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

Craig D Thorne, MD

Q: What is the NPI number for Craig Thorne?

The National Provider Identifier (NPI) for Craig Thorne is 1356550792, a Type 1 (individual) record in the CMS NPPES registry.

Preventive Medicine/Occupational Environmental Medicine Physician in Silver Spring, MD · enumerated 2007.

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

National Provider Identifier

1356550792

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Craig D Thorne

Credential MD

Sex Male

Practice address Silver Spring, MD, 20904

Phone (301) 628-3644

Fax (301) 628-3645

Enumeration date May 22, 2007

Last updated in NPPES Jul 16, 2008

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

Taxonomy & licenses

2083P0500X Preventive Medicine/Occupational Environmental Medicine Physician Allopathic & Osteopathic Physicians · License D50961 (MD) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License D0050961 (MD) 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

What is the NPI number for Craig Thorne?

The National Provider Identifier (NPI) for Craig Thorne is 1356550792, a Type 1 (individual) record in the CMS NPPES registry.

Where does Craig Thorne practice?

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

Other providers at this practice address

Browse all →

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