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

Mrs. Chamaiporn V. Geis, NP, MSN

Family Nurse Practitioner in Sugarland, TX · enumerated 2006.

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

National Provider Identifier

1689692618

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Registry record

Entity type Individual (Type 1)

Name Mrs. Chamaiporn V. Geis

Credential NP, MSN

Sex Female

Practice address Sugarland, TX, 77479

Phone (281) 325-0311

Fax (281) 325-0312

Enumeration date Jul 17, 2006

Last updated in NPPES Nov 7, 2016

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

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 602290 (TX) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 602290 (TX) Primary

363LG0600X Gerontology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 602290 (TX) Secondary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
8Y3603 BCBSTX	Other	TX	BCBSTX

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 Chamaiporn Geis?

The National Provider Identifier (NPI) for Chamaiporn Geis is 1689692618, a Type 1 (individual) record in the CMS NPPES registry.

Where does Chamaiporn Geis practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-11-07.