Margaret Wu, MD
NPI 1679673768 · Internal Medicine Physician · East Windsor, NJ
Margaret Wu, MD is a Internal Medicine Physician provider in East Windsor, NJ (NPI 1679673768).
Provider details
- NPI number
- 1679673768
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA03121800 (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 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
- 2006-09-25
- Last updated
- 2025-09-11
Frequently asked questions
- What is Margaret Wu's NPI number?
- Margaret Wu's National Provider Identifier (NPI) is 1679673768, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Wu's specialty?
- Margaret Wu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Wu located?
- Margaret Wu's practice location on file with NPPES is 441 US Highway 130, East Windsor, NJ 08520-2710.
- What is Margaret Wu's phone number?
- The practice phone number listed in the NPPES registry for Margaret Wu is (609) 443-5555.
- Is Margaret Wu's NPI active?
- Yes — Margaret Wu's NPI (1679673768) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.