Alton Wong, MD
NPI 1982681458 · Hematology & Oncology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alton Wong, MD is a Hematology & Oncology Physician provider in Chicago, IL (NPI 1982681458).
Provider details
- NPI number
- 1982681458
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036059957 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-12-27
- Last updated
- 2016-07-15
Frequently asked questions
- What is Alton Wong's NPI number?
- Alton Wong's National Provider Identifier (NPI) is 1982681458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alton Wong's specialty?
- Alton Wong is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Alton Wong located?
- Alton Wong's practice location on file with NPPES is 5525 S Pulaski Rd, Chicago, IL 60629-4417.
- What is Alton Wong's phone number?
- The practice phone number listed in the NPPES registry for Alton Wong is (773) 585-1955.
- Does Alton Wong accept Medicare?
- Alton Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alton Wong's NPI active?
- Yes — Alton Wong's NPI (1982681458) is active in the NPPES registry as of the last update on 2016-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.