Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Adolfo Moises Pena Salazar, MD

Internal Medicine Physician in Worcester, MA · enumerated 2008.

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

National Provider Identifier

1255508735

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Registry record

Entity type Individual (Type 1)

Name Dr. Adolfo Moises Pena Salazar

Credential MD

Sex Male

Practice address 119 Belmont St, Worcester, MA, 01605

Phone (085) 334-8515

Fax (508) 733-4764

Enumeration date May 13, 2008

Last updated in NPPES Oct 8, 2019

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 43326 (KY) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 43326 (KY) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 265416 (MA) Primary

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

Where does Adolfo Pena Salazar practice?

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

What is the NPI number for Adolfo Pena Salazar?

The National Provider Identifier (NPI) for Adolfo Pena Salazar is 1255508735, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-08.