NPPES file of Aug 9, 2026

Lisa T. Chadwick, M.D.

Family Medicine Physician · Willimantic, CT

Lisa T. Chadwick, M.D. is a family medicine physician with a practice address in Willimantic, Connecticut, and NPI 1790765782, issued on Jan 18, 2006. Check the license (Connecticut 79428, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790765782
Name
Lisa T. Chadwick
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
79428 CT
Self-reported in NPPES; status is on the state search
Practice location
40 Mansfield Ave, Willimantic, CT 06226
Phone
(860) 450-7471
Enumerated
Jan 18, 2006
Record last updated
Feb 10, 2026
Medicare enrollment
Enrolled (PECOS I20250314001946); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2000
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.
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Also registered at 40 Mansfield Ave

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

  1. Tia Maria Acosta, M.D.Psychiatry Physician1679582167
  2. Kara Anastasiou, APRN-BCAdult Health Nurse Practitioner1558508861
  3. Carol Annino, DOFamily Medicine Physician1235367541
  4. Naida Arcenas, APRNFamily Nurse Practitioner1861456774
  5. Nicole Bashar, RDHDental Hygienist1982979258
  6. Tara Bergeron, LMSWClinical Social Worker1548870074

Verify Lisa T. Chadwick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 79428
    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.

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65% fewer Medicare Part D claims than the average family medicine physician in 2024

1,243 Medicare Part D claims for 175 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 13 claims were for opioids.

  1. Lisa Chadwick1,243
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate53 claims
  2. Lisinopril53 claims
  3. Levothyroxine Sodium51 claims
  4. Rosuvastatin Calcium49 claims
  5. Gabapentin48 claims
  6. Atorvastatin Calcium34 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.

Industry payments in 2024: $861.44

58 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lisa Chadwick$861.44
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Generations Family Health Center IncWillimantic, CT

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

Lisa T. Chadwick among 958 family medicine physician records in Connecticut

Lisa T. Chadwick, M.D. 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 57% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2000 · median 2009 among the 611 with a school on file
  • Record last updated2026 · 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).

Family Medicine Physician providers in Connecticut

There are 958 family medicine physician records in Connecticut.

The 8 family medicine physician records with the nearest ZIP codes

  1. Carol Annino, DOWillimantic, CT 062261235367541
  2. Richard Brody, MDWillimantic, CT 062261457330912
  3. Nestor Torres, MDWillimantic, CT 062261932163870
  4. Dana Wiseman, M.D.Willimantic, CT 062261811930795
  5. Kevin Boucher, D.O.Abington, CT 062301992869523
  6. David Edelheit, M.D.Coventry, CT 062381558338004
  7. Arleen Sergis, D.O.Coventry, CT 062381467527374
  8. Eunice Asomaning, MDDanielson, CT 062391962758508

Common questions

What is Lisa T. Chadwick, M.D.'s NPI number?

Lisa T. Chadwick, M.D.'s National Provider Identifier (NPI) is 1790765782, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lisa T. Chadwick, M.D. located?

The NPPES record lists a practice address at 40 Mansfield Ave, Willimantic, CT, 06226. Phone: (860) 450-7471. Providers update this record themselves, so call before visiting.

How can I verify Lisa T. Chadwick, M.D.'s license?

NPPES lists Connecticut license number 79428, 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 Lisa T. Chadwick, M.D. prescribe under Medicare Part D?

In 2024, Lisa T. Chadwick, M.D. had 1,243 Medicare Part D claims for 175 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.