Eric Weng, M.D.
NPI 1932300456 · Anatomic Pathology & Clinical Pathology Physician · San Leandro, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Weng, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in San Leandro, CA (NPI 1932300456).
Provider details
- NPI number
- 1932300456
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 57007613 (OH)
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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-31
- Last updated
- 2022-02-11
Frequently asked questions
- What is Eric Weng's NPI number?
- Eric Weng's National Provider Identifier (NPI) is 1932300456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Weng's specialty?
- Eric Weng is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Weng located?
- Eric Weng's practice location on file with NPPES is 2500 Merced Street, San Leandro, CA 94577-4201.
- What is Eric Weng's phone number?
- The practice phone number listed in the NPPES registry for Eric Weng is (510) 454-1000.
- Does Eric Weng accept Medicare?
- Eric Weng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Weng's NPI active?
- Yes — Eric Weng's NPI (1932300456) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.