Ranran Zhang, PH.D., M.D.
NPI 1205254539 · Anatomic Pathology & Clinical Pathology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ranran Zhang, PH.D., M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Madison, WI (NPI 1205254539).
Provider details
- NPI number
- 1205254539
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- PH.D., M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036.171342 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,388 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 | 772 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 382 | $26 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 211 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 162 | $32 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 128 | $11 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 92 | $38 |
Practice location
Mailing address
Additional practice locations (4)
- 1045 W Stephenson StFreeport, IL 61032-4864Phone: (815) 599-6000
- 1045 W Stephenson StFreeport, IL 61032-4864Phone: (815) 599-6000
- 8201 E Riverside BlvdRockford, IL 61114-2300Phone: (815) 971-5000
- 1000 Mineral Point AveJanesville, WI 53548-2982Phone: (608) 756-6868
Registry dates
- Enumerated
- 2014-04-03
- Last updated
- 2026-04-01
- Certified
- 2026-04-01
Frequently asked questions
- What is Ranran Zhang's NPI number?
- Ranran Zhang's National Provider Identifier (NPI) is 1205254539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ranran Zhang's specialty?
- Ranran Zhang is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Ranran Zhang located?
- Ranran Zhang's practice location on file with NPPES is Uw Hospital and Clinics 600 Highland Ave H4, Madison, WI 53792-0001.
- What is Ranran Zhang's phone number?
- The practice phone number listed in the NPPES registry for Ranran Zhang is (608) 262-7158.
- Does Ranran Zhang accept Medicare?
- Ranran Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ranran Zhang's NPI active?
- Yes — Ranran Zhang's NPI (1205254539) is active in the NPPES registry as of the last update on 2026-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.