NPPES file of Aug 9, 2026

Tracey Amanda O'Shea, FNP

Family Nurse Practitioner · Berkeley, CA

Tracey Amanda O'Shea, FNP is a family nurse practitioner with a practice address in Berkeley, California, and NPI 1508201443, issued on May 6, 2013. Check the license (California 23204, as entered in NPPES) 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
1508201443
Name
Tracey Amanda O'Shea
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
23204 CA
797669 CA
Self-reported in NPPES; status is on the state search
Practice location
2414 Ashby Ave Ste 201, Berkeley, CA 94705
Phone
(510) 849-6500
Enumerated
May 6, 2013
Record last updated
Jul 21, 2022
Fax
(510) 849-6500
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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Verify Tracey Amanda O'Shea in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 23204
    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
Find the California license search

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86% fewer Medicare Part D claims than the average family nurse practitioner in 2024

180 Medicare Part D claims for 15 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Tracey O'Shea180
  2. Specialty average1,305

Most prescribed

  1. Estradiol (Twice Weekly)30 claims
  2. Progesterone26 claims
  3. Levothyroxine Sodium16 claims
  4. Nystatin15 claims
  5. Liothyronine Sodium14 claims
  6. Np Thyroid11 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.

Tracey Amanda O'Shea among 16,966 family nurse practitioner records in California

Tracey Amanda O'Shea, FNP is one of 16,966 family nurse practitioner 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 2013, is newer than 24% of them.

  • NPI issued2013 · 24% of these records are older, 73% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2022 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

76 family nurse practitioner records list a practice address in Berkeley

They are 76 of the 4,898 NPPES records with a practice address in Berkeley, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Akosua Appea, FNPBerkeley, CA 947051669214367
  2. Niccole Blanchet, NPBerkeley, CA 947051174996839
  3. Kelley Booth, NPBerkeley, CA 947051053830851
  4. Katy GutmanBerkeley, CA 947051477241156
  5. Erin Herman, NPBerkeley, CA 947051255753158
  6. Alice Mak, NPBerkeley, CA 947051275063323
  7. Helen Mwanza, NPBerkeley, CA 947051538635966
  8. Moe Myat, FNPBerkeley, CA 947051770238438

Common questions

What is Tracey Amanda O'Shea, FNP's NPI number?

Tracey Amanda O'Shea, FNP's National Provider Identifier (NPI) is 1508201443, issued on May 6, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Tracey Amanda O'Shea, FNP located?

The NPPES record lists a practice address at 2414 Ashby Ave Ste 201, Berkeley, CA, 94705. Phone: (510) 849-6500. Providers update this record themselves, so call before visiting.

How can I verify Tracey Amanda O'Shea, FNP's license?

NPPES lists California license number 23204, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Tracey Amanda O'Shea, FNP prescribe under Medicare Part D?

In 2024, Tracey Amanda O'Shea, FNP had 180 Medicare Part D claims for 15 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.