Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Douglas W Carlson, MD

Pediatric Emergency Medicine (Pediatrics) Physician in Springfield, IL · enumerated 2006.

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

National Provider Identifier

1669490132

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Registry record

Entity type Individual (Type 1)

Name Dr. Douglas W Carlson

Credential MD

Sex Male

Practice address 301 N 8th St, Suite Pav4a, Springfield, IL, 62701

Phone (217) 545-8000

Fax (217) 545-2303

Enumeration date Jul 17, 2006

Last updated in NPPES Sep 27, 2018

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 036-136399 (IL) Secondary

2080P0204X Pediatric Emergency Medicine (Pediatrics) Physician Allopathic & Osteopathic Physicians · License 036-136399 (IL) 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
103810102	Medicaid	MO	-

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 Douglas Carlson?

The National Provider Identifier (NPI) for Douglas Carlson is 1669490132, a Type 1 (individual) record in the CMS NPPES registry.

Where does Douglas Carlson practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-09-27.