OrganizationActive
Larry Guerin MD
NPI 1376609875 · Dermatology Physician · Portland, OR
Larry Guerin MD is a Dermatology Physician organization in Portland, OR (NPI 1376609875).
Provider details
- NPI number
- 1376609875
- Entity type
- Organization
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Larry Guerin, Owner(909) 335-8638
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
545 Ne 47th Ave
Suite 306
Portland, OR 97213-2238
Phone: (909) 335-8638
Fax: (909) 335-8644
Street-level locationGet directions
Mailing address
Unit 48
Portland, OR 97208-5000
Registry dates
- Enumerated
- 2006-12-29
- Last updated
- 2008-01-17
Frequently asked questions
- What is Larry Guerin MD's NPI number?
- Larry Guerin MD's National Provider Identifier (NPI) is 1376609875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Larry Guerin MD?
- Larry Guerin MD is classified in the NPPES registry as Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Larry Guerin MD located?
- Larry Guerin MD's practice location on file with NPPES is 545 Ne 47th Ave, Portland, OR 97213-2238.
- What is Larry Guerin MD's phone number?
- The practice phone number listed in the NPPES registry for Larry Guerin MD is (909) 335-8638.
- Who is the authorized official for Larry Guerin MD?
- The authorized official listed on Larry Guerin MD's NPPES record is Larry Guerin, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Larry Guerin MD's NPI active?
- Yes — Larry Guerin MD's NPI (1376609875) is active in the NPPES registry as of the last update on 2008-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.