Sachin Kumar Majumdar, M.D.
Endocrinology, Diabetes & Metabolism Physician · New Haven, CT
Sachin Kumar Majumdar, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in New Haven, Connecticut, and NPI 1639201650, issued on Mar 12, 2007. Check the license (Connecticut 47223, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sachin Kumar Majumdar
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 47223 CT
0101240909 VA
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 737-1058
- Enumerated
- Mar 12, 2007
- Record last updated
- Oct 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20090831000000); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 214 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cyrena Abbasi, MDStudent in an Organized Health Care Education/Training Program1609703289
- Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
- Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
- Sarah AbdallahPsychiatry Physician1740800952
- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify Sachin Kumar Majumdar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 47223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
942 Medicare Part D claims for 216 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Levothyroxine Sodium376 claims
- Synthroid120 claims
- Methimazole67 claims
- Calcitriol31 claims
- Hydrocortisone30 claims
- Alendronate Sodium23 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 MIPS final score for 2023 (Medicare payment program): 73.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sachin Kumar Majumdar among 214 endocrinology, diabetes & metabolism physician records in Connecticut
Sachin Kumar Majumdar, M.D. is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 46% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2004 · median 2004 among the 145 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Connecticut
There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.
All 214 in Connecticut → Every provider in New Haven → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Priyadarshini Balasubramanian, M.D.New Haven, CT 065101457706426
- Raimund Herzog, M.D.New Haven, CT 065101740412675
- Jing Hughes, MDNew Haven, CT 065101538302765
- Ania Jastreboff, M.D., PH.D.New Haven, CT 065101780788349
- Kasia Lipska, M.D.New Haven, CT 065101699707133
- Beatrice Lupsa, M.D.New Haven, CT 065101083844732
- Urszula Masiukiewicz, MDNew Haven, CT 065101366413007
- Ana Luisa Perdigoto, MDNew Haven, CT 065101174898217
Common questions
What is Sachin Kumar Majumdar, M.D.'s NPI number?
Sachin Kumar Majumdar, M.D.'s National Provider Identifier (NPI) is 1639201650, issued on Mar 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sachin Kumar Majumdar, M.D. located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 737-1058. Providers update this record themselves, so call before visiting.
How can I verify Sachin Kumar Majumdar, M.D.'s license?
NPPES lists Connecticut license number 47223, 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 Sachin Kumar Majumdar, M.D. prescribe under Medicare Part D?
In 2024, Sachin Kumar Majumdar, M.D. had 942 Medicare Part D claims for 216 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Sachin Kumar Majumdar, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 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), 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.