1. Home
  2. Directory
  3. California
  4. Lancaster
  5. Hospitalist
  6. NPI Profile

DR. MICHAEL THOMAS GUTHRIE M.D.
NPI 1598875585
Hospitalist in Lancaster, CA

Active since August 30, 2006
43839 15TH ST W, LANCASTER, CA 93534(661) 945-5984(661) 723-6446 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Michael Thomas Guthrie M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL THOMAS GUTHRIE M.D. (NPI 1598875585) is an individual hospitalist provider in Lancaster, California, licensed in California (A51655) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1598875585
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. MICHAEL THOMAS GUTHRIECredential: M.D.
Location Address43839 15TH ST WLancaster, CA 93534-4756
Mailing Address1348 Las Canoas RdPacific Palisades, CA 90272-2426 · (310) 230-0174
Phone(661) 945-5984
Fax(661) 723-6446
Sole ProprietorNo
Enumeration DateAugust 30, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1598875585 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A51655
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License A51655 (CA)
43839 15TH ST W, Lancaster, CA 93534
Open in Google Maps ↗

Other Identifiers 1

Medicaid00A516550CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. EDGARDO SANTOS BARCELONA M.D.
Surgery
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 945-5984
MR. JAMES MILTON LCSW
Social Worker (Clinical)
43839 15TH ST W, HIGH DESERT MEDICAL GROUP
LANCASTER, CA 93534
Los Angeles County (661) 945-5984
DR. YON YARN D.O.
Internal Medicine
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 951-3009
NANCY LE
Pharmacist
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 942-0607
DR. QANWARPARTAP S SIDHU MD
Dermatology
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 945-5984
MS. CAROL LUISA GRANT-DOUGHERTY P.A.
Physician Assistant
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 945-5984
DR. VINCENT A.K. HO M.D.
Internal Medicine (Geriatric Medicine)
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 945-5984
DR. SAMI A NAFOOSI MD
Internal Medicine
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 945-5984

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Guthrie's NPI number?

The NPI number for Michael Guthrie is 1598875585. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Michael Guthrie located?

Michael Guthrie practices at 43839 15th St W, Lancaster, CA 93534. The listed phone number is (661) 945-5984.

What is Michael Guthrie's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

When was this NPI record last updated?

The NPPES record for Michael Guthrie was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.