Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kristen Geiger, MD

Pediatrics Physician in Denver, CO · enumerated 2005 · practices at Obstetrix Medical Group of Colorado P C.

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

National Provider Identifier

1730163882

Verified

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Registry record

Entity type Individual (Type 1)

Name Kristen Geiger

Credential MD

Sex Female

Practice address 2055 High Street, Suite 130, Denver, CO, 80205

Phone (303) 861-2263

Fax (303) 861-4741

Enumeration date Dec 2, 2005

Last updated in NPPES Feb 20, 2013

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 34679 (CO) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 34679 (CO) 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
01346790	Medicaid	CO	-
1730163882	Medicaid	WY	-
10025633000	Medicaid	NE	-
200633730A	Medicaid	KS	-

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 Kristen Geiger?

The National Provider Identifier (NPI) for Kristen Geiger is 1730163882, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kristen Geiger practice?

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

Other providers at this practice address

Browse all →

Obstetrix Medical Group of Colorado P C Pediatric Cardiology Physician · Denver, CO NPI 1497779276 Alison Covak Physician Assistant · Denver, CO NPI 1609927672 Helen Janusz Pediatric Nurse Practitioner · Denver, CO NPI 1407976533 Suzanne Yoder Pediatric Surgery Physician · Denver, CO NPI 1083836589 Deborah Gilbert Pediatric Nurse Practitioner · Denver, CO NPI 1982927976 Nicole Cyr Audiologist · Denver, CO NPI 1295175164

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-02-20.