Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Donnah M Nickerson-Reti, M.D.

Psychiatry Physician in Lexington, MA · enumerated 2006.

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

National Provider Identifier

1033185640

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Registry record

Entity type Individual (Type 1)

Name Dr. Donnah M Nickerson-Reti

Credential M.D.

Sex Female

Practice address 55 Fifer Ln, Lexington, MA, 02420

Phone (781) 308-1600

Enumeration date Feb 23, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

2084P0005X Neurodevelopmental Disabilities Physician Allopathic & Osteopathic Physicians · License 79871 (MA) Secondary

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 79871 (MA) Primary

2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License 79871 (MA) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

How do I verify Donnah Nickerson-Reti's NPI record?

Cross-check NPI 1033185640 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1033185640 active?

Yes, as of the latest NPPES snapshot, NPI 1033185640 is active (record last updated 2025-09-11).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.