Jian-Jun Wei, M.D.
NPI 1649264813 · Anatomic Pathology Physician · New York, NY
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jian-Jun Wei, M.D. is a Anatomic Pathology Physician provider in New York, NY (NPI 1649264813).
Provider details
- NPI number
- 1649264813
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 228445 (NY)
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
1,408 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 983 | $37 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 159 | $28 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 102 | $35 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 70 | $82 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 49 | $41 |
| Pathology Examination of Tissue Using a Microscope, High Complexity88309 | 20 | $144 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-02
- Last updated
- 2008-05-07
Frequently asked questions
- What is Jian-Jun Wei's NPI number?
- Jian-Jun Wei's National Provider Identifier (NPI) is 1649264813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jian-Jun Wei's specialty?
- Jian-Jun Wei is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Jian-Jun Wei located?
- Jian-Jun Wei's practice location on file with NPPES is 550 1st Ave, New York, NY 10016-6402.
- What is Jian-Jun Wei's phone number?
- The practice phone number listed in the NPPES registry for Jian-Jun Wei is (212) 263-6451.
- Does Jian-Jun Wei accept Medicare?
- Jian-Jun Wei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jian-Jun Wei's NPI active?
- Yes — Jian-Jun Wei's NPI (1649264813) is active in the NPPES registry as of the last update on 2008-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.