NPPES file of Aug 9, 2026

Diana Hornung, MD

Family Medicine Physician · Craig, CO

Diana Hornung, MD is a family medicine physician with a practice address in Craig, Colorado, and NPI 1710963962, issued on Dec 20, 2005. Check the license (Colorado 42145, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710963962
Name
Diana Hornung
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
42145 CO
Self-reported in NPPES; status is on the state search
Practice location
745 Russell St., Craig, CO 81625
Phone
(970) 824-8233
Enumerated
Dec 20, 2005
Record last updated
Jan 4, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(970) 824-2548
Medicaid ID
56434375 CO
Medicare enrollment
Enrolled (PECOS I20051010000596); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 745 Russell St.

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

  1. Suzanne Holm, NPFamily Nurse Practitioner1326089988
  2. Frances Jenkins, PAMedical Physician Assistant1528185022
  3. Amy Knights, RNRegistered Nurse1821494402
  4. Anna Lundeen, MDFamily Medicine Physician1396903274

Verify Diana Hornung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 42145
    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.

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71% fewer Medicare Part D claims than the average family medicine physician in 2024

1,030 Medicare Part D claims for 86 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 15 claims were for opioids.

  1. Diana Hornung1,030
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium57 claims
  2. Lisinopril47 claims
  3. Levothyroxine Sodium40 claims
  4. Losartan Potassium37 claims
  5. Rosuvastatin Calcium32 claims
  6. Amlodipine Besylate31 claims

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.

Bills Medicare through one group practice

  1. Northwest Colorado Visiting Nurse AssociationCraig, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diana Hornung among 3,563 family medicine physician records in Colorado

Diana Hornung, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2002 · median 2008 among the 2,077 with a school on file
  • Record last updated2012 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 family medicine physician records list a practice address in Craig

They are 13 of the 156 NPPES records with a practice address in Craig, and 3,563 family medicine physician records in Colorado.

The 8 family medicine physician records with the nearest ZIP codes

  1. Mary Shannon Becker, M.D.Craig, CO 816251457649808
  2. Julian Carrier, DOCraig, CO 816251023695798
  3. Jillian Hess, MDCraig, CO 816251447838560
  4. Larry Kipe, MDCraig, CO 816251396794046
  5. Anna Lundeen, MDCraig, CO 816251396903274
  6. Netana Machacek, DOCraig, CO 816251659729671
  7. Joel Miller, DOCraig, CO 816251316076821
  8. Jon Ossen, D.O.Craig, CO 816251174537872

Common questions

What is Diana Hornung, MD's NPI number?

Diana Hornung, MD's National Provider Identifier (NPI) is 1710963962, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Diana Hornung, MD located?

The NPPES record lists a practice address at 745 Russell St., Craig, CO, 81625. Phone: (970) 824-8233. Providers update this record themselves, so call before visiting.

How can I verify Diana Hornung, MD's license?

NPPES lists Colorado license number 42145, 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 Diana Hornung, MD prescribe under Medicare Part D?

In 2024, Diana Hornung, MD had 1,030 Medicare Part D claims for 86 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.