Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Daniel J Peterson, M.D.

Internal Medicine Physician in Philadelphia, PA · enumerated 2005.

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

National Provider Identifier

1902883846

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Registry record

Entity type Individual (Type 1)

Name Dr. Daniel J Peterson

Credential M.D.

Sex Male

Practice address 345 E Mount Airy Ave, Philadelphia, PA, 19119

Phone (215) 242-5000

Fax (215) 242-5086

Enumeration date Dec 30, 2005

Last updated in NPPES Mar 24, 2016

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License PAMD430498 (PA) 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
101958464	Medicaid	PA	-

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 Daniel Peterson?

The National Provider Identifier (NPI) for Daniel Peterson is 1902883846, a Type 1 (individual) record in the CMS NPPES registry.

Where does Daniel Peterson practice?

The practice location on file with NPPES is in Philadelphia, PA. 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 2016-03-24.