Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert D Carlson, M.D.

Family Medicine Physician in Stafford Springs, CT · enumerated 2005.

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

National Provider Identifier

1013900174

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Registry record

Entity type Individual (Type 1)

Name Robert D Carlson

Credential M.D.

Sex Male

Practice address 47 E Main St, Stafford Springs, CT, 06076

Phone (860) 684-5848

Enumeration date Aug 24, 2005

Last updated in NPPES Jan 11, 2013

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 029923 (CT) 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
61373363	Other	CT	UNITED HEALTH CARE
1299230	Medicaid	CT	-
0129923000	Other	CT	BLUE CARE FAMILY PLAN
010029923-CT01	Other	CT	BCBS
0R3605	Other	CT	HEALTH NET
4230366	Other	CT	AETNA
TOP027	Other	CT	OXFORD HEALTH PLAN
01029923	Other	CT	CIGNA
029923	Other	CT	CONNECTICARE

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 Robert Carlson?

The National Provider Identifier (NPI) for Robert Carlson is 1013900174, a Type 1 (individual) record in the CMS NPPES registry.

Where does Robert Carlson practice?

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

Other providers at this practice address

Browse all →

Nutmeg Healthcare Associates, P.C. Family Medicine Physician · Stafford Springs, CT NPI 1649391046 Robert D. Carlson, M.D. , LLC Family Medicine Physician · Stafford Springs, CT NPI 1861718264 Francis Vannostrand Ph.D. Medical Genetics · Stafford Springs, CT NPI 1184618381

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-11.