Jonathan Cosin, MD
Gynecologic Oncology Physician · New Britain, CT
Jonathan Cosin, MD is a gynecologic oncology physician with a practice address in New Britain, Connecticut, and NPI 1417936139, issued on Jan 11, 2006. Check the license (Connecticut 51253, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan Cosin
- Credential
- MD
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- 51253 CT
Self-reported in NPPES; status is on the state search - Practice location
- 40 Hart St, New Britain, CT 06052
- Phone
- (860) 826-1101
- Enumerated
- Jan 11, 2006
- Record last updated
- Sep 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid IDs
- 006210856 DC
699277300 DC
025810900 DC - Medicare enrollment
- Enrolled (PECOS I20121011000526); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1991
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 27 in Connecticut → Look up another NPI →
Also registered at 40 Hart St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn AckerMental Health Counselor1487464962
- Shanika Albert, LPCCounselor1427672641
- Gladis AnayaClinical Social Worker1669151791
- Renee Annecharico, PHARM. D.Pharmacist1366781940
- Jasmynn ArelSocial Worker1588410062
- Christine Bartus, MDColon & Rectal Surgery Physician1437143617
Verify Jonathan Cosin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 51253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024
41 Medicare Part D claims for 22 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D.
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): 91.3 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).
4 hospitals and group practices
- Hartford HospitalHartford, CT · Acute Care Hospitals4 of 5 stars
- Mhs Primary Care, Inc.Marlborough, CT
- The Charlotte Hungerford HospitalTorrington, CT
- The Hospital OF Central Connecticut AT New Britain General And BradleyNew Britain, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Jonathan Cosin among 27 gynecologic oncology physician records in Connecticut
Jonathan Cosin, MD is one of 27 gynecologic oncology physician records with a practice address in Connecticut. 85% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 48% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1991 · median 2006 among the 20 with a school on file
- Record last updated2012 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in Connecticut
There are 27 gynecologic oncology physician records in Connecticut.
All 27 in Connecticut → Every provider in New Britain → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Xun Zhou, M.D.New Britain, CT 060521033180286
- Molly Brewer, MDFarmington, CT 060301013989615
- Jennifer Jorgensen, MDFarmington, CT 060301023368370
- John Nash, MDFarmington, CT 060301376540906
- Amy Brown, M.D.Hartford, CT 061021518900133
- Margaret Einstein, M.D.Hartford, CT 061021295791705
- Divya Gupta, MDHartford, CT 061051134209695
- Karyn Hansen, MDHartford, CT 061051700020062
Common questions
What is Jonathan Cosin, MD's NPI number?
Jonathan Cosin, MD's National Provider Identifier (NPI) is 1417936139, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Cosin, MD located?
The NPPES record lists a practice address at 40 Hart St, New Britain, CT, 06052. Phone: (860) 826-1101. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Cosin, MD's license?
NPPES lists Connecticut license number 51253, 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 Jonathan Cosin, MD prescribe under Medicare Part D?
In 2024, Jonathan Cosin, MD had 41 Medicare Part D claims for 22 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.
What is Jonathan Cosin, MD's MIPS final score?
The 2023 MIPS final score is 91.3 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.