney Edsall, MDPalo Alto, CA 943051588626469
- Douglas Levinson, M.D.Stanford, CA 943051104830207
- Alan Louie, M.D.Stanford, CA 943051881616340
- Elizabeth Mahler, MDStanford, CA 943051033216999
- Douglas Noordsy, MDStanford, CA 943051336236330
- Terry Osback, MDStanford, CA 943051356446827
- Jennifer Pien-Wong, MDStanford, CA 943051699702456
Common questions
What is Nkechi Stephanie-Ashley Okoro, MD's NPI number?
Nkechi Stephanie-Ashley Okoro, MD's National Provider Identifier (NPI) is 1144857178, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Nkechi Stephanie-Ashley Okoro, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Nkechi Stephanie-Ashley Okoro, MD's license?
NPPES lists California license number A197032, 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.
How much does Nkechi Stephanie-Ashley Okoro, MD prescribe under Medicare Part D?
In 2024, Nkechi Stephanie-Ashley Okoro, MD had 69 Medicare Part D claims for 15 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
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.