NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Mark E. Nichols MD PA

Obstetrics & Gynecology Physician in Montgomery, TX · enumerated 2007 · authorized official Mark Nichols, Owner.

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

National Provider Identifier

1891981718

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Mark E. Nichols MD PA
Practice address 18059 Highway 105 W, Suite125, Montgomery, TX, 77356
Enumeration date Sep 25, 2007
Last updated in NPPES Jan 21, 2009

Taxonomy & classification

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License L0457 (TX) Primary

Authorized official

Name Mark Nichols
Title Owner

Other identifiers

Identifier Type State Issuer
0042MP Other - BCBS
174211601 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?
A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.
What type of organization is Mark E. Nichols MD PA?
Mark E. Nichols MD PA is registered in NPPES as a Obstetrics & Gynecology Physician (its primary provider taxonomy).

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-01-21.