NPI Portal NPI Lookup & Verification

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

Michael J. Greenberg, M.D.

Radiation Oncology Physician in Cherry Hill, NJ · enumerated 2005.

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

National Provider Identifier

1548264120

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Registry record

Entity type Individual (Type 1)
Name Michael J. Greenberg
Credential M.D.
Sex Male
Practice address Cherry Hill, NJ, 08003
Fax (856) 751-3243
Enumeration date Jun 10, 2005
Last updated in NPPES Jun 24, 2021

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

Taxonomy & licenses

174400000X Specialist Other Service Providers · License MD-040765-E (PA) Secondary
2085R0203X Therapeutic Radiology Physician Allopathic & Osteopathic Physicians · License MD 040765 E (PA) Secondary
2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License MD 040765 E (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
001147491 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.

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Frequently asked questions

What is the NPI number for Michael Greenberg?
The National Provider Identifier (NPI) for Michael Greenberg is 1548264120, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Greenberg practice?
The practice location on file with NPPES is in Cherry Hill, NJ. 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 2021-06-24.