NPPES file of Aug 9, 2026

John Patrick Griffin, DDS

General Practice Dentistry · Chicopee, MA

John Patrick Griffin, DDS is a general practice dentistry with a practice address in Chicopee, Massachusetts, and NPI 1144204058, issued on Dec 5, 2005. Check the license (Massachusetts 17057, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1144204058
Name
John Patrick Griffin
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
17057 MA
Self-reported in NPPES; status is on the state search
Practice location
1682 Memorial Dr, Chicopee, MA 01020
Phone
(413) 533-6460
Enumerated
Dec 5, 2005
Record last updated
Jul 13, 2026
Fax
(413) 533-7034
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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Verify John Patrick Griffin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 17057
    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
Find the Massachusetts license search

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16% more Medicare Part D claims than the average general practice dentistry in 2024

96 Medicare Part D claims for 64 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Griffin96
  2. Specialty average83

Most prescribed

  1. Amoxicillin59 claims
  2. Amoxicillin-Clavulanate Potass13 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.

John Patrick Griffin among 3,489 general practice dentistry records in Massachusetts

John Patrick Griffin, DDS is one of 3,489 general practice dentistry records with a practice address in Massachusetts. 58% 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, 96% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 general practice dentistry records list a practice address in Chicopee

They are 20 of the 730 NPPES records with a practice address in Chicopee, and 3,489 general practice dentistry records in Massachusetts.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Mark Bourcier, DMDChicopee, MA 010201093836017
  2. Brennan Cassidy, DDSChicopee, MA 010201467018077
  3. Walter Gazda, DMDChicopee, MA 010201285741405
  4. Waclaw Hojnoski, DMDChicopee, MA 010201154422079
  5. Deepti Kalra, DMDChicopee, MA 010201184934697
  6. Richard L'Heureux, DDSChicopee, MA 010201881630374
  7. Ginger Pollack, DMDChicopee, MA 010201710251798
  8. Robert Quinn, DDSChicopee, MA 010201285766899

Common questions

What is John Patrick Griffin, DDS's NPI number?

John Patrick Griffin, DDS's National Provider Identifier (NPI) is 1144204058, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Patrick Griffin, DDS located?

The NPPES record lists a practice address at 1682 Memorial Dr, Chicopee, MA, 01020. Phone: (413) 533-6460. Providers update this record themselves, so call before visiting.

How can I verify John Patrick Griffin, DDS's license?

NPPES lists Massachusetts license number 17057, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does John Patrick Griffin, DDS prescribe under Medicare Part D?

In 2024, John Patrick Griffin, DDS had 96 Medicare Part D claims for 64 beneficiaries; the average among general practice dentistry prescribers was 83. 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.