Alexander Chen, MD
NPI 1992209225 · Anesthesiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Chen, MD is a Anesthesiology Physician provider in Los Angeles, CA (NPI 1992209225).
Provider details
- NPI number
- 1992209225
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A164536 (CA)
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
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
535 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 164 | $83 |
| 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 | 117 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $119 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 53 | $213 |
| Daily Hospital Management of Continuous Spinal Drug Administration01996 | 35 | $64 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 42 | — |
| Gabapentin | 40 | 18 |
| Oxycodone Hcl | 27 | — |
| Duloxetine Hcl | 23 | — |
| Pregabalin | 20 | — |
| Tramadol Hcl | 18 | 13 |
| Methocarbamol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,908 across 67 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
Registry dates
- Enumerated
- 2018-03-21
- Last updated
- 2024-09-28
- Certified
- 2024-09-28
Frequently asked questions
- What is Alexander Chen's NPI number?
- Alexander Chen's National Provider Identifier (NPI) is 1992209225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Chen's specialty?
- Alexander Chen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Chen located?
- Alexander Chen's practice location on file with NPPES is 1500 San Pablo St Fl 4, Los Angeles, CA 90033-5313.
- What is Alexander Chen's phone number?
- The practice phone number listed in the NPPES registry for Alexander Chen is (323) 442-7400.
- Does Alexander Chen accept Medicare?
- Alexander Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Chen's NPI active?
- Yes — Alexander Chen's NPI (1992209225) is active in the NPPES registry as of the last update on 2024-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.