Doctor profile · Federal record

Dr. Ammar Mahmoud, M.D

Pain Medicine (Anesthesiology) Physician (CMS: Pain Management) · Anesthesiology Physician · Pain Medicine (Anesthesiology) Physician · De Pere, WI

  • NPI 1235578485
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 13 locations across 2 states.

NPPES Updated May 11, 2026
Primary practice
1716 Lawrence Dr Ste 103
De Pere, WI 541159108
(920) 632-6800
fax (920) 632-6806
Wisconsin — 9 locations
Additional location
1501 S Madison St
Appleton, WI 549151846
Additional location
1506 S Oneida St
Appleton, WI 549151305
Additional location
1540 Lyon Dr
Neenah, WI 549565035
Additional location
2130 S Washburn St
Oshkosh, WI 549048949
Additional location
2700 W 9Th Ave Ste 305
Oshkosh, WI 549047865
Additional location
451 E Brooklyn St Ste 1
Chilton, WI 530141595
Additional location
500 S Oakwood RD
Oshkosh, WI 549047944
Additional location
501 Doctors CT
Oshkosh, WI 549012025
(920) 276-8600
Additional location
614 Memorial Dr
Chilton, WI 530141568
Maine — 3 locations
Additional location
360 Broadway
Bangor, ME 044013900
(207) 830-2739
fax (888) 355-6416
Additional location
498 Essex St Ste 102
Bangor, ME 044013990
(207) 830-2739
fax (888) 355-6416
Additional location
925 Union St Ste 2
Bangor, ME 044013051
(207) 830-2739
fax (888) 355-6416

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
December 11, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207LP2900X — NUCC code
State licenses (3)
Maine #MD21879 · Illinois #125063751 · Wisconsin #85747-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235578485. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
702
Distinct HCPCS
10
Medicare allowed
$60,128
HCPCS Description Services Patients Avg allowed
62323 Injection of substance into lower spine canal using imaging guidance 98 81 $92
27096 Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 80 68 $95
99204 New patient office or other outpatient visit, 45-59 minutes 61 61 $125
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 52 42 $12
99203 New patient office or other outpatient visit, 30-44 minutes 48 48 $78
76942 Ultrasonic guidance for needle placement 46 36 $29
99214 Established patient office or other outpatient visit, 30-39 minutes 39 39 $92
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level 34 27 $114
20610 Aspiration and/or injection of fluid from large joint 32 24 $48
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level 32 26 $66

In context: peer comparison

Among 1 peers in this city , average services per provider: 36. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15,968
Transactions
71
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 30 $8,896.05
Boston Scientific Corporation 19 $4,071.66
BIOTRONIK NRO, Inc. 14 $2,276.16
Saluda Medical Americas, Inc. 2 $299.83
PAINTEQ LLC 2 $196.16
SPR Therapeutics, Inc 1 $147.35
Medtronic, Inc. 3 $81.08

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$7,775
Travel and Lodging
$3,225
Food and Beverage
$3,056
Consulting Fee
$1,913

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
24
Total drug cost
$304
Drug Type Claims Patients Total cost
Gabapentin Generic 14 11 $205
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 13 13 $43
Prednisone Generic 12 0 $56

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ammar Mahmoud's medical specialty?
Dr. Ammar Mahmoud practices Pain Medicine (Anesthesiology) Physician in De Pere, WI.
Where does Dr. Ammar Mahmoud practice?
Dr. Ammar Mahmoud practices at 1716 Lawrence Dr Ste 103, De Pere, WI 541159108. Office phone: 9206326800.
What is Dr. Ammar Mahmoud's NPI?
Dr. Ammar Mahmoud's National Provider Identifier (NPI) is 1235578485, issued by NPPES.
Does Dr. Ammar Mahmoud accept Medicare assignment?
Yes. Dr. Ammar Mahmoud accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ammar Mahmoud commonly perform?
Top Medicare-reported procedures in 2023: Injection of substance into lower spine canal using imaging guidance (HCPCS 62323); Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance (HCPCS 27096); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.