Chen Xie, M.D.
NPI 1528452448 · Rheumatology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chen Xie, M.D. is a Rheumatology Physician provider in Los Angeles, CA (NPI 1528452448).
Provider details
- NPI number
- 1528452448
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1528452448 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
337 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 105 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 90 | $194 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 85 | $137 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 23 | $179 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 22 | $85 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 76 | 28 |
| Hydroxychloroquine Sulfate | 71 | 28 |
| Celecoxib | 68 | 26 |
| Meloxicam | 60 | 24 |
| Lidocaine | 47 | 19 |
| Diclofenac Sodium | 46 | 22 |
| Adalimumabbrand: Humira(cf) Pen | 32 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-28
- Last updated
- 2020-12-21
- Certified
- 2020-12-21
Frequently asked questions
- What is Chen Xie's NPI number?
- Chen Xie's National Provider Identifier (NPI) is 1528452448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chen Xie's specialty?
- Chen Xie is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Chen Xie located?
- Chen Xie's practice location on file with NPPES is 700 W 7th St # S270-D, Los Angeles, CA 90017-3768.
- What is Chen Xie's phone number?
- The practice phone number listed in the NPPES registry for Chen Xie is (213) 988-8380.
- Does Chen Xie accept Medicare?
- Chen Xie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chen Xie's NPI active?
- Yes — Chen Xie's NPI (1528452448) is active in the NPPES registry as of the last update on 2020-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.