Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michael David Sather, MD

Neurological Surgery Physician in Hershey, PA · enumerated 2007.

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

National Provider Identifier

1235358144

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Registry record

Entity type Individual (Type 1)

Name Dr. Michael David Sather

Credential MD

Sex Male

Practice address 30 Hope Dr Ste 1200, Hershey, PA, 17033

Phone (717) 531-3828

Fax (717) 531-0793

Enumeration date Apr 25, 2007

Last updated in NPPES Oct 8, 2020

Taxonomy & licenses

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License MD437083 (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
1023428220002	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 Michael Sather?

The National Provider Identifier (NPI) for Michael Sather is 1235358144, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Sather practice?

The practice location on file with NPPES is in Hershey, 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 2020-10-08.