NPPES file of Aug 9, 2026

Sarah Carol Fiallo, MD

Family Medicine Physician · Westport, CT

Sarah Carol Fiallo, MD is a family medicine physician with a practice address in Westport, Connecticut, and NPI 1780189092, issued on Mar 28, 2018. Check the license (Connecticut 69293, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780189092
Name
Sarah Carol Fiallo
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
69293 CT
312916 NY
Self-reported in NPPES; status is on the state search
Practice location
20 Elm St, Westport, CT 06880
Phone
(888) 663-6331
Enumerated
Mar 28, 2018
Record last updated
Aug 26, 2024
Fax
(203) 604-1053
Medicare enrollment
Enrolled (PECOS I20210812001189); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 20 Elm St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alyse Chase, NPFamily Nurse Practitioner1811565757

Verify Sarah Carol Fiallo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 69293
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

97% fewer Medicare Part D claims than the average family medicine physician in 2024

116 Medicare Part D claims for 36 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Sarah Fiallo116
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 93.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%78.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Hhc One Medical, LLCDarien, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sarah Carol Fiallo among 958 family medicine physician records in Connecticut

Sarah Carol Fiallo, MD is one of 958 family medicine physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 78% of them.

  • NPI issued2018 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2015 · median 2009 among the 611 with a school on file
  • Record last updated2024 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 family medicine physician records list a practice address in Westport

They are 10 of the 886 NPPES records with a practice address in Westport, and 958 family medicine physician records in Connecticut.

The 8 family medicine physician records with the nearest ZIP codes

  1. Kyle Custis, M.D.Westport, CT 068801376574178
  2. Rosario Giacomini, D.O.Westport, CT 068801194354761
  3. Christie Jeffries, M.D.Westport, CT 068801831185123
  4. Sachin Modi, M.D.Westport, CT 068801699189670
  5. Casandra Nowicki, M.D.Westport, CT 068801326626839
  6. Anne Rutherford, APRNWestport, CT 068801346357340
  7. Alexandra Stough, MDWestport, CT 068801790273068
  8. Maryam Syed, DOWestport, CT 068801356786537

Common questions

What is Sarah Carol Fiallo, MD's NPI number?

Sarah Carol Fiallo, MD's National Provider Identifier (NPI) is 1780189092, issued on Mar 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Carol Fiallo, MD located?

The NPPES record lists a practice address at 20 Elm St, Westport, CT, 06880. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.

How can I verify Sarah Carol Fiallo, MD's license?

NPPES lists Connecticut license number 69293, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sarah Carol Fiallo, MD prescribe under Medicare Part D?

In 2024, Sarah Carol Fiallo, MD had 116 Medicare Part D claims for 36 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Sarah Carol Fiallo, MD's MIPS final score?

The 2023 MIPS final score is 93.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.