NPPES file of Aug 9, 2026

James Obrien, MD

Family Medicine Physician · Bakersfield, CA

James Obrien, MD is a family medicine physician with a practice address in Bakersfield, California, and NPI 1750494175, issued on Aug 17, 2006. Check the license (California A87526, as entered in NPPES) on the Medical Board of California; 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
1750494175
Name
James Obrien
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A87526 CA
Self-reported in NPPES; status is on the state search
Practice location
606 34TH St, Bakersfield, CA 93301
Phone
(661) 322-8611
Enumerated
Aug 17, 2006
Record last updated
Feb 4, 2022
Fax
(661) 322-8008
Medicare enrollment
Enrolled (PECOS I20111109000396); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2001
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 606 34TH St

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

  1. Fakhruddin Hasta, M.D.Internal Medicine Physician1316974694
  2. Julieta Tovmasyan, FNP-CFamily Medicine Physician1235959560

Verify James Obrien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A87526
    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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2.8 times the Medicare Part D claims of the average family medicine physician in 2024

9,871 Medicare Part D claims for 1,150 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 807 claims were for opioids.

  1. James Obrien9,871
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium798 claims
  2. Lisinopril424 claims
  3. Losartan Potassium365 claims
  4. Hydrocodone-Acetaminophen324 claims
  5. Rosuvastatin Calcium305 claims
  6. Amlodipine Besylate288 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.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The NorthwestClackamas, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Obrien among 17,133 family medicine physician records in California

James Obrien, MD 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2001 · median 2005 among the 10,652 with a school on file
  • Record last updated2022 · 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).

209 family medicine physician records list a practice address in Bakersfield

They are 209 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Suresh Advani, MD, MPHBakersfield, CA 933011083714828
  2. Shweta Agarwal, MDBakersfield, CA 933011336247592
  3. Frank Chang, MDBakersfield, CA 933011295786606
  4. Tauseef Haider, MDBakersfield, CA 933011194803312
  5. James Im, MDBakersfield, CA 933011386732253
  6. Mackdell Long, MDBakersfield, CA 933011508875816
  7. Stephen Newbrough, MDBakersfield, CA 933011265404172
  8. Young Park, MDBakersfield, CA 933011245312958

Common questions

What is James Obrien, MD's NPI number?

James Obrien, MD's National Provider Identifier (NPI) is 1750494175, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Obrien, MD located?

The NPPES record lists a practice address at 606 34TH St, Bakersfield, CA, 93301. Phone: (661) 322-8611. Providers update this record themselves, so call before visiting.

How can I verify James Obrien, MD's license?

NPPES lists California license number A87526, 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 James Obrien, MD prescribe under Medicare Part D?

In 2024, James Obrien, MD had 9,871 Medicare Part D claims for 1,150 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.