Dr. John Francis Assini, MD

  • Presque Isle, ME
  • Rheumatologist
NPI1255325106
Medicare services, 2021
72
Part D claims, 2022
244
Industry payments
$163
Affiliated sites
2
Medical group
1
Practice address
134 State St, Meriden, CT 06450
Practice phone
Call (203) 237-2229
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Community Health Center - Meriden

FQHC - Main Site · Meriden, Connecticut

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Dr. John Francis Assini is a rheumatologist in Presque Isle, Maine

Dr. Assini practices at Community Health Center - Meriden in Meriden, Connecticut.

Dr. Assini's NPI, 1255325106, was assigned on September 7, 2005. Dr. Assini graduated from Albany Medical College of Union University in 1973. Dr. Assini holds New York license 122341.

NPI and contact details
NPI enumeration date
September 7, 2005
NPI status
Active
Practice phone
(203) 237-2229
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
79
Medical school graduation
1973

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Francis Assini practices in Meriden and Presque Isle

Dr. Assini's primary practice is Community Health Center - Meriden, at 134 State St, Meriden, CT 06450 in South Central Connecticut County. The practice phone is (203) 237-2229. The NPI Registry lists Dr. Assini's practice address as 140 Academy St, Presque Isle, ME 04769.

  • Community Health Center - MeridenPrimary
    134 State St, Meriden, CT 06450 · South Central Connecticut CountyPhone(203) 237-2229
  • NPI Registry address
    140 Academy St, Presque Isle, ME 04769 · Aroostook CountyPhone(518) 386-3626

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Dr. John Francis Assini is affiliated with 2 sites of care and 1 medical group

Dr. Assini's primary practice is Community Health Center - Meriden in Meriden, Connecticut. The medical group on file is ConferMED. Dmand AI also links Dr. Assini to 1 more physician office, named with a free account.

See all 3 affiliations for Dr. Assini

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Francis Assini's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Assini practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Community Health Center - MeridenAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Francis Assini is one of 28 rheumatologists in Maine

Rheumatology is Dr. Assini's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Assini is licensed in New York.

Specialties and state licenses

  • Rheumatology, New YorkPrimaryLicense 122341 · taxonomy 207RR0500X

Rheumatologists near Dr. Assini

Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.

28rheumatologists in Maine
4rheumatologists in Presque Isle

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Francis Assini billed Medicare for 72 services in 2021

CMS data shows 72 Medicare services from Dr. Assini across 3 procedure codes in 2021. Medicare paid $4,461 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202172
Paid by Medicare$4,461
Procedure codes3

Dr. Assini's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 892021: 7219%

Dr. Assini compared with the Maine median for rheumatologists, 2021

  • Dr. Assini
  • Maine median
Medicare services
72vs 42483% below
Part D claims
244vs 89873% below

Medians across 32 rheumatologists in Maine with Dmand AI profiles that report each measure.

Dr. Assini's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Assini and other rheumatologists in Maine.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Francis Assini's patients have a median age of 71

Across all payers, Dmand AI patient panel data puts Dr. Assini's median patient age at 71, with 86% women.

Dr. Assini's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women86%
  • Men13%

Source: Dmand AI Patient Panel Data

Dr. John Francis Assini wrote 244 Medicare Part D claims in 2022

In 2022, Dr. Assini wrote 244 Medicare Part D claims. They cover 8 drugs, with $491,605 in total drug cost. In 2021, CMS named 433 claims across 10 drugs.

Part D claims, 2022244
Drugs named by CMS8
Total drug cost$491,605

Dr. Assini's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 4332022: 24444%

Drugs named by CMS: 8 in 2022, 10 in 2021.

See all prescribing by Dr. Assini

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. John Francis Assini received $163 in industry payments in 2017

CMS Open Payments shows 4 general payments to Dr. Assini from 2 drug and device companies in 2017. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $150.

Companies that paid Dr. Assini the most, 2017 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Assini

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Francis Assini graduated from Albany Medical College of Union University

Dr. Assini graduated from Albany Medical College of Union University in 1973.

  1. Medical schoolAlbany Medical College of Union University

Source: Dmand AI Professional Profile Data

Sources for Dr. John Francis Assini's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Francis Assini

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John Francis Assini's NPI number?

Dr. John Francis Assini's NPI number is 1255325106. It was assigned on September 7, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John Francis Assini?

Dr. John Francis Assini is a rheumatologist in Presque Isle, Maine. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. John Francis Assini practice?

Dr. Assini practices at 134 State St, Meriden, CT 06450. Dr. Assini also practices at 140 Academy St, Presque Isle, ME 04769. Dr. Assini's primary practice is Community Health Center - Meriden in Meriden, Connecticut. Dmand AI also links Dr. Assini to 1 physician office.

What is Dr. John Francis Assini's office phone number?

The practice phone on file for Dr. Assini is (203) 237-2229.

What is Dr. John Francis Assini's medical license number?

Dr. Assini holds New York license 122341.

What medical group is Dr. John Francis Assini part of?

Dr. Assini is linked to ConferMED.

Does Dr. John Francis Assini accept Medicare?

Yes. CMS data shows Dr. Assini billed Medicare for 72 services in 2021.

What services does Dr. John Francis Assini bill to Medicare?

In 2021, Dr. Assini's most billed Medicare services were office visit, established patient (99214), care management and other visits (99443) and office visit, established patient (99213).

Where did Dr. John Francis Assini go to medical school?

Dr. Assini graduated from Albany Medical College of Union University in 1973.

What drugs does Dr. John Francis Assini prescribe most?

In 2022 Medicare Part D data, Dr. Assini's most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.

Has Dr. John Francis Assini received payments from drug or device companies?

CMS Open Payments shows $163 in general payments to Dr. Assini from 2 companies from 2017 to 2017. The largest total came from Abbvie Inc.

How long has Dr. John Francis Assini been practicing?

Dr. Assini graduated from medical school in 1973, 53 years ago.

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