NPPES file of Aug 9, 2026

James C. Karn, M.D.

Anesthesiology Physician · Pueblo, CO

James C. Karn, M.D. is an anesthesiology physician with a practice address in Pueblo, Colorado, and NPI 1023116316, issued on Sep 20, 2006. Check the license (Colorado 26023, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023116316
Name
James C. Karn
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
26023 CO
Self-reported in NPPES; status is on the state search
Practice location
916 Indiana Ave, Pueblo, CO 81004
Phone
(719) 296-5841
Enumerated
Sep 20, 2006
Record last updated
Mar 7, 2023
Fax
(719) 542-0746
Medicaid ID
01260231 CO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest anesthesiology physician records → All 1,202 in Colorado → Look up another NPI →

Also registered at 916 Indiana Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brian Bell, M.D.Anesthesiology Physician1467543207
  2. Sarah Felt, DOFamily Medicine Physician1396733457
  3. John Highfill, M.D.Family Medicine Physician1356346548
  4. James Salvatore, M.D.Anesthesiology Physician1184723686
  5. Christopher Vialpando, M.D.Family Medicine Physician1306007521

Verify James C. Karn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 26023    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

James C. Karn among 1,202 anesthesiology physician records in Colorado

James C. Karn, M.D. is one of 1,202 anesthesiology physician records with a practice address in Colorado. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 54% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Colorado

There are 1,202 anesthesiology physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,202 in Colorado → Every provider in Pueblo → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Brian Bell, M.D.Pueblo, CO 810041467543207
  2. Eric Bernauer, MDPueblo, CO 810041053370429
  3. Samuel Duhon, MDPueblo, CO 810041558378042
  4. Pablo-Moises Garcia-Perez, CRNAPueblo, CO 810041548265119
  5. Michael Hanson, MDPueblo, CO 810041437166923
  6. Gregory Larsen, MDPueblo, CO 810041366447922
  7. Katharine Macaulay, CRNAPueblo, CO 810041215932868
  8. James Salvatore, M.D.Pueblo, CO 810041184723686

Common questions

What is James C. Karn, M.D.'s NPI number?

James C. Karn, M.D.'s National Provider Identifier (NPI) is 1023116316, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James C. Karn, M.D. located?

The NPPES record lists a practice address at 916 Indiana Ave, Pueblo, CO, 81004. Phone: (719) 296-5841. Providers update this record themselves, so call before visiting.

How can I verify James C. Karn, M.D.'s license?

NPPES lists Colorado license number 26023, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.