Jack Cossman, MD
Dermatology Physician · New Haven, CT
Jack Cossman, MD is a dermatology physician with a practice address in New Haven, Connecticut, and NPI 1912318304, issued on May 19, 2014. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jack Cossman
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MD28358 ME
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 688-4242
- Enumerated
- May 19, 2014
- Record last updated
- Jul 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20180801001581); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- 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 Jack Cossman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average dermatology physician in 2024
395 Medicare Part D claims for 199 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Triamcinolone Acetonide76 claims
- Ketoconazole55 claims
- Clobetasol Propionate52 claims
- Hydrocortisone19 claims
- Fluocinonide14 claims
- Terbinafine Hcl13 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): 98.3 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).
Industry payments in 2024: $416.24
13 payments; by number, the most common kind was food and beverage; the largest payer was Incyte Corporation. The 10,250 providers of this specialty with any payment received $8,544.61 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 2 group practices
- BB Medical And Dermatology IncNew Paltz, NY
- Upper West Side Dermatology PCNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dermatology Physician providers in Connecticut
There are 253 dermatology physician records in Connecticut.
Other dermatology physician records in Connecticut
- Donna Aiudi, M.D.Farmington, CT1902870280
- Michael Albert, M.D.Newington, CT1396842035
- Jeffrey Alter, MDWaterbury, CT1023015542
- Richard Antaya, MDNew Haven, CT1336130715
- Nina Antonov, M.D.Westport, CT1467847582
- Andrew Atton, MDMadison, CT1235124538
- Lihi Atzmony Maoz, MDNew Haven, CT1265299648
- Tanya Ave'Lallemant, MDBristol, CT1861497620
- Laurie Bain, M.D.Vernon, CT1134125834
- Grace Bandow, M.D.Shelton, CT1871709147
Common questions
What is Jack Cossman, MD's NPI number?
Jack Cossman, MD's National Provider Identifier (NPI) is 1912318304, issued on May 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jack Cossman, MD located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.
How can I verify Jack Cossman, 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 Jack Cossman, MD prescribe under Medicare Part D?
In 2024, Jack Cossman, MD had 395 Medicare Part D claims for 199 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Jack Cossman, MD's MIPS final score?
The 2023 MIPS final score is 98.3 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.