NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Marilyn Gregory, APN

Women's Health Nurse Practitioner in Conroe, TX · enumerated 2006.

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

National Provider Identifier

1861564072

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mrs. Marilyn Gregory
Credential APN
Sex Female
Practice address 201 Enterprise Row, Suite 12, Conroe, TX, 77301
Phone (936) 760-2784
Fax (936) 760-1950
Enumeration date Nov 14, 2006
Last updated in NPPES Jul 1, 2008

Taxonomy & licenses

363LW0102X Women's Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 224902 (TX) Primary

Other identifiers

Identifier Type State Issuer
111553702 Medicaid TX -
111553701 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 the NPI number for Marilyn Gregory?
The National Provider Identifier (NPI) for Marilyn Gregory is 1861564072, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marilyn Gregory practice?
The practice location on file with NPPES is in Conroe, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-01.