NPPES file of Aug 9, 2026

Justin D. Blasberg, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New Haven, CT

Justin D. Blasberg, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in New Haven, Connecticut, and NPI 1538391883, issued on Aug 20, 2009. Check the license (Connecticut 54799, 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
1538391883
Name
Justin D. Blasberg
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
54799 CT
Self-reported in NPPES; status is on the state search
Practice location
330 Cedar St, New Haven, CT 06510
Phone
(203) 785-4931
Enumerated
Aug 20, 2009
Record last updated
Jun 23, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(203) 737-2163
Medicare enrollment
Enrolled (PECOS I20160316002336); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 2005
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 330 Cedar St

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

  1. Adwoa Adu-Amoako, PAPhysician Assistant1629480207
  2. Nayif Alnaif, M.B.B.S.Plastic Surgery Physician1417213372
  3. Michael Alperovich, MDPlastic Surgery Physician1972762581
  4. Pramod Bonde, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1013192061
  5. Erica Buday De Oliveira Marnet, M.D.Student in an Organized Health Care Education/Training Program1629714365
  6. Jonathan Cardella, M.D., FRCS (C)Vascular Surgery Physician1528348950

Verify Justin D. Blasberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 54799
    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

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89% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

11 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Justin Blasberg11
  2. Specialty average101

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).

Industry payments in 2024: $33,522.81

46 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Justin Blasberg$33,523
  2. Specialty average$7,829

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

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).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Connecticut

There are 79 thoracic surgery (cardiothoracic vascular surgery) physician records in Connecticut.

Other thoracic surgery (cardiothoracic vascular surgery) physician records in Connecticut

  1. Dina Al RameniFarmington, CT1841642931
  2. Ayyaz Ali, MDHartford, CT1023301835
  3. Cristobal Alvarado, MDMeriden, CT1578530333
  4. Muhammad Anwer, MDNew Haven, CT1679941462
  5. Roland Assi, M.D.New Haven, CT1184945800
  6. Charles Beckman, M.D.New Haven, CT1780666800
  7. Nida Bham, M.D.New Haven, CT1669823001
  8. Syed Usman Bin MahmoodNew Haven, CT1558927004
  9. Daniel Boffa, M.D.New Haven, CT1538374962
  10. Pramod Bonde, MDNew Haven, CT1013192061

Common questions

What is Justin D. Blasberg, MD's NPI number?

Justin D. Blasberg, MD's National Provider Identifier (NPI) is 1538391883, issued on Aug 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Justin D. Blasberg, MD located?

The NPPES record lists a practice address at 330 Cedar St, New Haven, CT, 06510. Phone: (203) 785-4931. Providers update this record themselves, so call before visiting.

How can I verify Justin D. Blasberg, MD's license?

NPPES lists Connecticut license number 54799, 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 Justin D. Blasberg, MD prescribe under Medicare Part D?

In 2024, Justin D. Blasberg, MD had 11 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.

What is Justin D. Blasberg, 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.