Oliver Zhao
NPI 1962204727 · Surgery Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oliver Zhao is a Surgery Physician provider in Chicago, IL (NPI 1962204727).
Provider details
- NPI number
- 1962204727
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 125.085841 (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
1 yr 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
- 2025-03-25
- Last updated
- 2025-06-13
- Certified
- 2025-06-13
Frequently asked questions
- What is Oliver Zhao's NPI number?
- Oliver Zhao's National Provider Identifier (NPI) is 1962204727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oliver Zhao's specialty?
- Oliver Zhao is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Oliver Zhao located?
- Oliver Zhao's practice location on file with NPPES is 251 E Huron St, Chicago, IL 60611-3055.
- What is Oliver Zhao's phone number?
- The practice phone number listed in the NPPES registry for Oliver Zhao is (312) 926-2000.
- Does Oliver Zhao accept Medicare?
- Oliver Zhao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oliver Zhao's NPI active?
- Yes — Oliver Zhao's NPI (1962204727) is active in the NPPES registry as of the last update on 2025-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.