Cassidy Melville Griffin
Physician Assistant · Dorchester, MA
Cassidy Melville Griffin is a physician assistant with a practice address in Dorchester, Massachusetts, and NPI 1477170223, issued on Jun 28, 2020. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassidy Melville Griffin
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 25 Hecla St Apt 1, Dorchester, MA 02122
- Phone
- (607) 226-3531
- Enumerated
- Jun 28, 2020
- Record last updated
- Jun 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Verify Cassidy Melville Griffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average physician assistant in 2024
37 Medicare Part D claims for 20 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Cassidy Melville Griffin among 4,713 physician assistant records in Massachusetts
Cassidy Melville Griffin is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 56% of them.
- NPI issued2020 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2020 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in Massachusetts
There are 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Dorchester → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mary O'Dwyer, PADorchester, MA 021221659930295
- Sonya Oneill, PA-CBoston, MA 021221346697422
- Craig Ushkurnis, PA-CDorchester, MA 021221477513422
- Effie MorgensternBoston, MA 021211528734589
- Justin Bryan, PABoston, MA 021201982180196
- Ying Buckley, PADorchester, MA 021241770622888
- Ellen Busher, PACBoston, MA 021201265708382
- Schaillee Butler, PABoston, MA 021201174875751
Common questions
What is Cassidy Melville Griffin's NPI number?
Cassidy Melville Griffin's National Provider Identifier (NPI) is 1477170223, issued on Jun 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Cassidy Melville Griffin located?
The NPPES record lists a practice address at 25 Hecla St Apt 1, Dorchester, MA, 02122. Phone: (607) 226-3531. Providers update this record themselves, so call before visiting.
How can I verify Cassidy Melville Griffin's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Cassidy Melville Griffin prescribe under Medicare Part D?
In 2024, Cassidy Melville Griffin had 37 Medicare Part D claims for 20 beneficiaries; the average among physician assistant prescribers was 830. 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.