Wen Yee Lee, M.D.
NPI 1396701777 · Internal Medicine Physician · Chelmsford, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wen Yee Lee, M.D. is a Internal Medicine Physician provider in Chelmsford, MA (NPI 1396701777).
Provider details
- NPI number
- 1396701777
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 160175 (MA)
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
20 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
350 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 126 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 65 | $107 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 41 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 27 | $8 |
| Bacterial Colony Count, Urine87086 | 19 | $8 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 23 | 21 |
| Prednisone | 16 | 15 |
| Famotidine | 16 | — |
| Cyclobenzaprine Hcl | 16 | — |
| Levothyroxine Sodium | 16 | — |
| Apixabanbrand: Eliquis | 13 | — |
| Potassium Chloride | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2020-11-16
- Certified
- 2020-11-16
Frequently asked questions
- What is Wen Yee Lee's NPI number?
- Wen Yee Lee's National Provider Identifier (NPI) is 1396701777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wen Yee Lee's specialty?
- Wen Yee Lee is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wen Yee Lee located?
- Wen Yee Lee's practice location on file with NPPES is 228 Billerica Rd, Chelmsford, MA 01824-3604.
- What is Wen Yee Lee's phone number?
- The practice phone number listed in the NPPES registry for Wen Yee Lee is (978) 250-6100.
- Does Wen Yee Lee accept Medicare?
- Wen Yee Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wen Yee Lee's NPI active?
- Yes — Wen Yee Lee's NPI (1396701777) is active in the NPPES registry as of the last update on 2020-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.