Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Gregory Dickson Frattaroli, M.D.

Emergency Medicine Physician in Chester, PA · enumerated 2007.

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

National Provider Identifier

1164626552

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Registry record

Entity type Individual (Type 1)

Name Gregory Dickson Frattaroli

Credential M.D.

Sex Male

Practice address Chester, PA, 19013

Phone (610) 447-2000

Enumeration date Jun 12, 2007

Last updated in NPPES Jul 7, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License MD439085 (PA) Primary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License C1-0028141 (DE) Secondary

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
0694193	Medicaid	NJ	-

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.

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Frequently asked questions

What is the NPI number for Gregory Frattaroli?

The National Provider Identifier (NPI) for Gregory Frattaroli is 1164626552, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Frattaroli practice?

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

Other providers at this practice address

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Jialin Zhou Anesthesiology Physician · Chester, PA NPI 1841292828 Joel Krackow Cardiovascular Disease Physician · Upland, PA NPI 1649263443 Pal Radiation Oncology Associates Ltd Radiation Oncology Physician · Upland, PA NPI 1437142817 John Lamond Radiation Oncology Physician · Upland, PA NPI 1982697371 Richard Taxin Diagnostic Radiology Physician · Upland, PA NPI 1902890890 Irene Woo Diagnostic Radiology Physician · Upland, PA NPI 1184618076 Khozaim Nakhoda Diagnostic Radiology Physician · Upland, PA NPI 1700870789 Southeast Radiology Ltd Diagnostic Radiology Physician · Chester, PA NPI 1790779684

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