NPPES file of Aug 9, 2026

Jeremy Kortmansky, MD

Hematology & Oncology Physician · Hamden, CT

Jeremy Kortmansky, MD is a hematology & oncology physician with a practice address in Hamden, Connecticut, and NPI 1801835756, issued on Jun 6, 2006. Check the license (Connecticut 043345, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801835756
Name
Jeremy Kortmansky
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
043345 CT
Self-reported in NPPES; status is on the state search
Practice location
2080 Whitney Ave, Hamden, CT 06518
Phone
(203) 407-8002
Enumerated
Jun 6, 2006
Record last updated
Jan 28, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(203) 407-8038
Medicaid ID
001433458 CT
Medicare enrollment
Enrolled (PECOS I20050726000479); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 1996
Telehealth
Offers telehealth (CMS)
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 2080 Whitney Ave

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

  1. Steven Blander, M.DInternal Medicine Physician1881795748
  2. Samuel Bridgers, M.D.Neurology Physician1053303693
  3. Thomas Fynan, MDHematology & Oncology Physician1598706582
  4. Lisa Hoffer, MSN, APRN, FNP-BCFamily Nurse Practitioner1326344151
  5. Andrea Laudano, APRN, MSNWomen's Health Nurse Practitioner1477752020
  6. Joyce Marston, P.T.Physical Therapist1750597761

Verify Jeremy Kortmansky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 043345
    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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57% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

376 Medicare Part D claims for 110 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 40 claims were for opioids.

  1. Jeremy Kortmansky376
  2. Specialty average877

Most prescribed

  1. Ondansetron Odt44 claims
  2. Loperamide35 claims
  3. Sodium Chloride26 claims
  4. Dexamethasone19 claims
  5. Creon17 claims
  6. Lorazepam17 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.

  1. Qualityout of 100 · 30% of the final score75.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%74.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Yale UniversityNew Haven, CT

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

Jeremy Kortmansky among 198 hematology & oncology physician records in Connecticut

Jeremy Kortmansky, MD is one of 198 hematology & oncology physician records with a practice address in Connecticut. 77% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 52% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1996 · median 2003 among the 139 with a school on file
  • Record last updated2013 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Connecticut

There are 198 hematology & oncology physician records in Connecticut.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Eric Bleickardt, MDHamden, CT 065181265746879
  2. Thomas Fynan, MDHamden, CT 065181598706582
  3. Jennifer Afranie-Sakyi, MDNew Haven, CT 065191902369358
  4. Jan Philipp Bewersdorf, MDNew Haven, CT 065191174013601
  5. Jeremy Jacox, MD, PHDNew Haven, CT 065191811424070
  6. Shalin Kothari, MDNew Haven, CT 065191417391525
  7. Karishma Mehra, MDNew Haven, CT 065191861706939
  8. Tarsheen Sethi, MD, MSCINew Haven, CT 065191831417773

Common questions

What is Jeremy Kortmansky, MD's NPI number?

Jeremy Kortmansky, MD's National Provider Identifier (NPI) is 1801835756, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeremy Kortmansky, MD located?

The NPPES record lists a practice address at 2080 Whitney Ave, Hamden, CT, 06518. Phone: (203) 407-8002. Providers update this record themselves, so call before visiting.

How can I verify Jeremy Kortmansky, MD's license?

NPPES lists Connecticut license number 043345, 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 Jeremy Kortmansky, MD prescribe under Medicare Part D?

In 2024, Jeremy Kortmansky, MD had 376 Medicare Part D claims for 110 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Jeremy Kortmansky, MD'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.