Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cheryl B Greenstein, P.A

Physician Assistant in Springfield, MA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1467541060

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Registry record

Entity type Individual (Type 1)

Name Cheryl B Greenstein

Credential P.A

Sex Female

Practice address 759 Chestnut St, Springfield, MA, 01199

Phone (413) 794-3233

Fax (413) 794-9060

Enumeration date Oct 12, 2006

Last updated in NPPES Dec 14, 2011

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA 3742 (MA) Primary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 001910 (NY) Secondary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Cheryl Greenstein?

The National Provider Identifier (NPI) for Cheryl Greenstein is 1467541060, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cheryl Greenstein practice?

The practice location on file with NPPES is in Springfield, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-14.