NPPES file of Aug 9, 2026

John R. Owens, M.D

Obstetrics & Gynecology Physician · Bakersfield, CA

John R. Owens, M.D is an obstetrics & gynecology physician with a practice address in Bakersfield, California, and NPI 1083665467, issued on May 12, 2006. Check the license (California G313450, 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
1083665467
Name
John R. Owens
Credential
M.D
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G313450 CA
Self-reported in NPPES; status is on the state search
Practice location
4000 Physicians Blvd, Bakersfield, CA 93301
Phone
(661) 327-3821
Enumerated
May 12, 2006
Record last updated
Jul 27, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(661) 327-2061
Medicaid ID
00G313450 CA
Medicare enrollment
Enrolled (PECOS I20120412000641); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1974
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 4000 Physicians Blvd

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

  1. Hiroki Ito, M.D.Cardiovascular Disease Physician1073777579
  2. Sarabjit Singh, MDCardiovascular Disease Physician1134195647
  3. Christopher Smale, M.D.Obstetrics & Gynecology Physician1104936129

Verify John R. Owens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G313450
    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

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2.3 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

383 Medicare Part D claims for 138 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. John Owens383
  2. Specialty average165

Most prescribed

  1. Estradiol206 claims
  2. Yuvafem21 claims
  3. Nitrofurantoin Mono-Macro18 claims
  4. Clobetasol Propionate12 claims
  5. Azithromycin11 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: $84.15

4 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Owens$84.15
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

John R. Owens among 5,088 obstetrics & gynecology physician records in California

John R. Owens, M.D is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1974 · median 2004 among the 2,700 with a school on file
  • Record last updated2017 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Kurt Finberg, M.D.Bakersfield, CA 933011235173972
  2. Deng Fong, M.D.Bakersfield, CA 933011346264744
  3. Antonio Garcia, M.D.Bakersfield, CA 933011346261906
  4. Umaima Jamaluddin, M.DBakersfield, CA 933011609827039
  5. Miguel Lascano, M.D.Bakersfield, CA 933011114947611
  6. Elva Lopez, M.D.Bakersfield, CA 933011871503706
  7. Armi Mazzeo, M.D.Bakersfield, CA 933011437162856
  8. Philipp Melendez, M.D.Bakersfield, CA 933011730162652

Common questions

What is John R. Owens, M.D's NPI number?

John R. Owens, M.D's National Provider Identifier (NPI) is 1083665467, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John R. Owens, M.D located?

The NPPES record lists a practice address at 4000 Physicians Blvd, Bakersfield, CA, 93301. Phone: (661) 327-3821. Providers update this record themselves, so call before visiting.

How can I verify John R. Owens, M.D's license?

NPPES lists California license number G313450, 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 John R. Owens, M.D prescribe under Medicare Part D?

In 2024, John R. Owens, M.D had 383 Medicare Part D claims for 138 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.