Liying Chen, M.D.
NPI 1124275813 · Hospitalist Physician · Rockville Centre, NY
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liying Chen, M.D. is a Hospitalist Physician provider in Rockville Centre, NY (NPI 1124275813).
Provider details
- NPI number
- 1124275813
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 249635 (NY)
Specialties & taxonomies
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 tenure28% of score
17 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
1,282 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 735 | $87 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 204 | $127 |
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 88 | $50 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 82 | $146 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 59 | $83 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 236 | 54 |
| Gabapentin | 183 | 32 |
| Famotidine | 163 | 37 |
| Levothyroxine Sodium | 120 | 13 |
| Apixabanbrand: Eliquis | 112 | 27 |
| Metoprolol Succinate | 110 | 41 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-25
- Last updated
- 2021-12-23
- Certified
- 2021-12-23
Frequently asked questions
- What is Liying Chen's NPI number?
- Liying Chen's National Provider Identifier (NPI) is 1124275813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liying Chen's specialty?
- Liying Chen is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Liying Chen located?
- Liying Chen's practice location on file with NPPES is 1000 N Village Ave, Rockville Centre, NY 11570-1000.
- What is Liying Chen's phone number?
- The practice phone number listed in the NPPES registry for Liying Chen is (516) 705-2854.
- Does Liying Chen accept Medicare?
- Liying Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liying Chen's NPI active?
- Yes — Liying Chen's NPI (1124275813) is active in the NPPES registry as of the last update on 2021-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.