William Lee, DO
NPI 1952375966 · Family Medicine Physician · Monterey Park, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Lee, DO is a Family Medicine Physician provider in Monterey Park, CA (NPI 1952375966).
Provider details
- NPI number
- 1952375966
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A5519 (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
20 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
1,556 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 | 1,069 | $99 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 139 | $62 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 60 | $217 |
| Administration of Influenza Virus VaccineG0008 | 40 | $29 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 36 | $122 |
| Complete Ultrasound Scan of Abdomen76700 | 33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 502 | 125 |
| Losartan Potassium | 352 | 100 |
| Amlodipine Besylate | 318 | 78 |
| Azithromycin | 265 | 144 |
| Icosapent Ethylbrand: Vascepa | 226 | 58 |
| Metoprolol Succinate | 223 | 51 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$158 across 7 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
- 2006-02-15
- Last updated
- 2008-01-23
Frequently asked questions
- What is William Lee's NPI number?
- William Lee's National Provider Identifier (NPI) is 1952375966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lee's specialty?
- William Lee is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Lee located?
- William Lee's practice location on file with NPPES is 885 S Atlantic Blvd, Monterey Park, CA 91754-4733.
- What is William Lee's phone number?
- The practice phone number listed in the NPPES registry for William Lee is (626) 281-9111.
- Does William Lee accept Medicare?
- William Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Lee's NPI active?
- Yes — William Lee's NPI (1952375966) is active in the NPPES registry as of the last update on 2008-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.