Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Alan P Farwell, M.D.

Endocrinology, Diabetes & Metabolism Physician in Boston, MA · enumerated 2005.

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

National Provider Identifier

1699758151

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Registry record

Entity type Individual (Type 1)

Name Dr. Alan P Farwell

Credential M.D.

Sex Male

Practice address 732 Harrison Ave, Fl 2, Preston Bldg, Boston, MA, 02118

Phone (617) 638-7470

Fax (617) 638-7449

Enumeration date Nov 29, 2005

Last updated in NPPES Dec 19, 2023

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 58977 (MA) Secondary

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians · License 58977 (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
110048364A	Medicaid	MA	-
3120095	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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1699758151 active?

Yes, as of the latest NPPES snapshot, NPI 1699758151 is active (record last updated 2023-12-19).

How do I verify Alan Farwell's NPI record?

Cross-check NPI 1699758151 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-19.