Doctor profile · Federal record

Dr. Mark Reichelderfer, MD

Gastroenterology Physician (CMS: Gastroenterology) · Madison, WI

  • NPI 1699736512
  • 52 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
513 Ozark Trl
Madison, WI 537052538
(608) 238-8235

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
December 29, 2025
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Wisconsin #21068

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699736512. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87
Distinct HCPCS
2
Medicare allowed
$6,158
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 61 40 $62
99214 Established patient office or other outpatient visit, 30-39 minutes 26 22 $92

In context: peer comparison

Among 20 peers in this city , average services per provider: 38. This provider delivers 2.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
144
Patients
12
Total drug cost
$16,174
Drug Type Claims Patients Total cost
Omeprazole Generic 26 0 $440
Dicyclomine Hcl Generic 24 12 $892
Balsalazide Disodium Generic 21 0 $4,971
Loperamide (Loperamide Hcl) Brand 20 0 $3,122
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 15 0 $1,382
Ondansetron Odt (Ondansetron) Brand 15 0 $10
Mesalamine Generic 12 0 $5,114
Famotidine Generic 11 0 $243

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Reichelderfer's medical specialty?
Dr. Mark Reichelderfer practices Gastroenterology Physician in Madison, WI.
Where does Dr. Mark Reichelderfer practice?
Dr. Mark Reichelderfer practices at 513 Ozark Trl, Madison, WI 537052538. Office phone: 6082388235.
What is Dr. Mark Reichelderfer's NPI?
Dr. Mark Reichelderfer's National Provider Identifier (NPI) is 1699736512, issued by NPPES.
Does Dr. Mark Reichelderfer accept Medicare assignment?
Dr. Mark Reichelderfer does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Mark Reichelderfer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.