IndividualActive
Gregory Schimmack, PA-C
NPI 1538355755 · Surgical Physician Assistant · Portland, ME
Provider details
- NPI number
- 1538355755
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA001123 (ME)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
818 Congress St
Maine Heart Surgical Associates
Portland, ME 04102-3112
Phone: (207) 773-8161
Fax: (207) 773-1489
Street-level locationGet directions
Mailing address
301c US Route 1
Scarborough, ME 04074-9701
Registry dates
- Enumerated
- 2007-09-20
- Last updated
- 2012-08-02
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.