Taylor Zak
NPI 1326507666 · Anatomic Pathology & Clinical Pathology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Taylor Zak is a Anatomic Pathology & Clinical Pathology Physician provider in Chicago, IL (NPI 1326507666).
Provider details
- NPI number
- 1326507666
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- 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 tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
661 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) |
|---|---|---|
| Protein Measurement, Serum84165 | 163 | $18 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 157 | $18 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 84 | $27 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 50 | $36 |
| Flow Cytometry Technique for Dna Or Cell Analysis, 16 Or More Markers88189 | 38 | $84 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 29 | $34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-17
- Last updated
- 2019-05-30
Frequently asked questions
- What is Taylor Zak's NPI number?
- Taylor Zak's National Provider Identifier (NPI) is 1326507666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Taylor Zak's specialty?
- Taylor Zak is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Taylor Zak located?
- Taylor Zak's practice location on file with NPPES is 251 E Huron St, Chicago, IL 60611-2908.
- What is Taylor Zak's phone number?
- The practice phone number listed in the NPPES registry for Taylor Zak is (312) 926-2000.
- Does Taylor Zak accept Medicare?
- Taylor Zak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Taylor Zak's NPI active?
- Yes — Taylor Zak's NPI (1326507666) is active in the NPPES registry as of the last update on 2019-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.