Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karl Lee Womer, M.D.
Nephrology Physician in Denver, CO · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831283126
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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
Phone (303) 778-5797
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 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.
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
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-12.