NPPES file of Aug 9, 2026

Stephanie Diana Prozora, M.D.

Pediatric Hematology & Oncology Physician · New Haven, CT

Stephanie Diana Prozora, M.D. is a pediatric hematology & oncology physician with a practice address in New Haven, Connecticut, and NPI 1235577792, issued on Jun 6, 2013. Check the license (Connecticut 55442, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235577792
Name
Stephanie Diana Prozora
Credential
M.D.
Primary taxonomy
Pediatric Hematology & Oncology Physician 2080P0207X
License number
55442 CT
Self-reported in NPPES; status is on the state search
Practice location
20 York St # T-209, New Haven, CT 06510
Phone
(203) 785-3898
Enumerated
Jun 6, 2013
Record last updated
Mar 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(203) 737-2461
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 20 York St # T-209

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

  1. Rita Abi-RaadAnatomic Pathology & Clinical Pathology Physician1992097273
  2. Neil Aggarwal, MDStudent in an Organized Health Care Education/Training Program1538397203
  3. Asima Ahmad, MD, MPHReproductive Endocrinology Physician1679893069
  4. Rahmat Ali, MDVascular & Interventional Radiology Physician1932490786
  5. Arik Alper, M.D.Pediatric Gastroenterology Physician1366715351
  6. Shelley Amen, M.D., PH.D.Psychiatry Physician1841558616

Verify Stephanie Diana Prozora in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 55442
    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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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).

Stephanie Diana Prozora among 37 pediatric hematology & oncology physician records in Connecticut

Stephanie Diana Prozora, M.D. is one of 37 pediatric hematology & oncology physician records with a practice address in Connecticut. 46% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 68% of them.

  • NPI issued2013 · 68% of these records are older, 27% newer
  • In a Medicare fileYes · 46% of these records are
  • In the CMS Doctors and Clinicians fileNo · 24% of these records are
  • Record last updated2017 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Hematology & Oncology Physician providers in Connecticut

There are 37 pediatric hematology & oncology physician records in Connecticut.

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

  1. Sarah Chirnomas, MDNew Haven, CT 065101326000860
  2. Jodi Forward, MDNew Haven, CT 065101336768936
  3. Tiffany Ho, MDNew Haven, CT 065101760126098
  4. Mary Jane Hogan, MD, MPHNew Haven, CT 065101962572172
  5. Nina Kadan-Lottick, MDNew Haven, CT 065101285618793
  6. Deeksha KatochNew Haven, CT 065101457913469
  7. Asher Marks, MDNew Haven, CT 065101790942670
  8. Farzana Pashankar, MBBSNew Haven, CT 065101700860210

Common questions

What is Stephanie Diana Prozora, M.D.'s NPI number?

Stephanie Diana Prozora, M.D.'s National Provider Identifier (NPI) is 1235577792, issued on Jun 6, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Diana Prozora, M.D. located?

The NPPES record lists a practice address at 20 York St # T-209, New Haven, CT, 06510. Phone: (203) 785-3898. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Diana Prozora, M.D.'s license?

NPPES lists Connecticut license number 55442, 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.

What is Stephanie Diana Prozora, 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.