Doctor profile · Federal record

Dr. Thomas Gamblin, M.D.

Surgical Oncology Physician (CMS: Surgical Oncology) · Surgery Physician · Specialist · Milwaukee, WI

  • NPI 1033182175
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-5020
fax (414) 805-5771

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
December 31, 2025
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
2086X0206X — NUCC code
State license (1)
Wisconsin #54582-20
Medicaid
WI #100009493

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033182175. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
64
Distinct HCPCS
3
Medicare allowed
$5,707
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 32 21 $62
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 18 11 $75
99205 New patient office or other outpatient visit, 60-74 minutes 14 14 $170

In context: peer comparison

Among 5 peers in Milwaukee Surgical Oncology Physician, average services per provider: 21. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,635
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 3 $1,512.98
AstraZeneca Pharmaceuticals Lp 1 $121.83

By nature of payment

Education
$1,500
Food and Beverage
$129
Travel and Lodging
$6

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Gamblin's medical specialty?
Dr. Thomas Gamblin practices Surgical Oncology Physician in Milwaukee, WI.
Where does Dr. Thomas Gamblin practice?
Dr. Thomas Gamblin practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148055020.
What is Dr. Thomas Gamblin's NPI?
Dr. Thomas Gamblin's National Provider Identifier (NPI) is 1033182175, issued by NPPES.
Does Dr. Thomas Gamblin accept Medicare assignment?
Yes. Dr. Thomas Gamblin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Gamblin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.