Jeffrey Chen, D.O.
Internal Medicine Physician · Bakersfield, CA
Jeffrey Chen, D.O. is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1952749186, issued on Jun 10, 2013. Check the license (California 20A14692, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Chen
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A14692 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4580 California Ave, Bakersfield, CA 93309
- Phone
- (661) 327-4411
- Enumerated
- Jun 10, 2013
- Entity
- Type 1 · individual
Also registered at 4580 California Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ali Banihashemi, M.D.Ophthalmology Physician1891803326
- Lisa Banks, D.P.M.Podiatrist1992945885
- Jason Barca, PHARMDAmbulatory Care Pharmacist1558838078
- Rodney Beaty, PA-CPhysician Assistant1497747596
- Suzanne Bryan, PA-CPhysician Assistant1780686139
- Maung Chit Khaing, MDInternal Medicine Physician1821148628
Verify Jeffrey Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A14692Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
472 Medicare Part D claims for 192 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Cefuroxime72 claims
- Pantoprazole Sodium24 claims
- Atorvastatin Calcium20 claims
- Azithromycin19 claims
- Furosemide17 claims
- Clopidogrel16 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.
230 internal medicine physician records list a Bakersfield practice address
They are 230 of the 11,539 NPPES records with a Bakersfield practice address, and 20,403 internal medicine physician records in California.
All 230 in Bakersfield → All 20,403 in California → Every provider in Bakersfield →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Jeffrey Chen, D.O.'s NPI number?
Jeffrey Chen, D.O.'s National Provider Identifier (NPI) is 1952749186, issued on Jun 10, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Chen, D.O. located?
The NPPES record lists a practice address at 4580 California Ave, Bakersfield, CA, 93309. Phone: (661) 327-4411. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Chen, D.O.'s license?
NPPES lists California license number 20A14692, 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 Jeffrey Chen, D.O. prescribe under Medicare Part D?
In 2024, Jeffrey Chen, D.O. had 472 Medicare Part D claims for 192 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.