Doctor profile · Federal record

Dr. Erik Rieger, M.D.

Surgery Physician (CMS: General Surgery) · Canon City, CO

  • NPI 1245246453
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1335 Phay Avenue, Suite D
Canon City, CO 812122349
(719) 345-3115
fax (719) 345-3331
Mailing address
Po Box 469
Canon City, CO 812150469

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 10, 2015
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Colorado #DR.0047412
Medicaid
KS #100129970B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245246453. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
5
Medicare allowed
$17,845
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $167
99214 Established patient office or other outpatient visit, 30-39 minutes 43 30 $129
45380 Biopsy of large bowel using a flexible endoscope 16 16 $145
99213 Established patient office or other outpatient visit, 20-29 minutes 14 13 $91
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 12 12 $98

In context: peer comparison

Among 1 peers in Canon City Surgery Physician, average services per provider: 26. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
12
Total drug cost
$384
Drug Type Claims Patients Total cost
Omeprazole Generic 22 0 $255
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 12 $63
Dicyclomine Hcl Generic 11 0 $66

Frequently asked questions

Auto-generated from federal data
What is Dr. Erik Rieger's medical specialty?
Dr. Erik Rieger practices Surgery Physician in Canon City, CO.
Where does Dr. Erik Rieger practice?
Dr. Erik Rieger practices at 1335 Phay Avenue, Canon City, CO 812122349. Office phone: 7193453115.
What is Dr. Erik Rieger's NPI?
Dr. Erik Rieger's National Provider Identifier (NPI) is 1245246453, issued by NPPES.
Does Dr. Erik Rieger accept Medicare assignment?
Yes. Dr. Erik Rieger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erik Rieger commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.