Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Rory Dwain Trottier, M.D.

Obstetrics & Gynecology Physician in Grand Forks, ND · enumerated 2006 · practices at Northern Valley Obstetrics & Gynecology, P.C..

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

National Provider Identifier

1427002930

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Registry record

Entity type Individual (Type 1)

Name Rory Dwain Trottier

Credential M.D.

Sex Male

Practice address Grand Forks, ND, 58201

Phone (701) 738-2004

Enumeration date May 20, 2006

Last updated in NPPES Nov 9, 2015

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207VG0400X Gynecology Physician Allopathic & Osteopathic Physicians · License 8135 (ND) Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 8135 (ND) 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
10836	Medicaid	ND	-
0704690	Other	ND	MEDICA
NA4511021933	Other	ND	PREFERREDONE
20300523558201A002	Other	ND	TRICARE
026493	Other	ND	BCBSND
859517800	Other	ND	MN MEDICAL ASSISTANCE

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.

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Frequently asked questions

What is the NPI number for Rory Trottier?

The National Provider Identifier (NPI) for Rory Trottier is 1427002930, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rory Trottier practice?

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

Other providers at this practice address

Browse all →

Northern Valley Obstetrics & Gynecology, P.C. Primary Care Clinic/Center · Grand Forks, ND NPI 1194778035 Amanda Vesterso General Practice Dentistry · Grand Forks, ND NPI 1629239637

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-11-09.