Medicare Enrolled
Dr. Patric Liang, M.D.
Vascular Surgery Physician · Boston, MA
Practice pattern: Clinical Cardiology
— Primarily office-based clinical cardiology
Speaking/Promotional
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Liang from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Liang
Dr. Patric Liang is a vascular surgery physician in Boston, MA, with 12 years of NPI registration. Based on federal Medicare data, Dr. Liang performed 1,471 Medicare services across 1,269 unique beneficiaries.
Between the years covered by Open Payments, Dr. Liang received a total of $2,324 from 4 pharmaceutical and/or device companies across 9 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in vascular surgery physician. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Liang is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
✓ 12 years in practice
▲ Top 20% volume in MA
$2,324 industry payments
Medicare Practice Summary
Medicare Utilization ↗1,471
Medicare services
Top 20% in MA for vascular surgery physician
1,269
Unique beneficiaries
$67
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
~123 Medicare services per year of practice
Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Ultrasound of arm and leg arteries A non-invasive imaging test that uses sound waves to examine the blood vessels in the arms and legs. It evaluates blood flow and checks for blockages or other vascular issues. |
187 | $18 | $70 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
157 | $66 | $233 |
| Ultrasound of leg arteries or grafts An ultrasound exam that uses sound waves to create images of the arteries in one leg or any grafts present in that leg. |
104 | $19 | $76 |
| Ultrasound guidance for blood vessel access Use of ultrasound imaging to help locate and access a blood vessel. This guidance assists healthcare providers in performing procedures such as inserting IV lines or drawing blood. |
85 | $12 | $45 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
84 | $72 | $309 |
| Ultrasound of head and neck blood flow, bilateral An ultrasound exam that uses sound waves to visualize and assess blood flow in the vessels of both the head and the neck. |
78 | $31 | $126 |
| Sedation by physician, initial 15 minutes Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older. |
76 | $10 | $41 |
| Ultrasound of arm and leg arteries This procedure uses sound waves to create images of the blood vessels in the arms and legs. It allows healthcare providers to examine the structure and blood flow within these arteries. |
57 | $9 | $41 |
| Radiologist review of arm or leg artery image A radiologist reviews images of the arteries in the arm or leg. This process involves analyzing the visual data to assess the blood vessels. |
53 | $67 | $271 |
| Ultrasound of leg arteries or grafts An imaging test that uses sound waves to create pictures of the blood vessels in the legs or any surgical grafts present. |
46 | $29 | $124 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
44 | $126 | $563 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
44 | $96 | $437 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in one arm or leg using compression and other maneuvers to assess blood flow and check for blockages. |
40 | $17 | $71 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
38 | $87 | $379 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
34 | $147 | $650 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts A complete ultrasound exam of the aorta, vena cava, groin vessels, or bypass grafts. This imaging test uses sound waves to visualize these blood vessels. |
33 | $27 | $126 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
32 | $148 | $608 |
| Radiologist review of abdominal aorta image A radiologist reviews images of the abdominal aorta to evaluate the blood vessel. |
30 | $54 | $220 |
| Emergency department visit, high complexity An emergency department visit involving a high level of medical decision making. |
30 | $139 | $572 |
| New patient office visit, complex (60-74 min) | 29 | $172 | $742 |
| Balloon angioplasty of leg artery, initial vessel A procedure to widen a narrowed or blocked artery in the leg using a balloon catheter. This is performed on the first vessel treated during the session. |
26 | $425 | $1,724 |
| Hospital follow-up visit, low complexity Follow-up hospital visit for an established patient with straightforward or low-level medical decision making. The visit requires at least 25 minutes of time spent on the day of service. |
26 | $35 | $124 |
| Balloon dilation of leg artery A procedure to widen a narrowed or blocked artery in the leg using a balloon catheter to restore blood flow. |
20 | $305 | $1,417 |
| Arterial catheter insertion, initial second order branch A procedure to insert a tube into a secondary branch of an artery in the abdomen, pelvis, or leg. |
19 | $181 | $809 |
| Groin artery exposure for graft delivery Surgical exposure of the artery in the groin area to allow for the placement or delivery of a graft. |
17 | $104 | $647 |
| Ultrasound of leg arteries at rest and after exercise This test uses sound waves to create images of the blood vessels in the legs while the patient is resting and after physical activity to assess blood flow. |
16 | $19 | $78 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
16 | $110 | $441 |
| Leg artery stent insertion A procedure to place a stent in the arteries of the leg to keep them open and improve blood flow. |
14 | $359 | $1,655 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in the arm or leg. The test uses sound waves to check blood flow and may include compression and other maneuvers. |
13 | $28 | $109 |
| Complete ultrasound of abdomen and pelvis blood flow This procedure uses sound waves to create images of blood flow in the arteries and veins of the abdomen and pelvis. It evaluates the rate and direction of blood movement within these vessels. |
12 | $45 | $273 |
| Emergency department visit, moderate complexity An emergency department visit for an established or new patient involving a moderate level of medical decision making. |
11 | $100 | $393 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. A higher procedure volume generally indicates more experience with that procedure.
4.5% high complexity
43.4% medium
52.1% routine
Industry Payment Transparency
Open Payments through 2024 ↗$2,324
Total received (2018-2024)
Avg $465/year across 5 years
Bottom 39% in MA for vascular surgery physician
4
Companies
9
Individual payments
All payments are legal and publicly reported · Not evidence of wrongdoing · How to interpret →
Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Speaking / Promotional
Speaker programs, honoraria, and industry-sponsored educational events
$2,068 (89.0%)
Meals & Travel
Food, beverages, travel, and lodging — typically low-value
$256 (11.0%)
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$1,498
2023
$29
2020
$124
2019
$130
2018
$544
Payments by company (2024)
Consulting
Speaking
Meals & Travel
Research
Silk Road Medical, Inc.
$1,400
Averitas Pharma Inc.
$53
Smith+Nephew, Inc.
$45
Top 3 companies account for 100.0% of 2024 payments
All-time payments by company (2018-2024) ›
Silk Road Medical, Inc.
$1,530
Medtronic Vascular, Inc.
$668
Smith+Nephew, Inc.
$74
Averitas Pharma Inc.
$53
Top 3 companies account for 97.7% of all-time payments
Associated products mentioned in payments ›
Aptus Heli-FX · ENROUTE Transcarotid Neuroprotection System · Endurant · GRAFIX PL · QUTENZA
Should you be concerned? Payments from pharmaceutical and device companies are legal and common — 57% of U.S. physicians receive at least one. They often reflect legitimate consulting, research, or education. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
The majority of payments (89%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in vascular surgery physician and does not inherently indicate bias, but patients may wish to be aware.
Geographic Context
Vascular surgery physicians within 10 mi
71
Per 100K population
9.1
County median income
$92,859
Nearest hospital
BETH ISRAEL DEACONESS MEDICAL CENTER
0.0 mi
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Liang is a clinical cardiology specialist, with above-average Medicare volume (top 20% in MA), with speaking/promotional industry engagement.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Liang experienced with ultrasound of arm and leg arteries?
Based on Medicare claims data, Dr. Liang performed 187 ultrasound of arm and leg arteries services. Research suggests that higher procedure volume is often associated with better outcomes, particularly for complex procedures. Note that Medicare data only captures patients aged 65 and older, so the total practice volume across all patients is likely higher.
Does Dr. Liang receive payments from pharmaceutical companies?
Yes. Dr. Liang received a total of $2,324 from 4 companies across 9 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common among physicians — 57% of all U.S. physicians receive at least one industry payment. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Liang's costs compare to other vascular surgery physicians in Boston?
Dr. Liang's average Medicare payment per service is $67. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Liang) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating a long track record of practice, Medicare participation, and industry disclosure. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Each data source has its own update cycle. Provider registry data (NPPES) is updated weekly. Medicare enrollment (PECOS) is updated monthly. Medicare practice data has a ~2 year lag — the most recent available is typically 2 years prior. Industry payment data (Open Payments) is published annually, usually in June, covering the prior calendar year. We display the data date prominently on each section so you always know how current it is. See our data freshness policy →
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About this page
All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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