John Flickinger, MD
NPI 1912945601 · Clinical Pathology/Laboratory Medicine Physician · Madison, WI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Flickinger, MD is a Clinical Pathology/Laboratory Medicine Physician provider in Madison, WI (NPI 1912945601).
Provider details
- NPI number
- 1912945601
- Entity type
- Individual
- Primary specialty
- Clinical Pathology/Laboratory Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 34223 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,787 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 | 896 | $35 |
| Protein Measurement, Serum84165 | 382 | $17 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 305 | $26 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 277 | $17 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 164 | $32 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 106 | $26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Flickinger's NPI number?
- John Flickinger's National Provider Identifier (NPI) is 1912945601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Flickinger's specialty?
- John Flickinger is listed in the NPPES registry with a primary specialty of Clinical Pathology/Laboratory Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Flickinger located?
- John Flickinger's practice location on file with NPPES is 707 S Mills St, Madison, WI 53715-1849.
- What is John Flickinger's phone number?
- The practice phone number listed in the NPPES registry for John Flickinger is (608) 251-6100.
- Does John Flickinger accept Medicare?
- John Flickinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Flickinger's NPI active?
- Yes — John Flickinger's NPI (1912945601) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.