Shan Liu, MD
NPI 1538140058 · Emergency Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shan Liu, MD is a Emergency Medicine Physician provider in Boston, MA (NPI 1538140058).
Provider details
- NPI number
- 1538140058
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 220158 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
515 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 130 | $179 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 127 | $124 |
| Critical Care, First 30-74 Minutes99291 | 91 | $220 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 69 | $181 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 24 | $120 |
| Ultrasound of Heart, Follow-Up93308 | 23 | $26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Shan Liu's NPI number?
- Shan Liu's National Provider Identifier (NPI) is 1538140058, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shan Liu's specialty?
- Shan Liu is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shan Liu located?
- Shan Liu's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Shan Liu's phone number?
- The practice phone number listed in the NPPES registry for Shan Liu is (617) 726-4809.
- Does Shan Liu accept Medicare?
- Shan Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shan Liu's NPI active?
- Yes — Shan Liu's NPI (1538140058) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.