Bonnie Choy, M.D.
NPI 1316386733 · Cytopathology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bonnie Choy, M.D. is a Cytopathology Physician provider in Chicago, IL (NPI 1316386733).
Provider details
- NPI number
- 1316386733
- Entity type
- Individual
- Primary specialty
- Cytopathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036142114 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,948 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 415 | $28 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 346 | $37 |
| Cell Examination of Specimen, Concentration Technique88108 | 183 | $23 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 163 | $28 |
| Evaluation of Fine Needle Aspirate With Interpretation and Report88173 | 144 | $69 |
| Pathology Cytologic Examination of Specimen During Surgery, Each Additional Site88334 | 131 | $37 |
Practice location
Mailing address
Additional practice locations (1)
- 251 E Huron St Ste 7-220Feinberg PavilionChicago, IL 60611Phone: (312) 926-2446
Registry dates
- Enumerated
- 2013-06-19
- Last updated
- 2019-05-31
Frequently asked questions
- What is Bonnie Choy's NPI number?
- Bonnie Choy's National Provider Identifier (NPI) is 1316386733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bonnie Choy's specialty?
- Bonnie Choy is listed in the NPPES registry with a primary specialty of Cytopathology Physician (Allopathic & Osteopathic Physicians).
- Where is Bonnie Choy located?
- Bonnie Choy's practice location on file with NPPES is 251 E Huron St Ste 7-220, Chicago, IL 60611.
- What is Bonnie Choy's phone number?
- The practice phone number listed in the NPPES registry for Bonnie Choy is (312) 926-2446.
- Does Bonnie Choy accept Medicare?
- Bonnie Choy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bonnie Choy's NPI active?
- Yes — Bonnie Choy's NPI (1316386733) is active in the NPPES registry as of the last update on 2019-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.