Doctor profile · Federal record

Dr. James Quackenbush, MD

Family Medicine Physician (CMS: Family Practice) · Sun Prairie, WI

  • NPI 1568488658
  • Accepts Medicare
  • MIPS 77.4 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2501 Ironwood Dr Apt 227
Sun Prairie, WI 535908836
(609) 658-4508

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 22, 2024
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Wisconsin #40227-020

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568488658. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
40
Distinct HCPCS
1
Medicare allowed
$3,407
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 40 40 $85

In context: peer comparison

Among 12 peers in this city , average services per provider: 64. This provider delivers 0.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. James Quackenbush's medical specialty?
Dr. James Quackenbush practices Family Medicine Physician in Sun Prairie, WI.
Where does Dr. James Quackenbush practice?
Dr. James Quackenbush practices at 2501 Ironwood Dr Apt 227, Sun Prairie, WI 535908836. Office phone: 6096584508.
What is Dr. James Quackenbush's NPI?
Dr. James Quackenbush's National Provider Identifier (NPI) is 1568488658, issued by NPPES.
Does Dr. James Quackenbush accept Medicare assignment?
Yes. Dr. James Quackenbush accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Quackenbush commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.