En-Chia James Liu, M.D.
NPI 1134384647 · Pain Medicine (Anesthesiology) Physician · New York, NY
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
En-Chia James Liu, M.D. is a Pain Medicine (Anesthesiology) Physician provider in New York, NY (NPI 1134384647).
Provider details
- NPI number
- 1134384647
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA08583600 (NJ)
Specialties & taxonomies
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
333 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 308 | $100 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 25 | $156 |
Typical Medicare-allowed amounts for these services range $100–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 262 | 50 |
| Oxycodone Hcl | 242 | 28 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 203 | 26 |
| Meloxicam | 61 | 19 |
| Tramadol Hcl | 51 | 14 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 51 | — |
| Cyclobenzaprine Hcl | 47 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-23
- Last updated
- 2020-01-30
- Certified
- 2020-01-30
Frequently asked questions
- What is En-Chia James Liu's NPI number?
- En-Chia James Liu's National Provider Identifier (NPI) is 1134384647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is En-Chia James Liu's specialty?
- En-Chia James Liu is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is En-Chia James Liu located?
- En-Chia James Liu's practice location on file with NPPES is 423 E 23rd St, New York, NY 10010-5011.
- What is En-Chia James Liu's phone number?
- The practice phone number listed in the NPPES registry for En-Chia James Liu is (212) 686-7500.
- Does En-Chia James Liu accept Medicare?
- En-Chia James Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is En-Chia James Liu's NPI active?
- Yes — En-Chia James Liu's NPI (1134384647) is active in the NPPES registry as of the last update on 2020-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.