Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Douglas David Pflaum, M.D.

Family Medicine Physician in Lake City, MN · enumerated 2005.

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

National Provider Identifier

1538145156

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Registry record

Entity type Individual (Type 1)

Name Douglas David Pflaum

Credential M.D.

Sex Male

Practice address 507 W Doughty St, Lake City, MN, 55041

Phone (651) 345-2350

Fax (651) 345-2238

Enumeration date Dec 15, 2005

Last updated in NPPES Aug 18, 2016

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 27015 (MN) Primary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 26415 (WI) 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
0113153	Other	-	MEDICA
MH9101008902	Other	-	PREFERRED ONE
118098	Other	-	UCARE
49A85PF	Other	-	BCBS
080123675	Other	-	RAILROAD MEDICARE
336370800	Medicaid	MN	-

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 Pflaum?

The National Provider Identifier (NPI) for Douglas Pflaum is 1538145156, a Type 1 (individual) record in the CMS NPPES registry.

Where does Douglas Pflaum practice?

The practice location on file with NPPES is in Lake City, MN. 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 2016-08-18.