James Leu, M.D.
NPI 1841453677 · Endocrinology, Diabetes & Metabolism Physician · Wyomissing, PA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Leu, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Wyomissing, PA (NPI 1841453677).
Provider details
- NPI number
- 1841453677
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA08383200 (NJ)
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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
695 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 225 | $92 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 126 | $74 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 98 | $124 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 64 | $47 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 58 | $25 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 340 | 103 |
| Methimazole | 239 | 56 |
| Levothyroxine Sodiumbrand: Synthroid | 133 | 38 |
| Alendronate Sodium | 82 | 18 |
| Hydrocortisone | 78 | 16 |
| Semaglutidebrand: Ozempic | 68 | 14 |
| Metformin Hcl | 66 |
Practice location
Mailing address
Additional practice locations (1)
- 330 Ratzer Rd D17Wayne, NJ 07470-7704Phone: (973) 820-5792
Registry dates
- Enumerated
- 2008-07-02
- Last updated
- 2020-11-10
- Certified
- 2020-11-10
Frequently asked questions
- What is James Leu's NPI number?
- James Leu's National Provider Identifier (NPI) is 1841453677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Leu's specialty?
- James Leu is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is James Leu located?
- James Leu's practice location on file with NPPES is 1991 State Hill Rd, Wyomissing, PA 19610-1648.
- What is James Leu's phone number?
- The practice phone number listed in the NPPES registry for James Leu is (484) 628-4270.
- Does James Leu accept Medicare?
- James Leu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Leu's NPI active?
- Yes — James Leu's NPI (1841453677) is active in the NPPES registry as of the last update on 2020-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.