Sarah P. Greven-Chaousis, PA

  • South Portland, ME
  • General surgeon
NPI1891975827
Medicare services, 2018
14
Part D claims, 2024
18
Affiliated sites
1
Medical group
1
State license
1
Practice address
12 High St Ste 401 Suite 401, Lewiston, ME 04240
Practice phone
Call (207) 795-5767
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Central Maine Medical Center - Lewiston (12 High St)

Multi-specialty group site · Lewiston, Maine

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Sarah P. Greven-Chaousis is a general surgeon in South Portland, Maine

Sarah Greven-Chaousis practices at Central Maine Medical Center - Lewiston (12 High St) in Lewiston, Maine.

Sarah Greven-Chaousis' NPI, 1891975827, was assigned on November 7, 2007. Sarah Greven-Chaousis holds Maine license PA001109.

NPI and contact details
NPI enumeration date
November 7, 2007
NPI status
Active
Practice phone
(207) 795-5767
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Sarah P. Greven-Chaousis practices in Lewiston and South Portland

Sarah Greven-Chaousis' primary practice is Central Maine Medical Center - Lewiston (12 High St), at 12 High St Ste 401 Suite 401, Lewiston, ME 04240. The practice phone is (207) 795-5767. The NPI Registry lists Sarah Greven-Chaousis' practice address as 244 Western Ave, South Portland, ME 04106.

  • Central Maine Medical Center - Lewiston (12 High St)Primary
    12 High St Ste 401 Suite 401, Lewiston, ME 04240Phone(207) 795-5767
  • NPI Registry address
    244 Western Ave, South Portland, ME 04106Phone(207) 775-3446

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Sarah P. Greven-Chaousis is affiliated with 1 site of care and 1 medical group

Sarah Greven-Chaousis' primary practice is Central Maine Medical Center - Lewiston (12 High St) in Lewiston, Maine. The medical group on file is Central Maine Medical Center.

Central Maine Medical Center - Lewiston (12 High St)Multi-specialty group site · Lewiston, MainePrimary
Central Maine Medical CenterPrimary care group, Lewiston, ME

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Sarah P. Greven-Chaousis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sarah Greven-Chaousis practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Central Maine Medical Center - Lewiston (12 High St)Available with a free account

Source: Dmand AI Technology Install Data

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Sarah P. Greven-Chaousis is one of 191 general surgeons in Maine

Surgery is Sarah Greven-Chaousis' primary specialty in the NPI Registry, under taxonomy code 208600000X. Sarah Greven-Chaousis is licensed in Maine.

Specialties and state licenses

  • Surgery, MainePrimaryLicense PA1109 · taxonomy 208600000X

General surgeons near Sarah Greven-Chaousis

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

191general surgeons in Maine
3general surgeons in South Portland

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Sarah P. Greven-Chaousis billed Medicare for 14 services in 2018

CMS data shows 14 Medicare services from Sarah Greven-Chaousis across 1 procedure code in 2018, all of them office visits. Medicare paid $438 for them. Every service was in an office.

Medicare services, 201814
Paid by Medicare$438
Procedure codes1

Sarah Greven-Chaousis' Medicare services by type, 2017 to 2018

  • 2017
  • 2018
Office and hospital visits
2017: 752018: 1481%

Sarah Greven-Chaousis compared with the Maine median for general surgeons, 2018

  • Sarah Greven-Chaousis
  • Maine median
Medicare services
14vs 7882% below
Part D claims
48vs 2778% above

Medians across 191 general surgeons in Maine with Dmand AI profiles that report each measure.

Sarah Greven-Chaousis' most billed Medicare procedure codes, 2018

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Sarah Greven-Chaousis

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Sarah P. Greven-Chaousis' patients have a median age of 60

Across all payers, Dmand AI patient panel data puts Sarah Greven-Chaousis' median patient age at 60, with 67% women.

Sarah Greven-Chaousis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Sarah P. Greven-Chaousis wrote 18 Medicare Part D claims in 2024

In 2024, Sarah Greven-Chaousis wrote 18 Medicare Part D claims for 13 patients. 100% of them were for generic drugs. They cover 2 drugs, with $382 in total drug cost. In 2020, CMS named 66 claims across 3 drugs.

Part D claims, 202418
Drugs named by CMS2
Total drug cost$382
Part D patients13

Sarah Greven-Chaousis' most prescribed drugs by claims, 2021

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 662021: 4827%

Drugs named by CMS: 2 in 2021, 3 in 2020.

See all prescribing by Sarah Greven-Chaousis

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Sources for Sarah P. Greven-Chaousis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sarah P. Greven-Chaousis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sarah P. Greven-Chaousis' NPI number?

Sarah P. Greven-Chaousis' NPI number is 1891975827. It was assigned on November 7, 2007, and it is active in the NPI Registry.

What does Sarah P. Greven-Chaousis specialize in?

Sarah P. Greven-Chaousis is a general surgeon in South Portland, Maine. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Sarah P. Greven-Chaousis practice?

Sarah Greven-Chaousis practices at 12 High St Ste 401 Suite 401, Lewiston, ME 04240. Sarah Greven-Chaousis also practices at 244 Western Ave, South Portland, ME 04106. Sarah Greven-Chaousis' primary practice is Central Maine Medical Center - Lewiston (12 High St) in Lewiston, Maine.

What is Sarah P. Greven-Chaousis' office phone number?

The practice phone on file for Sarah Greven-Chaousis is (207) 795-5767.

What is Sarah P. Greven-Chaousis' medical license number?

Sarah Greven-Chaousis holds Maine license PA001109.

What medical group is Sarah P. Greven-Chaousis part of?

Sarah Greven-Chaousis is linked to Central Maine Medical Center.

Does Sarah P. Greven-Chaousis accept Medicare?

Yes. CMS data shows Sarah Greven-Chaousis billed Medicare for 14 services in 2018.

What services does Sarah P. Greven-Chaousis bill to Medicare?

In 2018, Sarah Greven-Chaousis' most billed Medicare services were office visit, established patient (99213).

What drugs does Sarah P. Greven-Chaousis prescribe most?

In 2021 Medicare Part D data, Sarah Greven-Chaousis' most prescribed drugs by claims were Oxycodone HCl and Cefadroxil.

How long has Sarah P. Greven-Chaousis been practicing?

Sarah Greven-Chaousis graduated from medical school in 2007, 19 years ago.

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