Nathan A. Brinn, MD
Internal Medicine Physician · Fort Collins, CO
Nathan A. Brinn, MD is an internal medicine physician with a practice address in Fort Collins, Colorado, and NPI 1851377071, issued on Dec 20, 2005. Check the license (Colorado DR.0074560, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathan A. Brinn
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- DR.0074560 CO
ME123206 FL
009000331 NC
Self-reported in NPPES; status is on the state search - Practice location
- 4674 Snow Mesa Dr Ste 200, Fort Collins, CO 80528
- Phone
- (970) 266-3650
- Enumerated
- Dec 20, 2005
- Record last updated
- Jul 9, 2025
- Medicaid ID
- 015106800 FL
- Medicare enrollment
- Enrolled (PECOS I20250606000747); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 4674 Snow Mesa Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Carson, MDInternal Medicine Physician1801391263
- Brian Elder, PA-CMedical Physician Assistant1275604514
- Anne-Claire Frey, NURSE PRACTITIONERNurse Practitioner1639867450
- Jordan Jowder, LPCMental Health Counselor1255077871
- Heather Kenney, MSPTErgonomics Physical Therapist1558502229
- Thomas Klink, MDInternal Medicine Physician1942865233
Verify Nathan A. Brinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0074560Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% more Medicare Part D claims than the average internal medicine physician in 2024
5,781 Medicare Part D claims for 469 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 123 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium221 claims
- Amlodipine Besylate220 claims
- Atorvastatin Calcium219 claims
- Losartan Potassium180 claims
- Levothyroxine Sodium172 claims
- Gabapentin169 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 2 group practices
- Legacy Healthcare Services IncTampa, FL
- Poudre Valley Medical Group LLCFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan A. Brinn among 2,046 internal medicine physician records in Colorado
Nathan A. Brinn, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2001 · median 2006 among the 1,090 with a school on file
- Record last updated2025 · 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).
Internal Medicine Physician providers in Colorado
There are 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Fort Collins → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Carrie Campbell Broughton, MDFort Collins, CO 805281295737526
- Nicola Demacopoulos, MDFort Collins, CO 805281205813839
- Jennifer Hendrick, MDFort Collins, CO 805281144256728
- Robert Juhala, MDFort Collins, CO 805281851329973
- Helen Kilzer, MDFort Collins, CO 805281538182993
- Christina Lang, M.D.Fort Collins, CO 805281639274285
- Samuel Mast, M.D.Fort Collins, CO 805281780970426
- Dilaawar Mistry, M.D.Fort Collins, CO 805281437299468
Common questions
What is Nathan A. Brinn, MD's NPI number?
Nathan A. Brinn, MD's National Provider Identifier (NPI) is 1851377071, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nathan A. Brinn, MD located?
The NPPES record lists a practice address at 4674 Snow Mesa Dr Ste 200, Fort Collins, CO, 80528. Phone: (970) 266-3650. Providers update this record themselves, so call before visiting.
How can I verify Nathan A. Brinn, MD's license?
NPPES lists Colorado license number DR.0074560, 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 Nathan A. Brinn, MD prescribe under Medicare Part D?
In 2024, Nathan A. Brinn, MD had 5,781 Medicare Part D claims for 469 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.