Doctor profile · Federal record

Dr. Harold Fernandez, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Stony Brook, NY

  • NPI 1720196546
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Nicolls RD, Hsc L19-080
Stony Brook, NY 117948191
(631) 444-1820
fax (631) 444-8963

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 12, 2012
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
New York #197070
Medicaid
NY #02176396

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720196546. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
208
Distinct HCPCS
9
Medicare allowed
$155,140
HCPCS Description Services Patients Avg allowed
33533 Coronary artery bypass using artery graft, 1 graft 40 40 $2,083
33508 Harvest of vein using an endoscope 37 37 $20
33518 Coronary artery bypass using vein or artery graft, 2 grafts 28 28 $515
99213 Established patient office or other outpatient visit, 20-29 minutes 25 23 $106
33361 Replacement of aortic valve through the skin and femoral artery 19 19 $928
99214 Established patient office or other outpatient visit, 30-39 minutes 18 17 $149
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $196
99205 New patient office or other outpatient visit, 60-74 minutes 13 13 $259
33405 Replacement of aortic valve on heart-lung machine 11 11 $2,456

In context: peer comparison

Among 3 peers in Stony Brook Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 32. This provider delivers 6.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$207
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Atricure, INC. 2 $183.02
Cook Medical LLC 1 $23.54

By nature of payment

Food and Beverage
$207

Frequently asked questions

Auto-generated from federal data
What is Dr. Harold Fernandez's medical specialty?
Dr. Harold Fernandez practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Stony Brook, NY.
Where does Dr. Harold Fernandez practice?
Dr. Harold Fernandez practices at 100 Nicolls RD, Stony Brook, NY 117948191. Office phone: 6314441820.
What is Dr. Harold Fernandez's NPI?
Dr. Harold Fernandez's National Provider Identifier (NPI) is 1720196546, issued by NPPES.
Does Dr. Harold Fernandez accept Medicare assignment?
Yes. Dr. Harold Fernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harold Fernandez commonly perform?
Top Medicare-reported procedures in 2023: Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); Harvest of vein using an endoscope (HCPCS 33508); Coronary artery bypass using vein or artery graft, 2 grafts (HCPCS 33518). Source: CMS Medicare Physician & Other Practitioners file.