Mark L. Blitzer, M.D.
Cardiovascular Disease Physician · New Haven, CT
Mark L. Blitzer, M.D. is a cardiovascular disease physician with a practice address in New Haven, Connecticut, and NPI 1164428207, issued on Jun 23, 2005. Check the license (Connecticut 037730, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark L. Blitzer
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 037730 CT
Self-reported in NPPES; status is on the state search - Practice location
- 330 Orchard St., New Haven, CT 06511
- Phone
- (203) 867-5400
- Enumerated
- Jun 23, 2005
- Record last updated
- Jul 2, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (203) 867-5401
- Medicare enrollment
- Enrolled (PECOS I20040908000730); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 503 in Connecticut → Look up another NPI →
Also registered at 330 Orchard St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gina Giacinto Kessler, R.D.Registered Dietitian1083777247
- Mario Katigbak, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1508048299
- Nimrod Lavi, M.D.Cardiovascular Disease Physician1477641264
- John Musial, PASurgical Physician Assistant1104931443
- Murali Naidu, MDSurgery Physician1962427146
- Paul Oliver, PASurgical Physician Assistant1124132089
Verify Mark L. Blitzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 037730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,026 Medicare Part D claims for 486 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Metoprolol Succinate429 claims
- Eliquis342 claims
- Flecainide Acetate191 claims
- Amiodarone Hcl151 claims
- Xarelto122 claims
- Diltiazem 24hr Er (Cd)94 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,647.37
8 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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 one group practice
- Yale UniversityNorwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark L. Blitzer among 503 cardiovascular disease physician records in Connecticut
Mark L. Blitzer, M.D. is one of 503 cardiovascular disease physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 77% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1991 · median 2000 among the 348 with a school on file
- Record last updated2013 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
96 cardiovascular disease physician records list a practice address in New Haven
They are 96 of the 9,793 NPPES records with a practice address in New Haven, and 503 cardiovascular disease physician records in Connecticut.
All 503 in Connecticut → Every provider in New Haven → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Luis Cruz, M.D.New Haven, CT 065111609810480
- Thomas Donohue, MDNew Haven, CT 065111932116324
- Andre Ghantous, M.D.New Haven, CT 065111790731354
- Sarah Hull, M.D.New Haven, CT 065111831351402
- Costin Ionescu, M.D. PH.DNew Haven, CT 065111063513703
- Nimrod Lavi, M.D.New Haven, CT 065111477641264
- Joyce Oen-Hsiao, M.D.New Haven, CT 065111619159050
- Mark Schoenfeld, M.D.New Haven, CT 065111821094947
Common questions
What is Mark L. Blitzer, M.D.'s NPI number?
Mark L. Blitzer, M.D.'s National Provider Identifier (NPI) is 1164428207, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark L. Blitzer, M.D. located?
The NPPES record lists a practice address at 330 Orchard St., New Haven, CT, 06511. Phone: (203) 867-5400. Providers update this record themselves, so call before visiting.
How can I verify Mark L. Blitzer, M.D.'s license?
NPPES lists Connecticut license number 037730, 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 Mark L. Blitzer, M.D. prescribe under Medicare Part D?
In 2024, Mark L. Blitzer, M.D. had 2,026 Medicare Part D claims for 486 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Mark L. Blitzer, 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.