Sarah Greven-Chaousis, PA
NPI 1891975827 · Surgery Physician · South Portland, ME
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Greven-Chaousis, PA is a Surgery Physician provider in South Portland, ME (NPI 1891975827).
Provider details
- NPI number
- 1891975827
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- PA1109 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
4 documented practice locations
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
Mailing address
Additional practice locations (3)
- 12 High StSuite 401Lewiston, ME 04240-7634Phone: (207) 795-5767Fax: (207) 795-2732
- 287 Main St Ste 302Lewiston, ME 04240-7056Phone: (207) 795-6543Fax: (207) 795-0488
- 12 High StSuite 401Lewiston, ME 04240-7634Phone: (207) 795-5767Fax: (207) 795-2732
Registry dates
- Enumerated
- 2007-11-07
- Last updated
- 2018-09-06
Frequently asked questions
- What is Sarah Greven-Chaousis's NPI number?
- Sarah Greven-Chaousis's National Provider Identifier (NPI) is 1891975827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Greven-Chaousis's specialty?
- Sarah Greven-Chaousis is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Greven-Chaousis located?
- Sarah Greven-Chaousis's practice location on file with NPPES is 244 Western Ave, South Portland, ME 04106.
- What is Sarah Greven-Chaousis's phone number?
- The practice phone number listed in the NPPES registry for Sarah Greven-Chaousis is (207) 775-3446.
- Does Sarah Greven-Chaousis accept Medicare?
- Sarah Greven-Chaousis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Greven-Chaousis's NPI active?
- Yes — Sarah Greven-Chaousis's NPI (1891975827) is active in the NPPES registry as of the last update on 2018-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.