John M. Brown, M.D.
Family Medicine Physician · Johnstown, CO
John M. Brown, M.D. is a family medicine physician with a practice address in Johnstown, Colorado, and NPI 1952490153, issued on Oct 12, 2006. Check the license (Colorado 46037, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- John M. Brown
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 46037 CO
2004029090 MO
193530 OK
Self-reported in NPPES; status is on the state search - Practice location
- 473 Castle Pines Ave Ste 1, Johnstown, CO 80534
- Phone
- (970) 587-7881
- Enumerated
- Oct 12, 2006
- Record last updated
- Mar 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (970) 587-7738
- Medicaid ID
- 88788814 CO
- Medicare enrollment
- Enrolled (PECOS I20071217000062); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 473 Castle Pines Ave Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cara Brown, M.D.Adolescent Medicine (Family Medicine) Physician1942399134
- Mandie Dykstra Navarro, M.D.Family Medicine Physician1689615536
- Samantha Poupore, MDFamily Medicine Physician1184150864
- Drake Sisneros, MDFamily Medicine Physician1053934711
Verify John M. Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 46037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average family medicine physician in 2024
2,259 Medicare Part D claims for 156 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium152 claims
- Amlodipine Besylate123 claims
- Metformin Hcl117 claims
- Lisinopril107 claims
- Levothyroxine Sodium99 claims
- Pravastatin Sodium82 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 72.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $728.71
41 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Family Physicians OF Greeley LLPGreeley, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Brown among 3,563 family medicine physician records in Colorado
John M. Brown, M.D. 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1995 · median 2008 among the 2,077 with a school on file
- Record last updated2020 · 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).
14 family medicine physician records list a practice address in Johnstown
They are 14 of the 163 NPPES records with a practice address in Johnstown, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Johnstown → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jamison Bohl, M.D.Johnstown, CO 805341508849282
- Mandie Dykstra Navarro, M.D.Johnstown, CO 805341689615536
- Joseph Gregory, M.D.Johnstown, CO 805341033179981
- Steven Hill, M.D.Johnstown, CO 805341316367832
- Courtney Isley, M.D.Johnstown, CO 805341366601700
- Thomas Kenigsberg, M.D.Johnstown, CO 805341467412650
- Thomas Martin, D.O.Johnstown, CO 805341811060353
- Samantha Poupore, MDJohnstown, CO 805341184150864
Common questions
What is John M. Brown, M.D.'s NPI number?
John M. Brown, M.D.'s National Provider Identifier (NPI) is 1952490153, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John M. Brown, M.D. located?
The NPPES record lists a practice address at 473 Castle Pines Ave Ste 1, Johnstown, CO, 80534. Phone: (970) 587-7881. Providers update this record themselves, so call before visiting.
How can I verify John M. Brown, M.D.'s license?
NPPES lists Colorado license number 46037, 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 John M. Brown, M.D. prescribe under Medicare Part D?
In 2024, John M. Brown, M.D. had 2,259 Medicare Part D claims for 156 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is John M. Brown, M.D.'s MIPS final score?
The 2023 MIPS final score is 72.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.