Doctor profile · Federal record

Dr. Andrew Rikkers, DO

Surgery Physician (CMS: General Surgery) · Surgery Physician · Waterloo, IA

  • NPI 1558455386
  • Accepts Medicare
  • 27 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1753 W Ridgeway Ave Ste 107
Waterloo, IA 507014588
(319) 833-5907
Mailing address
Po Box 2758
Waterloo, IA 507042758

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
March 9, 2022
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
Iowa #DO-05746 · Wisconsin #48190
Medicaid
WI #43524200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558455386. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
331
Distinct HCPCS
9
Medicare allowed
$34,641
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 95 46 $45
99213 Established patient office or other outpatient visit, 20-29 minutes 50 49 $83
99203 New patient office or other outpatient visit, 30-44 minutes 47 47 $103
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 36 35 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 32 $121
99212 Established patient office or other outpatient visit, 10-19 minutes 26 24 $52
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 20 19 $214
47562 Removal of gallbladder using an endoscope 13 13 $591
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $119

In context: peer comparison

Among 7 peers in this city , average services per provider: 49. This provider delivers 6.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,231
Transactions
31
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Becton, Dickinson and Company 10 $1,582.15
Phathom Pharmaceuticals, Inc. 7 $244.76
Davol Inc. 2 $119.46
Medtronic, Inc. 1 $62.88
TELA Bio, Inc. 3 $36.30
Kerecis Limited 1 $36.29
Ethicon US, LLC 1 $34.39
CONMED Corporation 1 $29.63
VERTEX PHARMACEUTICALS INCORPORATED 1 $22.67
Boston Scientific Corporation 1 $19.75
Smith+Nephew, Inc. 1 $17.10
Solventum Corporation 1 $13.32
INTUITIVE SURGICAL, INC. 1 $12.33

By nature of payment

Travel and Lodging
$1,370
Food and Beverage
$861

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
322
Patients
243
Total drug cost
$17,646
Drug Type Claims Patients Total cost
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 95 88 $15,941
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 91 89 $538
Omeprazole Generic 84 25 $538
Sucralfate Generic 24 16 $425
Metronidazole Generic 16 14 $20
Erythromycin (Erythromycin Base) Brand 12 11 $184

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Rikkers's medical specialty?
Dr. Andrew Rikkers practices Surgery Physician in Waterloo, IA.
Where does Dr. Andrew Rikkers practice?
Dr. Andrew Rikkers practices at 1753 W Ridgeway Ave Ste 107, Waterloo, IA 507014588. Office phone: 3198335907.
What is Dr. Andrew Rikkers's NPI?
Dr. Andrew Rikkers's National Provider Identifier (NPI) is 1558455386, issued by NPPES.
Does Dr. Andrew Rikkers accept Medicare assignment?
Yes. Dr. Andrew Rikkers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Rikkers commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.