Doctor profile · Federal record

Dr. Mark Fiengo, DO

Cardiovascular Disease Physician · Interventional Cardiology Physician · Waterford, CT

  • NPI 1245214220
  • MIPS 81.7 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
196 Parkway S, Suite 103
Waterford, CT 063851234
(860) 443-4383
fax (860) 443-3980
Mailing address
164 Otrobando Ave, Ste B
Norwich, CT 063602116

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
March 10, 2020
Specialty taxonomy
207RC0000X — NUCC code
State licenses (2)
Connecticut #000281 · Connecticut #00281
Medicaid
CT #001002815

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245214220. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,219
Distinct HCPCS
9
Medicare allowed
$86,633
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 426 290 $135
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 301 271 $15
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 279 245 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 90 90 $71
99215 Established patient office or other outpatient visit, 40-54 minutes 46 37 $190
99213 Established patient office or other outpatient visit, 20-29 minutes 26 26 $96
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $177
93308 Ultrasound of heart, follow-up 16 16 $26
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 12 11 $8

In context: peer comparison

Among 5 peers in this city , average services per provider: 132. This provider delivers 9.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,875
Patients
904
Total drug cost
$719,744
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 507 144 $561,810
Metoprolol Succinate Generic 433 134 $11,168
Atorvastatin Calcium Generic 369 115 $6,037
Metoprolol Tartrate Generic 223 78 $3,548
Amlodipine Besylate Generic 190 62 $1,714
Lisinopril Generic 190 63 $1,757
Losartan Potassium Generic 156 48 $2,066
Furosemide Generic 155 56 $1,048
Carvedilol Generic 129 38 $1,719
Rosuvastatin Calcium Generic 105 36 $1,547

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Fiengo's medical specialty?
Dr. Mark Fiengo practices Cardiovascular Disease Physician in Waterford, CT.
Where does Dr. Mark Fiengo practice?
Dr. Mark Fiengo practices at 196 Parkway S, Waterford, CT 063851234. Office phone: 8604434383.
What is Dr. Mark Fiengo's NPI?
Dr. Mark Fiengo's National Provider Identifier (NPI) is 1245214220, issued by NPPES.
What procedures does Dr. Mark Fiengo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.