NPPES file of Aug 9, 2026

John M. Montminy, D.O

Family Medicine Physician · Bristol, CT

John M. Montminy, D.O is a family medicine physician with a practice address in Bristol, Connecticut, and NPI 1558478305, issued on Aug 25, 2006. Check the license (Connecticut 041878, as entered in NPPES) on the Connecticut Medical Examining 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
1558478305
Name
John M. Montminy
Credential
D.O
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
041878 CT
Self-reported in NPPES; status is on the state search
Practice location
22 Pine St, Bristol, CT 06010
Phone
(860) 545-3112
Enumerated
Aug 25, 2006
Record last updated
Sep 24, 2025
Fax
(904) 446-3013
Medicaid ID
001418789 CT
Medicare enrollment
Enrolled (PECOS I20040608000330); 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 22 Pine St

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

  1. Deanna JohnsonMental Health Counselor1306124409
  2. Kayla Kennedy, PA-CMedical Physician Assistant1467801605
  3. Diana Lucci, LPCCounselor1811136989
  4. Emily LynchClinical Social Worker1801257266
  5. Joseph Marakovits, MDCardiovascular Disease Physician1548225527
  6. John Melanson, D.M.D.General Practice Dentistry1255485538

Verify John M. Montminy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 041878
    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 Connecticut 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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83% fewer Medicare Part D claims than the average family medicine physician in 2024

592 Medicare Part D claims for 120 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. John Montminy592
  2. Specialty average3,544

Most prescribed

  1. Furosemide41 claims
  2. Atorvastatin Calcium37 claims
  3. Levothyroxine Sodium36 claims
  4. Memantine Hcl27 claims
  5. Topiramate25 claims
  6. Eliquis24 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

  1. Day Kimball Medical Group IncPutnam, CT
  2. Littleton Hospital AssociationLittleton, NH

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

John M. Montminy among 958 family medicine physician records in Connecticut

John M. Montminy, D.O is one of 958 family medicine physician records with a practice address in Connecticut. 79% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 57% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2000 · median 2009 among the 611 with a school on file
  • Record last updated2025 · 56% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 family medicine physician records list a practice address in Bristol

They are 16 of the 854 NPPES records with a practice address in Bristol, and 958 family medicine physician records in Connecticut.

The 8 family medicine physician records with the nearest ZIP codes

  1. Lea Bailey, MDBristol, CT 060101205847134
  2. Erica Buss, RNBristol, CT 060101982129938
  3. Devorah Donnell, M.D.Bristol, CT 060101093196941
  4. Jeffrey Goldberg, MDBristol, CT 060101093723983
  5. Hassan Loutfi, DOBristol, CT 060101952756918
  6. Jennifer Mastrocola, MDBristol, CT 060101972896561
  7. Vijai Muthukrishnan, M.D.Bristol, CT 060101003016270
  8. Maria O'Brien, MDBristol, CT 060101992718068

Common questions

What is John M. Montminy, D.O's NPI number?

John M. Montminy, D.O's National Provider Identifier (NPI) is 1558478305, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John M. Montminy, D.O located?

The NPPES record lists a practice address at 22 Pine St, Bristol, CT, 06010. Phone: (860) 545-3112. Providers update this record themselves, so call before visiting.

How can I verify John M. Montminy, D.O's license?

NPPES lists Connecticut license number 041878, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John M. Montminy, D.O prescribe under Medicare Part D?

In 2024, John M. Montminy, D.O had 592 Medicare Part D claims for 120 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.