Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas A Blocher, MD

Psychiatry Physician in Houston, TX · enumerated 2006.

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

National Provider Identifier

1548271398

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Registry record

Entity type Individual (Type 1)

Name Thomas A Blocher

Credential MD

Sex Male

Practice address 7011 Southwest Fwy, Houston, TX, 77074

Phone (713) 970-7000

Fax (713) 970-7246

Enumeration date Aug 10, 2006

Last updated in NPPES Jun 14, 2011

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License E4212 (TX) Primary

2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License E4212 (TX) Secondary

2084P0805X Geriatric Psychiatry Physician Allopathic & Osteopathic Physicians · License E4212 (TX) Secondary

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
106089904	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 specialty is Thomas Blocher?

Thomas Blocher is registered in NPPES with the primary taxonomy of Psychiatry Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-14.