NPPES file of Aug 9, 2026

Michael Thomas Guthrie, M.D.

Hospitalist Physician · Lancaster, CA

Michael Thomas Guthrie, M.D. is a hospitalist physician with a practice address in Lancaster, California, and NPI 1598875585, issued on Aug 30, 2006. Check the license (California A51655, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598875585
Name
Michael Thomas Guthrie
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
A51655 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 30, 2006
Record last updated
Sep 11, 2025
Fax
(661) 723-6446
Medicaid ID
00A516550 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →

Also registered at 43839 15TH St W

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

  1. Dennis Anderson, LCSWClinical Social Worker1992336044
  2. Manuel Arroyo, M.D.Family Medicine Physician1508860412
  3. Edgardo Barcelona, M.D.Surgery Physician1013028315
  4. Nathaniel Bautista, M.D.Occupational Medicine Physician1538270822
  5. Darbi CameronPharmacist1477854917
  6. Thomas Carlton, M.D.Psychiatry Physician1912079518

Verify Michael Thomas Guthrie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A51655    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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Michael Thomas Guthrie among 3,099 hospitalist physician records in California

Michael Thomas Guthrie, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 73% newer
  • In a Medicare fileNo · 90% of these records are
  • In the CMS Doctors and Clinicians fileNo · 81% of these records are
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,099 in California → Every provider in Lancaster → Hospitalist Physician nationwide →

The 8 hospitalist physician records with the nearest ZIP codes

  1. Pye AungLancaster, CA 935341063894814
  2. Elias Ballat, D.O.Lancaster, CA 935341265882336
  3. Melanie Dawes, M.D.Lancaster, CA 935341861488249
  4. Davy Figueroa, M.D.Lancaster, CA 935341780794735
  5. Jennifer Michael, MD MPHLancaster, CA 935341366612749
  6. Luis Tan, M.D.Lancaster, CA 935341295823854
  7. Brian Berookhim, MDPalmdale, CA 935511659957736
  8. Devanshu Thakore, MDRidgecrest, CA 935551962476960

Common questions

What is Michael Thomas Guthrie, M.D.'s NPI number?

Michael Thomas Guthrie, M.D.'s National Provider Identifier (NPI) is 1598875585, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Thomas Guthrie, 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 Michael Thomas Guthrie, M.D.'s license?

NPPES lists California license number A51655, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.