What is Greg Larsen's NPI number?

Greg Larsen's National Provider Identifier (NPI) is 1295764504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Greg Larsen's specialty?

Greg Larsen is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).

Where is Greg Larsen located?

Greg Larsen's practice location on file with NPPES is 3710 Sw US Veterans Hospital Rd, Portland, OR 97239-2964.

What is Greg Larsen's phone number?

The practice phone number listed in the NPPES registry for Greg Larsen is (503) 220-8262.

Is Greg Larsen's NPI active?

Yes — Greg Larsen's NPI (1295764504) is active in the NPPES registry as of the last update on 2007-07-10.

IndividualActive

Greg Larsen, M.D.

NPI 1295764504 · Interventional Cardiology Physician · Portland, OR

Greg Larsen, M.D. is a Interventional Cardiology Physician provider in Portland, OR (NPI 1295764504).

Provider details

NPI number: 1295764504
Entity type: Individual
Primary specialty: Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 14496 (OR)

Specialties & taxonomies

Interventional Cardiology PhysicianPrimary207RI0011XLicense 14496 (OR)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

3710 Sw US Veterans Hospital Rd

Cardiology Section, P-3-Card

Portland, OR 97239-2964

Phone: (503) 220-8262

Street-level locationGet directions

More OR providers

Mailing address

Po Box 1034

Portland, OR 97207-1034

Enumerated: 2006-06-30
Last updated: 2007-07-10

Frequently asked questions

What is Greg Larsen's NPI number?: Greg Larsen's National Provider Identifier (NPI) is 1295764504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Greg Larsen's specialty?: Greg Larsen is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
Where is Greg Larsen located?: Greg Larsen's practice location on file with NPPES is 3710 Sw US Veterans Hospital Rd, Portland, OR 97239-2964.
What is Greg Larsen's phone number?: The practice phone number listed in the NPPES registry for Greg Larsen is (503) 220-8262.
Is Greg Larsen's NPI active?: Yes — Greg Larsen's NPI (1295764504) is active in the NPPES registry as of the last update on 2007-07-10.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.