HARRY MA M.D./PHD
NPI 1174763957
Surgery - Vascular Surgery in New London, CT

Q: What is Harry Ma's NPI number?

The NPI number for Harry Ma is 1174763957. It was assigned to this individual provider in the NPPES registry on March 6, 2009.

Q: What is Harry Ma's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Harry Ma was last updated on March 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 06, 2009PECOS EnrolledAccepts Medicare Assignment

2 SHAWS CV STE 203, NEW LONDON, CT 06320(203) 375-2861(203) 375-5615 Get Directions Write a Review

NPPES record last updated: March 10, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 10, 2022, May 17, 2018, Feb 7, 2017 and 1 more (4 updates tracked since 2016).

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About Harry Ma M.d./phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HARRY MA M.D./PHD (NPI 1174763957) is an individual vascular surgery provider in New London, Connecticut, licensed in Connecticut (55618) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with South County Hospital Inc, and maintains a secondary practice location in Westerly.

NPPES Registry Identity

NPI1174763957

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameHARRY MACredential: M.D./PHD

Location Address2 SHAWS CV STE 203New London, CT 06320-4975

Mailing Address6 Research Dr Ste 105Shelton, CT 06484-6228 · (203) 210-6340

Phone(203) 375-2861

Fax(203) 375-5615

Sole ProprietorNo

Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2004

Enumeration DateMarch 6, 2009

Last NPPES UpdateMarch 10, 20224 updates tracked since enumeration

NPPES CertifiedMarch 10, 2022

✔ NPI 1174763957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

Licenses✔ Licensed in CT · 55618✔ Licensed in RI · MD15597

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Also ListedSpecialistTaxonomy 174400000X · License 55618 (CT)

Also ListedSurgeryTaxonomy 208600000X · License 241896 (MA), 248565-1 (NY)

2 SHAWS CV STE 203, New London, CT 06320

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Secondary Practice Location 1

Location 135 Wells St Unit 3Westerly, RI 02891-2962 · Phone (401) 315-9575 · Fax (401) 315-9580

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Harry Ma M.d./phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911043351

PECOS Enrollment IDI20161021001338, I20180427000215

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Harry Ma reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rhode Island Vascular Center, LLC

14 mi

Vascular Surgery

35 WELLS ST UNIT 3
Westerly, RI 02891

Reassigned Medicare billing, Connecticut and Rhode Island enrollments
6 clinicians in this Medicare group

NPI 1427607332 (401) 315-9575

Southern Connecticut Vascular Center, LLC

55 mi

Vascular Surgery

495 HAWLEY LN STE 2A
Stratford, CT 06614

Reassigned Medicare billing, Connecticut enrollment
23 clinicians in this Medicare group

NPI 1033318175 (844) 482-7285

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 25

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,833 services45 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

235 services150 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

140 services117 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

138 services122 patients

Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153

This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.

96 services25 patients

Ultrasound of hemodialysis access 93990

An ultrasound of hemodialysis access is a non-invasive procedure that uses sound waves to create images of your dialysis access site. It helps monitor the access site's health and detect any potential issues like blockages or narrowing.

82 services32 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

80 services80 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

74 services61 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

68 services45 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

67 services53 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

59 services54 patients

Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel 37253

An ultrasound evaluation of a blood vessel is a non-invasive procedure that uses sound waves to create images of your blood vessels. A radiologist reviews these images to check for any abnormalities. If additional vessels need reviewing, the process is repeated.

57 services34 patients

Ultrasound evaluation of blood vessel with review by radiologist, initial vessel 37252

This procedure involves using ultrasound, a safe imaging technique, to examine your blood vessels. The images are then reviewed by a radiologist, a doctor specialized in medical imaging. The process helps identify any abnormalities in your initial vessel.

48 services38 patients

Ultrasound of one leg arteries or artery grafts 93926

An ultrasound of leg arteries or artery grafts is a non-invasive test using sound waves to create images of your blood vessels. This helps doctors assess blood flow, identify blockages, and monitor the health of grafts.

44 services32 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

35 services26 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

35 services28 patients

Review by radiologist of abdominal aorta image 75625

This is a procedure where a radiologist, a doctor specialized in medical imaging, examines an image of your abdominal aorta. The abdominal aorta is the large blood vessel that carries blood to your lower body. The radiologist checks for any abnormalities to ensure your overall vascular health.

27 services23 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

22 services21 patients

Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance 36475

This procedure involves using radiofrequency energy, a type of heat energy, to close off an unhealthy vein in your arm or leg. Imaging guidance helps ensure precise targeting of the vein. This helps improve blood flow by rerouting it through healthier veins.

21 services17 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

19 services19 patients

Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 36902

This procedure involves inserting a needle or tube into your hemodialysis circuit, a system that cleans your blood when your kidneys can't. A balloon is then used to widen a narrow section of this circuit. A radiologist reviews the procedure to ensure accuracy.

17 services13 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

16 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

16 services16 patients

Removal of plaque in arteries of leg 37225

This procedure, known as atherectomy, involves clearing out plaque buildup in the leg arteries. Plaque can restrict blood flow, causing discomfort and potential health issues. A special device is inserted into the artery to carefully remove the plaque, improving blood circulation.

15 services13 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

South County Hospital Inc

Acute Care Hospitals · Wakefield, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410008

Location100 Kenyon AveWakefield, RI 02879 · Washington County

Emergency services Birthing friendly

Westerly Hospital

Acute Care Hospitals · Westerly, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410013

Location25 Wells StreetWesterly, RI 02891 · Washington County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06320 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$93.86 typical visit price

range $60.82 – $183.10

Typical copayment $23.46 (range $15.20 – $45.77)

Most-billed visit code 99203

Established Patient

$75.55 typical visit price

range $19.76 – $149.26

Typical copayment $18.88 (range $4.94 – $37.31)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Harry Ma's NPI number?

The NPI number for Harry Ma is 1174763957. It was assigned to this individual provider in the NPPES registry on March 6, 2009.

Where is Harry Ma located?

Harry Ma practices at 2 Shaws Cv Ste 203, New London, CT 06320. The listed phone number is (203) 375-2861.

What is Harry Ma's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Harry Ma enrolled in Medicare?

Yes. Harry Ma is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Harry Ma's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harry Ma reassigns Medicare benefits to 2 organizations: Rhode Island Vascular Center, LLC (Westerly, RI) and Southern Connecticut Vascular Center, LLC (Stratford, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Harry Ma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Harry Ma accept?

Health plans from Anthem Blue Cross and Blue Shield list Harry Ma as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Harry Ma affiliated with any hospitals?

According to CMS data, Harry Ma is affiliated with South County Hospital Inc and Westerly Hospital.

When was this NPI record last updated?

The NPPES record for Harry Ma was last updated on March 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.