NPPES file of Aug 9, 2026

Timothy Michael Bresnahan, MD

Internal Medicine Physician · Sterling, CO

Timothy Michael Bresnahan, MD is an internal medicine physician with a practice address in Sterling, Colorado, and NPI 1205860202, issued on Jul 10, 2006. Check the license (Colorado 43658, 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
1205860202
Name
Timothy Michael Bresnahan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
43658 CO
12734 MT
Self-reported in NPPES; status is on the state search
Practice location
615 Fairhurst St, Sterling, CO 80751
Phone
(970) 522-0122
Enumerated
Jul 10, 2006
Record last updated
Mar 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
71330089 CO
Medicare enrollment
Enrolled (PECOS I20091028000781); accepts Medicare assignment
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 615 Fairhurst St

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

  1. Mohit Agarwal, MDRadiation Oncology Physician1609371459
  2. Megan Armstrong-FrankPhysician Assistant1306797881
  3. Jeffrey Bacon, D.O.Family Medicine Physician1255391132
  4. Paige Barco, NPNurse Practitioner1609512672
  5. Eric Becker, PA-CPhysician Assistant1376875138
  6. Cassandra Bresnahan, MDInternal Medicine Physician1922031921

Verify Timothy Michael Bresnahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 43658
    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

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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

210 Medicare Part D claims for 108 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Timothy Bresnahan210
  2. Specialty average3,176

Most prescribed

  1. Boostrix Tdap17 claims
  2. Cefdinir11 claims
  3. Metoprolol Succinate11 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. Red Mountain Internal MedicineSterling, CO

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

Timothy Michael Bresnahan among 2,046 internal medicine physician records in Colorado

Timothy Michael Bresnahan, MD 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2003 · median 2006 among the 1,090 with a school on file
  • Record last updated2021 · 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).

6 internal medicine physician records list a practice address in Sterling

They are 6 of the 313 NPPES records with a practice address in Sterling, and 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Cassandra Bresnahan, MDSterling, CO 807511922031921
  2. Richard Lamb, M.D.Sterling, CO 807511932105186
  3. Daniel Lambrecht, M.D.Sterling, CO 807511083032817
  4. James Miller, MDSterling, CO 807511033113733
  5. Thomas Soper, D.O.Sterling, CO 807511689643900
  6. Stephen Godar, MDFort Morgan, CO 807011992719876
  7. Anita Bloor, M.D.Limon, CO 808261346316130
  8. Kay Redman, MDLimon, CO 808281154321818

Common questions

What is Timothy Michael Bresnahan, MD's NPI number?

Timothy Michael Bresnahan, MD's National Provider Identifier (NPI) is 1205860202, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Michael Bresnahan, MD located?

The NPPES record lists a practice address at 615 Fairhurst St, Sterling, CO, 80751. Phone: (970) 522-0122. Providers update this record themselves, so call before visiting.

How can I verify Timothy Michael Bresnahan, MD's license?

NPPES lists Colorado license number 43658, 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 Timothy Michael Bresnahan, MD prescribe under Medicare Part D?

In 2024, Timothy Michael Bresnahan, MD had 210 Medicare Part D claims for 108 beneficiaries; 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.