Cheryl B. Greenstein, P.A
Physician Assistant · Springfield, MA
Cheryl B. Greenstein, P.A is a physician assistant with a practice address in Springfield, Massachusetts, and NPI 1467541060, issued on Oct 12, 2006. Check the license (Massachusetts PA 3742, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cheryl B. Greenstein
- Credential
- P.A
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA 3742 MA
001910 NY
Self-reported in NPPES; status is on the state search - Practice location
- 759 Chestnut St, Springfield, MA 01199
- Phone
- (413) 794-3233
- Enumerated
- Oct 12, 2006
- Record last updated
- Dec 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (413) 794-9060
- Medicare enrollment
- Enrolled (PECOS I20100114000057); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 759 Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patrick Abad, MDStudent in an Organized Health Care Education/Training Program1063351823
- Ramsha Abbas, MBBSStudent in an Organized Health Care Education/Training Program1619679693
- Mohamed Abdelazeem, MDStudent in an Organized Health Care Education/Training Program1720606551
- Rishard Abdul, M.B.B.SCardiovascular Disease Physician1114412830
- Mohammed AbozenahStudent in an Organized Health Care Education/Training Program1457839805
- Saeed Abughazaleh, MDCardiovascular Disease Physician1427782762
Verify Cheryl B. Greenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA 3742Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average physician assistant in 2024
109 Medicare Part D claims for 89 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Ibuprofen14 claims
- Cephalexin12 claims
- Oxycodone Hcl12 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 one group practice
- Baystate Medical Practices IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cheryl B. Greenstein among 4,713 physician assistant records in Massachusetts
Cheryl B. Greenstein, P.A 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2003 · median 2019 among the 3,217 with a school on file
- Record last updated2011 · 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).
172 physician assistant records list a practice address in Springfield
They are 172 of the 8,553 NPPES records with a practice address in Springfield, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Springfield → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Deborah Blume, PASpringfield, MA 011991003015686
- Michayla Casella, PA-CSpringfield, MA 011991487286563
- Victoria DelrossoSpringfield, MA 011991588500912
- Frederico Fernandes, PA-CSpringfield, MA 011991720531098
- Maya Ferris, PA-CSpringfield, MA 011991396604484
- Jordyn Gallant, PA-CSpringfield, MA 011991598327934
- Holly Gardner, PA-CSpringfield, MA 011991679969620
- Anna Russo, PASpringfield, MA 011991710818984
Common questions
What is Cheryl B. Greenstein, P.A's NPI number?
Cheryl B. Greenstein, P.A's National Provider Identifier (NPI) is 1467541060, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cheryl B. Greenstein, P.A located?
The NPPES record lists a practice address at 759 Chestnut St, Springfield, MA, 01199. Phone: (413) 794-3233. Providers update this record themselves, so call before visiting.
How can I verify Cheryl B. Greenstein, P.A's license?
NPPES lists Massachusetts license number PA 3742, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Cheryl B. Greenstein, P.A prescribe under Medicare Part D?
In 2024, Cheryl B. Greenstein, P.A had 109 Medicare Part D claims for 89 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.