NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karl Lee Womer, M.D.

Nephrology Physician in Denver, CO · enumerated 2006 · practices at Porter Adventist Health System.

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

National Provider Identifier

1831283126

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Karl Lee Womer
Credential M.D.
Sex Male
Practice address 2535 S Downing St Ste 380, Denver, CO, 80210
Fax (303) 778-5205
Enumeration date Oct 3, 2006
Last updated in NPPES Jun 12, 2024

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License D65002 (MD) Secondary
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License ME119770 (FL) Secondary
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License MED-PHYS-LIC-87730 (MT) Secondary
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License DR.0062225 (CO) Secondary
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License CDRH.0062225 (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
9000171778 Medicaid CO -
011990100 Medicaid FL -
011163500 Medicaid MD -

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 Karl Womer?
The National Provider Identifier (NPI) for Karl Womer is 1831283126, a Type 1 (individual) record in the CMS NPPES registry.
Where does Karl Womer 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 →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-12.