Michael Chen, M.D.
NPI 1588824700 · Orthopaedic Surgery Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Chen, M.D. is a Orthopaedic Surgery Physician provider in Los Angeles, CA (NPI 1588824700).
Provider details
- NPI number
- 1588824700
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A104171 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 251 | 155 |
| Ondansetron Hcl | 170 | 141 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 159 | 95 |
| Dexamethasone | 139 | 134 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 75 | 60 |
| Ibuprofen | 67 | 26 |
| Amoxicillin | 49 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$152 across 4 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
- 2008-06-11
- Last updated
- 2021-11-17
- Certified
- 2021-11-17
Frequently asked questions
- What is Michael Chen's NPI number?
- Michael Chen's National Provider Identifier (NPI) is 1588824700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Chen's specialty?
- Michael Chen is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Chen located?
- Michael Chen's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90033-1029.
- What is Michael Chen's phone number?
- The practice phone number listed in the NPPES registry for Michael Chen is (323) 226-7210.
- Does Michael Chen accept Medicare?
- Michael Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Chen's NPI active?
- Yes — Michael Chen's NPI (1588824700) is active in the NPPES registry as of the last update on 2021-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.