Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Donald Scott Marks, M.D.

Neurology Physician in Plymouth, MA · enumerated 2005.

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

National Provider Identifier

1982680740

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Registry record

Entity type Individual (Type 1)

Name Dr. Donald Scott Marks

Credential M.D.

Sex Male

Practice address 45 Resnik Rd, Suite 205, Plymouth, MA, 02360

Phone (508) 746-5060

Fax (508) 746-8060

Enumeration date Dec 22, 2005

Last updated in NPPES Jan 14, 2011

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 51291 (MA) 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
3015068	Medicaid	MA	-

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 Donald Marks?

Donald Marks is registered in NPPES with the primary taxonomy of Neurology 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 2011-01-14.