Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mary Therese Dahling, M.D.

Obstetrics & Gynecology Physician in Minneapolis, MN · enumerated 2006 · practices at John A. Haugen Associates, P.A..

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

National Provider Identifier

1801863436

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Registry record

Entity type Individual (Type 1)

Name Dr. Mary Therese Dahling

Credential M.D.

Sex Female

Practice address 801 Nicollet Mall, Suite 400, Minneapolis, MN, 55402

Phone (612) 333-2503

Fax (612) 333-2503

Enumeration date Mar 2, 2006

Last updated in NPPES Apr 23, 2020

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 50802 (MN) 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
50802	Other	MN	MINNESOTA LICENSE

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

How do I verify Mary Dahling's NPI record?

Cross-check NPI 1801863436 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1801863436 active?

Yes, as of the latest NPPES snapshot, NPI 1801863436 is active (record last updated 2020-04-23).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-23.