Doctor profile · Federal record

Dr. Mark Schoenfeld, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Specialist · New Haven, CT

  • NPI 1821094947
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Orchard St, Ste 210
New Haven, CT 065114429
(203) 867-5400
fax (203) 867-5401

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
June 18, 2013
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Connecticut #027186

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821094947. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,209
Distinct HCPCS
10
Medicare allowed
$216,595
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 778 625 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 653 423 $126
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 599 246 $25
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 380 143 $38
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 323 126 $31
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 322 237 $16
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 267 260 $9
93280 Programming of dual lead pacemaker system 130 78 $73
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 115 20 $27
G2066 Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec 91 19 $84

In context: peer comparison

Among 28 peers in this city , average services per provider: 106. This provider delivers 40× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,443
Patients
463
Total drug cost
$792,594
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 407 112 $533,759
Metoprolol Succinate Generic 211 78 $5,312
Flecainide Acetate Generic 122 43 $8,718
Xarelto (Rivaroxaban) Brand 112 37 $153,090
Diltiazem 24hr Er (Cd) (Diltiazem Hcl) Brand 106 36 $5,447
Mexiletine Hcl Generic 80 25 $19,275
Metoprolol Tartrate Generic 74 25 $1,197
Amiodarone Hcl Generic 69 25 $2,418
Multaq (Dronedarone Hcl) Brand 50 11 $60,620
Furosemide Generic 43 15 $227

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Schoenfeld's medical specialty?
Dr. Mark Schoenfeld practices Cardiovascular Disease Physician in New Haven, CT.
Where does Dr. Mark Schoenfeld practice?
Dr. Mark Schoenfeld practices at 330 Orchard St, New Haven, CT 065114429. Office phone: 2038675400.
What is Dr. Mark Schoenfeld's NPI?
Dr. Mark Schoenfeld's National Provider Identifier (NPI) is 1821094947, issued by NPPES.
Does Dr. Mark Schoenfeld accept Medicare assignment?
Yes. Dr. Mark Schoenfeld accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Schoenfeld commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (HCPCS 93296). Source: CMS Medicare Physician & Other Practitioners file.