Willie Liang, M.D.
NPI 1275989915 · Surgery Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Willie Liang, M.D. is a Surgery Physician provider in Baltimore, MD (NPI 1275989915).
Provider details
- NPI number
- 1275989915
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- P32609 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
273 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) |
|---|---|---|
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 40 | $33 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $92 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 26 | $21 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 26 | $12 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 22 | $14 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,555 across 15 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)
- 2401 W Belvedere AveBaltimore, MD 21215-5216Phone: (410) 601-9386
Registry dates
- Enumerated
- 2016-05-12
- Last updated
- 2022-06-15
- Certified
- 2022-06-15
Frequently asked questions
- What is Willie Liang's NPI number?
- Willie Liang's National Provider Identifier (NPI) is 1275989915, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Willie Liang's specialty?
- Willie Liang is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Willie Liang located?
- Willie Liang's practice location on file with NPPES is 22 S Greene St, Baltimore, MD 21201-1544.
- What is Willie Liang's phone number?
- The practice phone number listed in the NPPES registry for Willie Liang is (410) 328-5840.
- Does Willie Liang accept Medicare?
- Willie Liang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Willie Liang's NPI active?
- Yes — Willie Liang's NPI (1275989915) is active in the NPPES registry as of the last update on 2022-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.