Bona Ko, M.D.
NPI 1134651938 · Surgery Physician · Chicago, IL
Bona Ko, M.D. is a Surgery Physician provider in Chicago, IL (NPI 1134651938).
Provider details
- NPI number
- 1134651938
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-30
- Last updated
- 2018-12-27
Frequently asked questions
- What is Bona Ko's NPI number?
- Bona Ko's National Provider Identifier (NPI) is 1134651938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bona Ko's specialty?
- Bona Ko is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Bona Ko located?
- Bona Ko's practice location on file with NPPES is 251 E Huron St, Chicago, IL 60611-2908.
- What is Bona Ko's phone number?
- The practice phone number listed in the NPPES registry for Bona Ko is (312) 926-2000.
- Is Bona Ko's NPI active?
- Yes — Bona Ko's NPI (1134651938) is active in the NPPES registry as of the last update on 2018-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.