Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

James M Peterson, MD

Family Medicine Physician in Nashua, NH · enumerated 2005.

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

National Provider Identifier

1538158522

Verified

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Registry record

Entity type Individual (Type 1)

Name James M Peterson

Credential MD

Sex Male

Practice address 280 Main St, Suite 210, Nashua, NH, 03060

Phone (603) 577-2759

Fax (603) 577-3081

Enumeration date Oct 21, 2005

Last updated in NPPES Apr 19, 2017

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 16287 (NH) 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
3079783	Medicaid	MA	-
SX1733	Other	MA	PTAN

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 James Peterson?

The National Provider Identifier (NPI) for James Peterson is 1538158522, a Type 1 (individual) record in the CMS NPPES registry.

Where does James Peterson practice?

The practice location on file with NPPES is in Nashua, NH. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Yulan Wang Physical Medicine & Rehabilitation Physician · Nashua, NH NPI 1992795538 Sandhya Dasari Internal Medicine Physician · Nashua, NH NPI 1417929076 Mark Mallek Gastroenterology Physician · Nashua, NH NPI 1609841832 Jennifer Winslow Family Nurse Practitioner · Nashua, NH NPI 1922073220 Evergreen Womens Health Care Pllc Obstetrics & Gynecology Physician · Nashua, NH NPI 1891754974 Rebecca Green Obstetrics & Gynecology Physician · Nashua, NH NPI 1639139942 Donna Caron Psychiatric/Mental Health Nurse Practitioner · Nashua, NH NPI 1548220767 Jennifer Funaioli-Sheehan Family Medicine Physician · Nashua, NH NPI 1609816966

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-04-19.