Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Phyllis Pollack, MD

Pediatric Cardiology Physician in Worcester, MA · enumerated 2005.

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

National Provider Identifier

1871583450

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Registry record

Entity type Individual (Type 1)

Name Phyllis Pollack

Credential MD

Sex Female

Practice address 33 Oak Ave, Worcester, MA, 01605

Phone (508) 757-7300

Fax (800) 757-0803

Enumeration date Oct 25, 2005

Last updated in NPPES Dec 5, 2011

Taxonomy & licenses

2080P0202X Pediatric Cardiology Physician Allopathic & Osteopathic Physicians · License 51006 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
209885	Medicaid	MA	-

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 Phyllis Pollack?

The National Provider Identifier (NPI) for Phyllis Pollack is 1871583450, a Type 1 (individual) record in the CMS NPPES registry.

Where does Phyllis Pollack practice?

The practice location on file with NPPES is in Worcester, 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 2011-12-05.