NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michael John Lamanteer, MD

Hospitalist Physician in Amarillo, TX · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1023047966

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Michael John Lamanteer
Credential MD
Sex Male
Practice address 1600 Wallace Blvd, Amarillo, TX, 79106
Fax (806) 212-2246
Enumeration date Jul 2, 2006
Last updated in NPPES May 1, 2019

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License N1723 (TX) Secondary
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License N1723 (TX) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
205310002 Medicaid TX -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Michael Lamanteer?
The National Provider Identifier (NPI) for Michael Lamanteer is 1023047966, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Lamanteer practice?
The practice location on file with NPPES is in Amarillo, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-05-01.