Margaret Lee, M.D.
NPI 1326079294 · Endocrinology, Diabetes & Metabolism Physician · Campbell, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Lee, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Campbell, CA (NPI 1326079294).
Provider details
- NPI number
- 1326079294
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A79973 (CA)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
901 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 408 | $154 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 208 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 66 | $110 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 61 | $39 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 55 | $199 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 298 | 106 |
| Levothyroxine Sodiumbrand: Synthroid | 246 | 78 |
| Alendronate Sodium | 157 | 52 |
| Metformin Hcl | 134 | 47 |
| Empagliflozinbrand: Jardiance | 126 | 34 |
| Semaglutidebrand: Ozempic | 93 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$178 across 2 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
Additional practice locations (1)
- 14251 Winchester BlvdSte 200Los Gatos, CA 95032-1811Phone: (408) 426-5540Fax: (510) 974-8322
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2024-04-25
- Certified
- 2024-04-25
Frequently asked questions
- What is Margaret Lee's NPI number?
- Margaret Lee's National Provider Identifier (NPI) is 1326079294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Lee's specialty?
- Margaret Lee is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Lee located?
- Margaret Lee's practice location on file with NPPES is 50 E Hamilton Ave Ste 280, Campbell, CA 95008-0273.
- What is Margaret Lee's phone number?
- The practice phone number listed in the NPPES registry for Margaret Lee is (408) 227-2646.
- Does Margaret Lee accept Medicare?
- Margaret Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Lee's NPI active?
- Yes — Margaret Lee's NPI (1326079294) is active in the NPPES registry as of the last update on 2024-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.