Registry data as of Aug 27, 2026

Sally Bergwerk, MD

Internal Medicine Physician · Wilton, CT

Sally Bergwerk, MD is an internal medicine physician with a practice address in Wilton, Connecticut, and NPI 1205863560, issued on Jun 26, 2006. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1205863560
Name
Sally Bergwerk
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
372 Danbury RD Ste 197, Wilton, CT 06897
Phone
(203) 762-0024
Enumerated
Jun 26, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 372 Danbury RD Ste 197

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

  1. Bruce Colet, MDInternal Medicine Physician1518547959
  2. Jeremiah Lewis, M.D.Internal Medicine Physician1497747968
  3. Michele Olbrys, P.A.Physician Assistant1164494407
  4. Maria Restrepo, MDInternal Medicine Physician1386607265
  5. Thomas Xu, M.D.Internal Medicine Physician1972881050

Verify Sally Bergwerk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck 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.

26% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,073 Medicare Part D claims for 258 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Sally Bergwerk2,073
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium239 claims
  2. Rosuvastatin Calcium224 claims
  3. Amlodipine Besylate143 claims
  4. Levothyroxine Sodium112 claims
  5. Losartan Potassium77 claims
  6. Lisinopril71 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 practice group's Medicare quality score for 2023: 79.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score73.2
  2. Costout of 100 · 30%57.9
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

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

22 internal medicine physician records list a Wilton practice address

They are 22 of the 435 NPPES records with a Wilton practice address, and 2,830 internal medicine physician records in Connecticut.

Other internal medicine physician records in Connecticut

  1. Christina AbavanaBridgeport, CT1508206574
  2. Hoda Abdel Salam, M.D.New Britain, CT1144509316
  3. Gada Abdelhafiz, MDNew London, CT1467649558
  4. Mahmoud Abdelrahman, MDBridgeport, CT1467072868
  5. Simon Abi-SalehBridgeport, CT1891315529
  6. Gerard Abidor, D.O.Bridgeport, CT1518014539
  7. Richard Abraham, M.D.Canton, CT1023044252
  8. Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
  9. Nila Aburto, MDStamford, CT1396325718
  10. Angelo Accomando, M.D.East Haven, CT1063454247

Common questions

What is Sally Bergwerk, MD's NPI number?

Sally Bergwerk, MD's National Provider Identifier (NPI) is 1205863560, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sally Bergwerk, MD located?

The NPPES record lists a practice address at 372 Danbury RD Ste 197, Wilton, CT, 06897. Phone: (203) 762-0024. Providers update this record themselves, so call before visiting.

How can I verify Sally Bergwerk, MD's license?

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 Sally Bergwerk, MD prescribe under Medicare Part D?

In 2024, Sally Bergwerk, MD had 2,073 Medicare Part D claims for 258 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Sally Bergwerk, MD's Medicare quality score?

The 2023 MIPS final score is 79.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.