NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Ralph Robinson Wolf, MD

Orthopaedic Surgery Physician in Nashua, NH · enumerated 2006.

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

National Provider Identifier

1477658060

Verified

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Registry record

Entity type Individual (Type 1)
Name Mr. Ralph Robinson Wolf
Credential MD
Sex Male
Practice address Nashua, NH, 03060
Phone (603) 889-1881
Fax (603) 889-1820
Enumeration date Sep 14, 2006
Last updated in NPPES Jan 16, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 5847 (NH) Primary
207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 79945 (MA) 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
C65810 Other - HARVARD
703846 Other NH TUFTS
613 Other - CIGNA
0106718Y0NH01 Other NH ANTHEM
81206718 Medicaid NH -
10905890 Other - AETNA

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 Ralph Wolf?
The National Provider Identifier (NPI) for Ralph Wolf is 1477658060, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ralph Wolf practice?
The practice location on file with NPPES is in Nashua, NH. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-16.