Sonwoo Lee, MD
NPI 1336168616 · Rheumatology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonwoo Lee, MD is a Rheumatology Physician provider in Los Angeles, CA (NPI 1336168616).
Provider details
- NPI number
- 1336168616
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A78556 (CA)
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 tenure25% of score
19 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
4,734 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 | 2,249 | $99 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 682 | $5 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 568 | $16 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 290 | $56 |
| Administration of Influenza Virus VaccineG0008 | 191 | $35 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 135 | $219 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 212 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 3,522 | 772 |
| Losartan Potassium | 1,509 | 328 |
| Omeprazole | 1,486 | 369 |
| Amlodipine Besylate | 1,422 | 292 |
| Icosapent Ethylbrand: Vascepa | 1,263 | 211 |
| Metformin Hcl | 1,110 | 220 |
| Lipase/Protease/Amylasebrand: Creon |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$135 across 5 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
- 2006-07-18
- Last updated
- 2014-05-20
Frequently asked questions
- What is Sonwoo Lee's NPI number?
- Sonwoo Lee's National Provider Identifier (NPI) is 1336168616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonwoo Lee's specialty?
- Sonwoo Lee is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sonwoo Lee located?
- Sonwoo Lee's practice location on file with NPPES is 505 S Virgil Ave, Los Angeles, CA 90020-1415.
- What is Sonwoo Lee's phone number?
- The practice phone number listed in the NPPES registry for Sonwoo Lee is (213) 739-0007.
- Does Sonwoo Lee accept Medicare?
- Sonwoo Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonwoo Lee's NPI active?
- Yes — Sonwoo Lee's NPI (1336168616) is active in the NPPES registry as of the last update on 2014-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.