Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Timothy Christian Sitter, MD

Sports Medicine (Orthopaedic Surgery) Physician in Sugar Land, TX · enumerated 2005.

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

National Provider Identifier

1104813252

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Registry record

Entity type Individual (Type 1)

Name Timothy Christian Sitter

Credential MD

Sex Male

Practice address 16811 Southwest Fwy, Sugar Land, TX, 77479

Phone (281) 690-4678

Fax (281) 565-8808

Enumeration date Oct 4, 2005

Last updated in NPPES Jun 10, 2019

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License H4706 (TX) Secondary

207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Allopathic & Osteopathic Physicians · License H4706 (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
610119705	Other	TX	US DEPT OF LABOR
8BP172	Other	TX	BLUE CROSS BLUE SHIELD
P01055724	Other	TX	RR MEDICARE
129239311	Medicaid	TX	-
129239308	Medicaid	TX	-
P00734625	Other	TX	RAILROAD MEDICARE
129239307	Medicaid	TX	-
129239309	Medicaid	TX	-
129239306	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.

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Frequently asked questions

What is the NPI number for Timothy Sitter?

The National Provider Identifier (NPI) for Timothy Sitter is 1104813252, a Type 1 (individual) record in the CMS NPPES registry.

Where does Timothy Sitter practice?

The practice location on file with NPPES is in Sugar Land, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-10.