Chia-Yi Lee, MD
NPI 1164635108 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chia-Yi Lee, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1164635108).
Provider details
- NPI number
- 1164635108
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A93476 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
26 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 26 | $215 |
Typical Medicare-allowed amounts for these services range $215–$215 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 270 | 87 |
| Tiotropium Bromidebrand: Spiriva Respimat | 116 | 42 |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub | 107 | 40 |
| Tiotropium Br/Olodaterol Hclbrand: Stiolto Respimat | 81 | 25 |
| Budesonide/Formoterol Fumaratebrand: Breyna | 75 | 31 |
| Ciclesonidebrand: Alvesco | 64 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2021-10-16
- Certified
- 2021-10-16
Frequently asked questions
- What is Chia-Yi Lee's NPI number?
- Chia-Yi Lee's National Provider Identifier (NPI) is 1164635108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chia-Yi Lee's specialty?
- Chia-Yi Lee is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chia-Yi Lee located?
- Chia-Yi Lee's practice location on file with NPPES is 8700 Beverly Blvd, Rm 5512, Los Angeles, CA 90048.
- What is Chia-Yi Lee's phone number?
- The practice phone number listed in the NPPES registry for Chia-Yi Lee is (310) 423-5581.
- Does Chia-Yi Lee accept Medicare?
- Chia-Yi Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chia-Yi Lee's NPI active?
- Yes — Chia-Yi Lee's NPI (1164635108) is active in the NPPES registry as of the last update on 2021-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.