Alton Wong MD, Sc
NPI 1649452699 · Hematology & Oncology Physician · Chicago, IL
Alton Wong MD, Sc is a Hematology & Oncology Physician organization in Chicago, IL (NPI 1649452699).
Provider details
- NPI number
- 1649452699
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alton Wong, President(312) 560-1080
- License
- 042.007690 (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
18 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
- 2007-12-02
- Last updated
- 2009-02-12
Frequently asked questions
- What is Alton Wong MD, Sc's NPI number?
- Alton Wong MD, Sc's National Provider Identifier (NPI) is 1649452699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alton Wong MD, Sc?
- Alton Wong MD, Sc is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Alton Wong MD, Sc located?
- Alton Wong MD, Sc's practice location on file with NPPES is 2600 S Michigan Ave, Chicago, IL 60616-2857.
- What is Alton Wong MD, Sc's phone number?
- The practice phone number listed in the NPPES registry for Alton Wong MD, Sc is (773) 585-1955.
- Who is the authorized official for Alton Wong MD, Sc?
- The authorized official listed on Alton Wong MD, Sc's NPPES record is Alton Wong, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alton Wong MD, Sc's NPI active?
- Yes — Alton Wong MD, Sc's NPI (1649452699) is active in the NPPES registry as of the last update on 2009-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.