Margaret Chustecki, M.D.
Internal Medicine Physician · Hamden, CT
Margaret Chustecki, M.D. is an internal medicine physician with a practice address in Hamden, Connecticut, and NPI 1215956321, issued on Jul 19, 2006. Check the license (Connecticut 038574, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Margaret Chustecki
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 038574 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1952 Whitney Ave, Hamden, CT 06517
- Phone
- (203) 848-1803
- Enumerated
- Jul 19, 2006
- Record last updated
- Dec 27, 2023
- Fax
- (203) 848-1777
- Medicaid ID
- 001385740 CT
- Medicare enrollment
- Enrolled (PECOS I20031120000197); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 1952 Whitney Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edwin Bernabe, APRNFamily Nurse Practitioner1134421894
- Lisa Bousquet, RDNRegistered Dietitian1982418893
- Laurel Brandon, APRNFamily Nurse Practitioner1770966095
- Jonathan Brier, MDCardiovascular Disease Physician1124029772
- Elizabeth Byrd-Carlson, LMTMassage Therapist1386130433
- Matthew CarterPhysical Therapist1285310698
Verify Margaret Chustecki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 038574Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,338 Medicare Part D claims for 310 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 17 claims were for opioids.
Most prescribed
- Amlodipine Besylate130 claims
- Lisinopril113 claims
- Atorvastatin Calcium107 claims
- Levothyroxine Sodium92 claims
- Rosuvastatin Calcium82 claims
- Metoprolol Succinate81 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): 94.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $43.89
2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Margaret Chustecka Internal Medicine OF Greater New HavenHamden, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Chustecki among 2,623 internal medicine physician records in Connecticut
Margaret Chustecki, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1988 · median 2004 among the 1,646 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 internal medicine physician records list a practice address in Hamden
They are 35 of the 1,410 NPPES records with a practice address in Hamden, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Hamden → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dana Brock, M.D.Hamden, CT 065171396817961
- Roman Khodzinsky, M.D.Hamden, CT 065171922185792
- Joanne Reisch, M.D.Hamden, CT 065171417941519
- Edward Rippel, M.D.Hamden, CT 065171568405454
- Prem Thomas, MDHamden, CT 065171043223555
- Evan Angelus, MDWest Haven, CT 065161538788609
- Renu Bazaz-Kapoor, DOHamden, CT 065181427045954
- Adrian Brooks, MDWest Haven, CT 065161528700515
Common questions
What is Margaret Chustecki, M.D.'s NPI number?
Margaret Chustecki, M.D.'s National Provider Identifier (NPI) is 1215956321, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Chustecki, M.D. located?
The NPPES record lists a practice address at 1952 Whitney Ave, Hamden, CT, 06517. Phone: (203) 848-1803. Providers update this record themselves, so call before visiting.
How can I verify Margaret Chustecki, M.D.'s license?
NPPES lists Connecticut license number 038574, 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 Margaret Chustecki, M.D. prescribe under Medicare Part D?
In 2024, Margaret Chustecki, M.D. had 2,338 Medicare Part D claims for 310 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Margaret Chustecki, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 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.