Nan Ye Lei, DO
NPI 1265936132 · Internal Medicine Physician · South San Francisco, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nan Ye Lei, DO is a Internal Medicine Physician provider in South San Francisco, CA (NPI 1265936132).
Provider details
- NPI number
- 1265936132
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A17890 (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
8 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 26 | $88 |
Typical Medicare-allowed amounts for these services range $88–$88 (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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 44 | 28 |
| Cefpodoxime Proxetil | 43 | 43 |
| Doxycycline Monohydrate | 28 | 28 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 22 |
| Hydralazine Hcl | 22 | 15 |
| Prednisone | 22 | 21 |
| Metoprolol Tartrate | 19 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-23
- Last updated
- 2022-08-16
- Certified
- 2022-08-16
Frequently asked questions
- What is Nan Ye Lei's NPI number?
- Nan Ye Lei's National Provider Identifier (NPI) is 1265936132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nan Ye Lei's specialty?
- Nan Ye Lei is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nan Ye Lei located?
- Nan Ye Lei's practice location on file with NPPES is 1200 El Camino Real, South San Francisco, CA 94080-3208.
- What is Nan Ye Lei's phone number?
- The practice phone number listed in the NPPES registry for Nan Ye Lei is (650) 742-2000.
- Does Nan Ye Lei accept Medicare?
- Nan Ye Lei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nan Ye Lei's NPI active?
- Yes — Nan Ye Lei's NPI (1265936132) is active in the NPPES registry as of the last update on 2022-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.