Organization
Chi S Wang MD
Provider's NPPES record last updated: September 11, 2025
Overview
- Entity Type
- Organization
- NPI
- 1295763647
- Primary Specialty
- General Practice
- Practice Location
- Waltham, Massachusetts
- Organization Subpart
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 22, 2026, 1:02 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
General Practice
Allopathic & Osteopathic Physicians
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Taxonomy code 208D00000X Allergy & Immunology
Allergy
Allopathic & Osteopathic Physicians
A physician who specializes in the diagnosis, treatment, and management of allergies.
Taxonomy code 207KA0200XPediatrics
Allopathic & Osteopathic Physicians
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Taxonomy code 208000000X
Provider-Reported License Information
- General Practice (Massachusetts)
- 51559
- Allergy & Immunology (Massachusetts)
- 34072
- Allergy & Immunology (Massachusetts)
- 36270
- Pediatrics (Massachusetts)
- 34072
- General Practice (Massachusetts)
- 34072
- General Practice (Massachusetts)
- 53478
Practice Locations
Practice Location
20 Hope Ave
Suite 208
Waltham, Massachusetts 02453
Phone: (781) 891-1230
Record Information
- Enumeration Date
- June 28, 2006
- Provider's NPPES Record Last Updated
- September 11, 2025
- NPISignal NPPES Dataset
- August 2026
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