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

Mark Chipman Dobson, DTR

Q: What is the NPI number for Mark Dobson?

The National Provider Identifier (NPI) for Mark Dobson is 1720550825, a Type 1 (individual) record in the CMS NPPES registry.

Registered Dietetic Technician in South Burlington, VT · enumerated 2018.

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

National Provider Identifier

1720550825

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Registry record

Entity type Individual (Type 1)

Name Mark Chipman Dobson

Credential DTR

Sex Male

Practice address South Burlington, VT, 05403

Phone (802) 863-2446

Enumeration date Dec 30, 2018

Last updated in NPPES Dec 30, 2018

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

Taxonomy & licenses

136A00000X Registered Dietetic Technician Dietary & Nutritional Service Providers Primary

Other identifiers

Identifier	Type	State	Issuer
NA	Other	-	NONE

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

Where does Mark Dobson practice?

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

What is the NPI number for Mark Dobson?

The National Provider Identifier (NPI) for Mark Dobson is 1720550825, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-12-30.