Doctor profile · Federal record

Dr. Harry Ma, M.D./PHD

Vascular Surgery Physician (CMS: Vascular Surgery) · Specialist · Surgery Physician · Surgery Physician · Vascular Surgery Physician · New London, CT

  • NPI 1174763957
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2 Shaws Cv Ste 203
New London, CT 063204975
(203) 375-2861
fax (203) 375-5615
Additional location
35 Wells St Unit 3
Westerly, RI 028912962
(401) 315-9575
fax (401) 315-9580
Mailing address
6 Research Dr Ste 105
Shelton, CT 064846228

Credentials & registration

NPPES · NUCC
NPI registered
March 2009 — 17 yrs on file
Profile last updated
March 10, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State licenses (4)
Connecticut #55618 · Massachusetts #241896 · New York #248565-1 · Rhode Island #MD15597

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174763957. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,366
Distinct HCPCS
10
Medicare allowed
$528,260
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,560 48 $0
93970 Ultrasound study of arm or leg veins with compression and maneuvers 257 236 $205
99213 Established patient office or other outpatient visit, 20-29 minutes 168 137 $95
99214 Established patient office or other outpatient visit, 30-39 minutes 147 106 $134
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 142 97 $129
93925 Ultrasound of leg arteries or artery grafts 113 96 $261
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 97 28 $12
93990 Ultrasound of hemodialysis access 92 36 $139
93880 Ultrasound of both sides of head and neck blood flow 84 73 $205
37253 Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel 81 38 $183

In context: peer comparison

Among 1 peers in this city , average services per provider: 124. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19,146
Transactions
53
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AngioDynamics, Inc. 2 $15,024.77
MIMEDX Group, Inc. 13 $2,549.61
Medtronic, Inc. 5 $298.97
Boston Scientific Corporation 7 $256.37
Endologix LLC 5 $213.43
Janssen Pharmaceuticals, Inc 7 $193.44
Silk Road Medical, Inc. 1 $132.39
Cook Medical LLC 1 $131.92
Inari Medical, Inc. 3 $70.72
Tactile Systems Technology Inc 2 $52.70
E.R. Squibb & Sons, L.L.C. 2 $44.17
Integra LifeSciences Corporation 1 $42.19
Smith+Nephew, Inc. 2 $41.74
CORDIS US CORP. 1 $20.88
ASAHI INTECC USA, INC. 1 $20.19

By nature of payment

Long term medical supply or device loan
$15,000
Food and Beverage
$2,753
Travel and Lodging
$1,393

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
264
Patients
88
Total drug cost
$165,302
Drug Type Claims Patients Total cost
Xarelto (Rivaroxaban) Brand 128 41 $141,594
Clopidogrel (Clopidogrel Bisulfate) Brand 52 25 $1,211
Tramadol Hcl Generic 33 22 $137
Eliquis (Apixaban) Brand 28 0 $21,558
Oxycodone Hcl Generic 12 0 $66
Cilostazol Generic 11 0 $736

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Harry Ma's medical specialty?
Dr. Harry Ma practices Vascular Surgery Physician in New London, CT.
Where does Dr. Harry Ma practice?
Dr. Harry Ma practices at 2 Shaws Cv Ste 203, New London, CT 063204975. Office phone: 2033752861.
What is Dr. Harry Ma's NPI?
Dr. Harry Ma's National Provider Identifier (NPI) is 1174763957, issued by NPPES.
Does Dr. Harry Ma accept Medicare assignment?
Yes. Dr. Harry Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harry Ma commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS 93970); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.