Carrie A. Horn
Internal Medicine Physician · Denver, CO
Carrie A. Horn is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1255487872, issued on Jan 26, 2007. Check the license (Colorado 46038, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Carrie A. Horn
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 46038 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Jackson St, Denver, CO 80206
- Phone
- (303) 388-4461
- Enumerated
- Jan 26, 2007
- Record last updated
- Oct 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (303) 398-1211
- Medicaid ID
- 91237751 CO
- Medicare enrollment
- Enrolled (PECOS I20080930000193); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 1400 Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carrie A. Horn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 46038Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
12 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital affiliation
- National Jewish HealthDenver, CO · Acute Care Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Carrie A. Horn among 2,046 internal medicine physician records in Colorado
Carrie A. Horn is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 39% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2005 · median 2006 among the 1,090 with a school on file
- Record last updated2020 · 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 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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.
All 2,046 in Colorado → Every provider in Denver → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brandon Combs, MDDenver, CO 802061699984948
- Franklin Darrow, D.O.Denver, CO 802061952381634
- Julia Kavanagh, MDDenver, CO 802061275611535
- Yoshikazu Morimoto, MD, PHDDenver, CO 802061184795395
- Kenneth Oleszek, MDDenver, CO 802061902878291
- Frances Palmer, MDDenver, CO 802061912937053
- Julia Pierce, MDDenver, CO 802061669468245
- Paula Pook, M.D.Denver, CO 802061710953112
Common questions
What is Carrie A. Horn's NPI number?
Carrie A. Horn's National Provider Identifier (NPI) is 1255487872, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Carrie A. Horn located?
The NPPES record lists a practice address at 1400 Jackson St, Denver, CO, 80206. Phone: (303) 388-4461. Providers update this record themselves, so call before visiting.
How can I verify Carrie A. Horn's license?
NPPES lists Colorado license number 46038, 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.
How much does Carrie A. Horn prescribe under Medicare Part D?
In 2024, Carrie A. Horn had 12 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.