NPPES file of Aug 9, 2026

Esther C. Okoro, PHARMD.

Ambulatory Care Pharmacist · Richmond, CA

Esther C. Okoro, PHARMD. is an ambulatory care pharmacist with a practice address in Richmond, California, and NPI 1275057796, issued on Jul 26, 2017. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275057796
Name
Esther C. Okoro
Credential
PHARMD.
Primary taxonomy
Ambulatory Care Pharmacist 1835P2201X
License number
60059 TX
Self-reported in NPPES; status is on the state search
Practice location
901 Nevin Ave, Richmond, CA 94801
Phone
(510) 307-1683
Enumerated
Jul 26, 2017
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
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 901 Nevin Ave

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

  1. Susana Acevedo, MDPediatrics Physician1801971569
  2. Mankaah AchoPediatrics Physician1225779721
  3. Mary Ackerman, NPAdult Health Nurse Practitioner1154406155
  4. Kian AdabiNeurology Physician1528626710
  5. Samina Agha, MDHospitalist Physician1548345200
  6. Jessica Alfonso, RRTRegistered Respiratory Therapist1295507598

Verify Esther C. Okoro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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67% more Medicare Part D claims than the average ambulatory care pharmacist in 2024

878 Medicare Part D claims for 497 beneficiaries, against an average of 527 among the 449 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Esther Okoro878
  2. Specialty average527

Most prescribed

  1. Atorvastatin Calcium127 claims
  2. Metformin Hcl86 claims
  3. Losartan Potassium71 claims
  4. Lisinopril63 claims
  5. Metformin Hcl Er62 claims
  6. Amlodipine Besylate50 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.

Esther C. Okoro among 485 ambulatory care pharmacist records in California

Esther C. Okoro, PHARMD. is one of 485 ambulatory care pharmacist records with a practice address in California. 39% 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 33% of them.

  • NPI issued2017 · 33% of these records are older, 58% newer
  • In a Medicare fileYes · 39% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2021 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P2201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ambulatory Care Pharmacist providers in California

There are 485 ambulatory care pharmacist records in California.

The 8 ambulatory care pharmacist records with the nearest ZIP codes

  1. Sharon Cheung, PHARMDRichmond, CA 948011992405096
  2. Gina Ko, PHARMDRichmond, CA 948011740980531
  3. Peace DuruRichmond, CA 948051639892334
  4. Omar Ahmed, PHARMDSan Rafael, CA 949031285254037
  5. Yeonbi Aylward, PHARMDSan Rafael, CA 949031669822771
  6. Ali AzarpiraSan Rafael, CA 949031568828390
  7. Michelle Castillones, PHARMDSan Rafael, CA 949031922457191
  8. Jenny ChenSan Rafael, CA 949031003652173

Common questions

What is Esther C. Okoro, PHARMD.'s NPI number?

Esther C. Okoro, PHARMD.'s National Provider Identifier (NPI) is 1275057796, issued on Jul 26, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Esther C. Okoro, PHARMD. located?

The NPPES record lists a practice address at 901 Nevin Ave, Richmond, CA, 94801. Phone: (510) 307-1683. Providers update this record themselves, so call before visiting.

How can I verify Esther C. Okoro, PHARMD.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Esther C. Okoro, PHARMD. prescribe under Medicare Part D?

In 2024, Esther C. Okoro, PHARMD. had 878 Medicare Part D claims for 497 beneficiaries; the average among ambulatory care pharmacist prescribers was 527. 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.