Amanda Kay O'Brien, FNP-BC
Family Medicine Physician · Stockton, CA
Amanda Kay O'Brien, FNP-BC is a family medicine physician with a practice address in Stockton, California, and NPI 1871186544, issued on Feb 14, 2021. Check the license (California 95016618, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Amanda Kay O'Brien
- Credential
- FNP-BC
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 95016618 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2800 N California St, Stockton, CA 95204
- Phone
- (209) 465-5891
- Enumerated
- Feb 14, 2021
- Record last updated
- Feb 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2800 N California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Amanda Kay O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 95016618Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
71 Medicare Part D claims for 25 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Estradiol29 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: $187.35
5 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Amanda Kay O'Brien among 17,133 family medicine physician records in California
Amanda Kay O'Brien, FNP-BC is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
116 family medicine physician records list a practice address in Stockton
They are 116 of the 9,522 NPPES records with a practice address in Stockton, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Stockton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Shiraz Buhari, MDStockton, CA 952041700855418
- Timothy Coats, MDStockton, CA 952041386730737
- Rodney Deguzman, MDStockton, CA 952041730158460
- Marie Pearl Francisco, MDStockton, CA 952041598721003
- Steven Goldman, MDStockton, CA 952041770595274
- Sou Her, DOStockton, CA 952041245498716
- Lin Jiang, MDStockton, CA 952041689752586
- Taymour Malak, M.D.Stockton, CA 952041104931260
Common questions
What is Amanda Kay O'Brien, FNP-BC's NPI number?
Amanda Kay O'Brien, FNP-BC's National Provider Identifier (NPI) is 1871186544, issued on Feb 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Amanda Kay O'Brien, FNP-BC located?
The NPPES record lists a practice address at 2800 N California St, Stockton, CA, 95204. Phone: (209) 465-5891. Providers update this record themselves, so call before visiting.
How can I verify Amanda Kay O'Brien, FNP-BC's license?
NPPES lists California license number 95016618, 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 Amanda Kay O'Brien, FNP-BC prescribe under Medicare Part D?
In 2024, Amanda Kay O'Brien, FNP-BC had 71 Medicare Part D claims for 25 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.