Guliz Barkan, MD
NPI 1679654040 · Cytopathology Physician · Maywood, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guliz Barkan, MD is a Cytopathology Physician provider in Maywood, IL (NPI 1679654040).
Provider details
- NPI number
- 1679654040
- Entity type
- Individual
- Primary specialty
- Cytopathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Speech-Language Pathologist235Z00000X
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,921 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 533 | $36 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 412 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 273 | $27 |
| Evaluation of Fine Needle Aspirate With Interpretation and Report88173 | 143 | $68 |
| Pap Test, Evaluation of Fine Needle Aspirate, Immediate, Each Additional Evaluation Episode88177 | 96 | $21 |
| Evaluation of Fine Needle Aspirate88172 | 91 | $34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2008-04-11
Frequently asked questions
- What is Guliz Barkan's NPI number?
- Guliz Barkan's National Provider Identifier (NPI) is 1679654040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guliz Barkan's specialty?
- Guliz Barkan is listed in the NPPES registry with a primary specialty of Cytopathology Physician (Allopathic & Osteopathic Physicians).
- Where is Guliz Barkan located?
- Guliz Barkan's practice location on file with NPPES is Loyola University Medical Center, Maywood, IL 60153.
- What is Guliz Barkan's phone number?
- The practice phone number listed in the NPPES registry for Guliz Barkan is (708) 216-9000.
- Does Guliz Barkan accept Medicare?
- Guliz Barkan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guliz Barkan's NPI active?
- Yes — Guliz Barkan's NPI (1679654040) is active in the NPPES registry as of the last update on 2008-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.