Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert S Mirsky, MD

Hospitalist Physician in Doylestown, PA · enumerated 2006.

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

National Provider Identifier

1982622254

Verified

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Registry record

Entity type Individual (Type 1)

Name Robert S Mirsky

Credential MD

Sex Male

Practice address 595 W State St, Doylestown, PA, 18901

Phone (215) 345-2885

Fax (215) 345-2552

Enumeration date Jul 17, 2006

Last updated in NPPES Feb 16, 2023

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD032677E (PA) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License MD032677E (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
000996717	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 specialty is Robert Mirsky?

Robert Mirsky is registered in NPPES with the primary taxonomy of Hospitalist Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-16.