Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John B Sims, M.D.
Specialist in Amarillo, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609818855
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Registry record
Entity type Individual (Type 1)
Name John B Sims
Credential M.D.
Sex Male
Practice address 1100 S Coulter St, Amarillo, TX, 79106
Phone (806) 468-9700
Fax (806) 468-9771
Enumeration date Jun 12, 2006
Last updated in NPPES Mar 7, 2012
Taxonomy & licenses
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 |
|---|---|---|---|
| 089905602 | 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.
Frequently asked questions
Where does John Sims practice?
The practice location on file with NPPES is in Amarillo, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Sims?
The National Provider Identifier (NPI) for John Sims is 1609818855, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-03-07.