Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Thomas Otto Mayer, MD
Neurology Physician in Sheridan, WY · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104813930
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Registry record
Entity type Individual (Type 1)
Name Dr. Thomas Otto Mayer
Credential MD
Sex Male
Practice address 1050 Mydland Rd, Sheridan, WY, 82801
Phone (307) 673-6300
Fax (307) 673-6303
Enumeration date Oct 6, 2005
Last updated in NPPES Jul 9, 2007
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 |
|---|---|---|---|
| 05696001 | Other | WY | BCBS CLINIC NUMBER |
| 313252 | Other | WY | BCBS INDIVIDUAL |
| 119441100 | Medicaid | WY | - |
| 148019300 | Other | - | FEDERAL WORKERS COMPENSAT |
| 120469600 | Medicaid | WY | - |
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
What is the NPI number for Thomas Mayer?
The National Provider Identifier (NPI) for Thomas Mayer is 1104813930, a Type 1 (individual) record in the CMS NPPES registry.
Where does Thomas Mayer practice?
The practice location on file with NPPES is in Sheridan, WY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Brenton Milner Orthopaedic Surgery Physician · Sheridan, WY NPI 1780644393 Brian Laman Orthopaedic Surgery Physician · Sheridan, WY NPI 1396794152 Cloud Peak Medical, LLC Magnetic Resonance Imaging Radiologic Technologist · Sheridan, WY NPI 1417909045 Sheridan Orthopaedic Associates, P C Orthopaedic Surgery Physician · Sheridan, WY NPI 1740200294 Anthony Quinn Orthopaedic Surgery Physician · Sheridan, WY NPI 1083637920 John Ritterbusch Orthopaedic Surgery Physician · Sheridan, WY NPI 1801819750 James Ferries Orthopaedic Surgery Physician · Sheridan, WY NPI 1407879414 Christopher Smith Orthopaedic Surgery Physician · Sheridan, WY NPI 1699798579
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.