Joseph Lawrence Hayes, D.O.
Internal Medicine Physician · Bakersfield, CA
Joseph Lawrence Hayes, D.O. is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1083681498, issued on Mar 3, 2006. Check the license (California 20A16344, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Lawrence Hayes
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A16344 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4900 California Ave Ste 400B, Bakersfield, CA 93309
- Phone
- (661) 459-1900
- Enumerated
- Mar 3, 2006
- Record last updated
- Nov 7, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (661) 459-1944
- Medicaid ID
- 01041152 NY
- Medicare enrollment
- Enrolled (PECOS I20180820003380); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 1983
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4900 California Ave Ste 400B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Roshonda Cureton, LMFTMarriage & Family Therapist1104958248
- John DowPharmacist1255830931
Verify Joseph Lawrence Hayes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A16344Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Omni Family HealthBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Lawrence Hayes among 17,696 internal medicine physician records in California
Joseph Lawrence Hayes, D.O. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1983 · median 2004 among the 11,065 with a school on file
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
214 internal medicine physician records list a practice address in Bakersfield
They are 214 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Bakersfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Carlos Alvarez, MDBakersfield, CA 933091891805610
- Kusum Desai, MDBakersfield, CA 933091962444570
- Russell Enoch, D.O.Bakersfield, CA 933091811009525
- Thin Han, M.D.Bakersfield, CA 933091356319826
- Rusong Huang, MDBakersfield, CA 933091598767949
- Ju Hwan Lee, MDBakersfield, CA 933091619969847
- Mark Lin, MDBakersfield, CA 933091528050754
- David Nilsson, PA CBakersfield, CA 933091841227162
Common questions
What is Joseph Lawrence Hayes, D.O.'s NPI number?
Joseph Lawrence Hayes, D.O.'s National Provider Identifier (NPI) is 1083681498, issued on Mar 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Lawrence Hayes, D.O. located?
The NPPES record lists a practice address at 4900 California Ave Ste 400B, Bakersfield, CA, 93309. Phone: (661) 459-1900. Providers update this record themselves, so call before visiting.
How can I verify Joseph Lawrence Hayes, D.O.'s license?
NPPES lists California license number 20A16344, 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.
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.