Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Marston Shaun Holt, M.D.

Orthopaedic Surgery Physician in Houston, TX · enumerated 2005 · practices at Marston Shaun Holt MD PA.

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

National Provider Identifier

1275533457

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Registry record

Entity type Individual (Type 1)

Name Marston Shaun Holt

Credential M.D.

Sex Male

Practice address Houston, TX, 77058

Phone (281) 335-1111

Fax (281) 286-9250

Enumeration date Jul 28, 2005

Last updated in NPPES Sep 28, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License L9738 (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
TXB123623	Other	TX	MEDICARE PTAN

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

Is NPI 1275533457 active?

Yes, as of the latest NPPES snapshot, NPI 1275533457 is active (record last updated 2016-09-28).

How do I verify Marston Holt's NPI record?

Cross-check NPI 1275533457 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-09-28.