Doctor profile · Federal record

Dr. Daniel Siker, MD

Anesthesiology Physician (CMS: Anesthesiology) · Pediatric Anesthesiology Physician · Milwaukee, WI

  • NPI 1558315473
  • Accepts Medicare
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9000 W Wisconsin Ave, Pediatric Anesthesiology
Milwaukee, WI 532264874
(414) 266-3560
fax (414) 266-6092

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 10, 2014
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Wisconsin #27322
Medicaid
WI #1558315473

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558315473. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
237
Distinct HCPCS
5
Medicare allowed
$28,472
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 101 100 $134
00811 Anesthesia for other procedure on large bowel using an endoscope 50 50 $114
00142 Anesthesia for lens surgery 37 35 $104
00812 Anesthesia for exam of colon using an endoscope 35 35 $95
00813 Anesthesia for procedure on small and large bowel using an endoscope 14 14 $148

In context: peer comparison

Among 98 peers in Milwaukee Anesthesiology Physician, average services per provider: 36. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,150
Transactions
11
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 3 $273.43
Gilead Sciences, INC. 2 $228.89
Phathom Pharmaceuticals, INC. 2 $223.67
Abbvie INC. 2 $185.22
Madrigal Pharmaceuticals 1 $143.76
Janssen Scientific Affairs, LLC 1 $94.71

By nature of payment

Food and Beverage
$1,150

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Siker's medical specialty?
Dr. Daniel Siker practices Anesthesiology Physician in Milwaukee, WI.
Where does Dr. Daniel Siker practice?
Dr. Daniel Siker practices at 9000 W Wisconsin Ave, Milwaukee, WI 532264874. Office phone: 4142663560.
What is Dr. Daniel Siker's NPI?
Dr. Daniel Siker's National Provider Identifier (NPI) is 1558315473, issued by NPPES.
Does Dr. Daniel Siker accept Medicare assignment?
Yes. Dr. Daniel Siker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Siker commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.