Doctor profile · Federal record

Dr. Graham Sellers, MD

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Denver, CO

  • NPI 1801900089
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1601 E 19Th Ave, Suite 6300
Denver, CO 802181216
(303) 839-5669
fax (303) 839-1216
Mailing address
3333 S Bannock St, Suite 350
Englewood, CO 801102432

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 22, 2021
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Colorado #37025
Medicaid
CO #01370253

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801900089. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
77
Distinct HCPCS
3
Medicare allowed
$19,813
HCPCS Description Services Patients Avg allowed
46500 Injection of hemorrhoid 35 19 $384
99203 New patient office or other outpatient visit, 30-44 minutes 29 29 $133
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $195

In context: peer comparison

Among 3 peers in Denver Colon & Rectal Surgery Physician, average services per provider: 24. This provider delivers 3.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Graham Sellers's medical specialty?
Dr. Graham Sellers practices Colon & Rectal Surgery Physician in Denver, CO.
Where does Dr. Graham Sellers practice?
Dr. Graham Sellers practices at 1601 E 19Th Ave, Denver, CO 802181216. Office phone: 3038395669.
What is Dr. Graham Sellers's NPI?
Dr. Graham Sellers's National Provider Identifier (NPI) is 1801900089, issued by NPPES.
Does Dr. Graham Sellers accept Medicare assignment?
Dr. Graham Sellers does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Graham Sellers commonly perform?
Top Medicare-reported procedures in 2023: Injection of hemorrhoid (HCPCS 46500); New patient office or other outpatient visit (HCPCS 99203); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.