Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Debra Ann Preller, M.D.

Internal Medicine Physician in Denver, CO · enumerated 2006 · practices at Colorado Coalition for the Homeless.

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

National Provider Identifier

1740242072

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Registry record

Entity type Individual (Type 1)

Name Debra Ann Preller

Credential M.D.

Sex Female

Practice address 2130 Stout St, Denver, CO, 80205

Phone (303) 293-2220

Enumeration date Apr 3, 2006

Last updated in NPPES Mar 4, 2019

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License DR.0054667 (CO) 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
3126PR	Other	WA	REGENCE BLUESHIELD RIDER
P00279853	Other	WA	RAILROAD MEDICARE
58836055	Medicaid	CO	-
8211633	Medicaid	WA	-
0197837	Other	WA	L & I WORKERS COMP.
1740242072	Other	CO	MEDICARE

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 Debra Preller?

The National Provider Identifier (NPI) for Debra Preller is 1740242072, a Type 1 (individual) record in the CMS NPPES registry.

Where does Debra Preller practice?

The practice location on file with NPPES is in Denver, CO. 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 2019-03-04.