Karl James Schlegel, D.O.
Internal Medicine Physician · Denver, CO
Karl James Schlegel, D.O. is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1891847612, issued on Jan 18, 2007. Check the license (Colorado 27741, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Karl James Schlegel
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 27741 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2130 Stout Street, Denver, CO 80205
- Phone
- (303) 312-9518
- Enumerated
- Jan 18, 2007
- Record last updated
- Sep 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (303) 293-3977
- Medicaid ID
- 01277417 CO
- Entity
- Type 1 · individual
Also registered at 2130 Stout Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Indya ClarkClinical Social Worker1972005460
- April ElmquistNurse Practitioner1346767803
- Mary Frank, M.D.Family Medicine Physician1033360177
- Letetia Mobley, NPFamily Nurse Practitioner1215109343
- Renee Shykind, PNPPediatric Nurse Practitioner1417170903
Verify Karl James Schlegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 27741Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
493 internal medicine physician records list a practice address in Denver
They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 493 in Denver → All 2,046 in Colorado → Every provider in Denver →
Other internal medicine physician records in Colorado
- Emily Aaron, MDDenver, CO1205256971
- David Abbey, MS MDFort Collins, CO1568483196
- Tyler Abbey, DOGreeley, CO1730572694
- Sahar Abdelqader, MDLongmont, CO1366600710
- Ahmed Abdulrahman, MDPueblo, CO1093425068
- Durant Abernethy, M.D.Frisco, CO1427289040
- Alan Aboaf, MDCentennial, CO1003866393
- Adam Abraham, MDAurora, CO1720178304
- Phebe Abraham, MDGreeley, CO1558980540
- Richard Abrams, M.D.Denver, CO1174645386
Common questions
What is Karl James Schlegel, D.O.'s NPI number?
Karl James Schlegel, D.O.'s National Provider Identifier (NPI) is 1891847612, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karl James Schlegel, D.O. located?
The NPPES record lists a practice address at 2130 Stout Street, Denver, CO, 80205. Phone: (303) 312-9518. Providers update this record themselves, so call before visiting.
How can I verify Karl James Schlegel, D.O.'s license?
NPPES lists Colorado license number 27741, 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.
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.