Harry Ma, M.D./PHD
NPI 1174763957 · Vascular Surgery Physician · New London, CT
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harry Ma, M.D./PHD is a Vascular Surgery Physician provider in New London, CT (NPI 1174763957).
Provider details
- NPI number
- 1174763957
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D./PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 55618 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,424 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 235 | $133 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 140 | $94 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 138 | $198 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure, Each Additional 15 Minutes99153 | 96 | $12 |
| Ultrasound of Hemodialysis Access93990 | 82 | $136 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rivaroxabanbrand: Xarelto | 151 | 41 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 94 | 37 |
| Apixabanbrand: Eliquis | 28 | — |
| Cilostazol | 17 | — |
| Tramadol Hcl | 17 | 13 |
| Oxycodone Hcl | 14 | 11 |
| Cephalexin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19,146 across 56 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 35 Wells St Unit 3Westerly, RI 02891-2962Phone: (401) 315-9575Fax: (401) 315-9580
Registry dates
- Enumerated
- 2009-03-06
- Last updated
- 2022-03-10
- Certified
- 2022-03-10
Frequently asked questions
- What is Harry Ma's NPI number?
- Harry Ma's National Provider Identifier (NPI) is 1174763957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harry Ma's specialty?
- Harry Ma is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Harry Ma located?
- Harry Ma's practice location on file with NPPES is 2 Shaws Cv Ste 203, New London, CT 06320-4975.
- What is Harry Ma's phone number?
- The practice phone number listed in the NPPES registry for Harry Ma is (203) 375-2861.
- Does Harry Ma accept Medicare?
- Harry Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harry Ma's NPI active?
- Yes — Harry Ma's NPI (1174763957) is active in the NPPES registry as of the last update on 2022-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.