Doctor profile · Federal record

Dr. Jonathan Stem

Surgery Physician (CMS: General Surgery) · Surgery Physician · Madison, WI

  • NPI 1336568096
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
600 Highland Ave
Madison, WI 53792
(608) 263-6400
Additional location
101 Manning Dr
Chapel Hill, NC 275144220
(984) 974-1000

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
October 8, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
North Carolina #2021-01749 · Wisconsin #72843-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336568096. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
80
Distinct HCPCS
3
Medicare allowed
$6,853
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 38 19 $77
99213 Established patient office or other outpatient visit, 20-29 minutes 21 17 $64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 19 $123

In context: peer comparison

Among 27 peers in this city , average services per provider: 51. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$130
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 1 $130.36

By nature of payment

Food and Beverage
$130

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
11
Total drug cost
$22
Drug Type Claims Patients Total cost
Ciprofloxacin Hcl Generic 11 11 $22

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Stem's medical specialty?
Dr. Jonathan Stem practices Surgery Physician in Madison, WI.
Where does Dr. Jonathan Stem practice?
Dr. Jonathan Stem practices at 600 Highland Ave, Madison, WI 53792. Office phone: 6082636400.
What is Dr. Jonathan Stem's NPI?
Dr. Jonathan Stem's National Provider Identifier (NPI) is 1336568096, issued by NPPES.
Does Dr. Jonathan Stem accept Medicare assignment?
Yes. Dr. Jonathan Stem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Stem commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.