NPPES file of Aug 9, 2026

Joyce Justin, M.D.

Internal Medicine Physician · Avon, CT

Joyce Justin, M.D. is an internal medicine physician with a practice address in Avon, Connecticut, and NPI 1972748481, issued on Dec 11, 2008. Check the license (Connecticut 047430, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972748481
Name
Joyce Justin
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
047430 CT
Self-reported in NPPES; status is on the state search
Practice location
100 Simsbury RD, Avon, CT 06001
Phone
(860) 676-4820
Enumerated
Dec 11, 2008
Record last updated
Mar 8, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(860) 676-4823
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 100 Simsbury RD

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

  1. Cecile Berry, PAMedical Physician Assistant1245393693
  2. Ronald Buonomano, MDInternal Medicine Physician1861597189
  3. Aylah Clark, N.D.Naturopath1013393487
  4. Fernando Ferrer, MDPediatric Urology Physician1740253483
  5. Dennis Foley, PAPhysician Assistant1801867767
  6. Catherine GormleyClinical Social Worker1467916700

Verify Joyce Justin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 047430
    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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Joyce Justin among 2,623 internal medicine physician records in Connecticut

Joyce Justin, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2012 · 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 internal medicine physician records list a practice address in Avon

They are 15 of the 673 NPPES records with a practice address in Avon, and 2,623 internal medicine physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ronald Buonomano, MDAvon, CT 060011861597189
  2. Wayne Chen, MDAvon, CT 060011679640841
  3. Marie Dam, MDAvon, CT 060011164576062
  4. Ingrid Grafals, MDAvon, CT 060011538122262
  5. Lisa Gronski, D.O.Avon, CT 060011265758577
  6. Chi Kim, MDAvon, CT 060011023094125
  7. Rene Lerer, M.D.Avon, CT 060011982826616
  8. Lalarukh Mufti, M.D.Avon, CT 060011942352794

Common questions

What is Joyce Justin, M.D.'s NPI number?

Joyce Justin, M.D.'s National Provider Identifier (NPI) is 1972748481, issued on Dec 11, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Joyce Justin, M.D. located?

The NPPES record lists a practice address at 100 Simsbury RD, Avon, CT, 06001. Phone: (860) 676-4820. Providers update this record themselves, so call before visiting.

How can I verify Joyce Justin, M.D.'s license?

NPPES lists Connecticut license number 047430, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.