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Samuel D Allen, M.D.

Ophthalmology Physician in Lawrence, MA · enumerated 2005.

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

National Provider Identifier

1649253444

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Registry record

Entity type Individual (Type 1)
Name Samuel D Allen
Credential M.D.
Sex Male
Practice address 360 Merrimack St, Bldg 9, Entrance I, Lawrence, MA, 01843
Phone (978) 688-6182
Fax (978) 689-0731
Enumeration date Nov 25, 2005
Last updated in NPPES Nov 25, 2013

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 204598 (MA) Primary
207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 10852 (NH) 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
110062674A Medicaid MA -
3091278 Medicaid NH -

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 Samuel Allen?
The National Provider Identifier (NPI) for Samuel Allen is 1649253444, a Type 1 (individual) record in the CMS NPPES registry.
Where does Samuel Allen practice?
The practice location on file with NPPES is in Lawrence, MA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-11-25.