Doctor profile · Federal record

Dr. John Flickinger, MD

Clinical Pathology/Laboratory Medicine Physician (CMS: Pathology) · Madison, WI

  • NPI 1912945601
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
707 S Mills St
Madison, WI 537151849
(608) 251-6100
fax (608) 826-2710

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207ZP0105X — NUCC code
State license (1)
Wisconsin #34223

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912945601. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,180
Distinct HCPCS
10
Medicare allowed
$71,639
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 824 511 $35
88341 Special stained specimen slides to examine tissue, each additional procedure 219 70 $27
84165 Protein measurement, serum 188 154 $17
88342 Special stained specimen slides to examine tissue, initial procedure 145 130 $33
86334 Immunologic analysis technique on serum (immunofixation) 143 115 $17
88112 Cell examination of specimen, selective cellular enhancement technique 98 95 $26
88331 Pathology examination of specimen during surgery, first tissue block 92 38 $59
88360 Microscopic genetic analysis of tumor, manual 86 25 $40
88313 Special stained specimen slides to examine tissue including interpretation and report 75 39 $11
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers 49 49 $79

In context: peer comparison

Among 23 peers in this city , average services per provider: 123. This provider delivers 18× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Flickinger's medical specialty?
Dr. John Flickinger practices Clinical Pathology/Laboratory Medicine Physician in Madison, WI.
Where does Dr. John Flickinger practice?
Dr. John Flickinger practices at 707 S Mills St, Madison, WI 537151849. Office phone: 6082516100.
What is Dr. John Flickinger's NPI?
Dr. John Flickinger's National Provider Identifier (NPI) is 1912945601, issued by NPPES.
Does Dr. John Flickinger accept Medicare assignment?
Yes. Dr. John Flickinger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Flickinger commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Protein measurement, serum (HCPCS 84165). Source: CMS Medicare Physician & Other Practitioners file.