Nathaniel Sagun Bautista, M.D.
Occupational Medicine Physician · Lancaster, CA
Nathaniel Sagun Bautista, M.D. is an occupational medicine physician with a practice address in Lancaster, California, and NPI 1538270822, issued on Aug 31, 2006. Check the license (California A49430, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nathaniel Sagun Bautista
- Credential
- M.D.
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License number
- A49430 CA
Self-reported in NPPES; status is on the state search - Practice location
- 43839 15TH St W, Lancaster, CA 93534
- Phone
- (661) 945-5984
- Enumerated
- Aug 31, 2006
- Record last updated
- Sep 10, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (661) 951-3260
- Medicaid ID
- 00A494300 CA
- Entity
- Type 1 · individual
Also registered at 43839 15TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dennis Anderson, LCSWClinical Social Worker1992336044
- Manuel Arroyo, M.D.Family Medicine Physician1508860412
- Edgardo Barcelona, M.D.Surgery Physician1013028315
- Darbi CameronPharmacist1477854917
- Thomas Carlton, M.D.Psychiatry Physician1912079518
- Daphany Connor, NURSE PRACTITIONERFamily Nurse Practitioner1942992532
Verify Nathaniel Sagun Bautista in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A49430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Occupational Medicine Physician providers in California
There are 415 occupational medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other occupational medicine physician records in California
- Jean Abbe, M.D.San Francisco, CA1316163231
- Belayneh Abejie, MDFresno, CA1831210756
- Rajy Abulhosn, M.D.San Diego, CA1396753703
- Aboaba Afilaka, M.D.Hilmar, CA1184603706
- Taha Ahmad, MDPanorama City, CA1629126669
- Michael Ajao, M.D.San Diego, CA1871798207
- Zaid Al-Faham, M.D., MPHRiverside, CA1871858910
- A. Al-Pachachi, M.D.Vernon, CA1689786790
- Patricia Alexander, O.T.R./LPaso Robles, CA1083612113
- Nima Alipour, D.O.Hawthorne, CA1639300106
Common questions
What is Nathaniel Sagun Bautista, M.D.'s NPI number?
Nathaniel Sagun Bautista, M.D.'s National Provider Identifier (NPI) is 1538270822, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Sagun Bautista, M.D. located?
The NPPES record lists a practice address at 43839 15TH St W, Lancaster, CA, 93534. Phone: (661) 945-5984. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Sagun Bautista, M.D.'s license?
NPPES lists California license number A49430, 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. 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.