Doctor profile · Federal record

Dr. Mark Cumings, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Military Health Care Provider · Specialist · Olympia, WA

  • NPI 1629132584
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
209Lilly RD Ne
Olympia, WA 98506
(360) 413-8250
fax (360) 413-8830
Additional location
500 Lilly RD Ne, Suite 204
Olympia., WA 985065197

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
April 21, 2021
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Washington #MD00042468

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629132584. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
518
Distinct HCPCS
10
Medicare allowed
$71,378
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 161 161 $121
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 89 88 $244
99213 Established patient office or other outpatient visit, 20-29 minutes 61 50 $90
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 56 53 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 40 39 $124
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 24 24 $112
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 23 23 $139
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 21 $128
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $165
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 14 13 $78

In context: peer comparison

Among 6 peers in this city , average services per provider: 67. This provider delivers 7.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
223
Patients
117
Total drug cost
$100,997
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 62 21 $1,095
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 52 48 $1,041
Omeprazole Generic 37 13 $399
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 24 24 $531
Humira(Cf) Pen (Adalimumab) Brand 13 0 $96,917
Famotidine Generic 12 0 $231
Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 12 11 $218
Spironolactone Generic 11 0 $565

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Cumings's medical specialty?
Dr. Mark Cumings practices Gastroenterology Physician in Olympia, WA.
Where does Dr. Mark Cumings practice?
Dr. Mark Cumings practices at 209Lilly RD Ne, Olympia, WA 98506. Office phone: 3604138250.
What is Dr. Mark Cumings's NPI?
Dr. Mark Cumings's National Provider Identifier (NPI) is 1629132584, issued by NPPES.
Does Dr. Mark Cumings accept Medicare assignment?
Yes. Dr. Mark Cumings accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Cumings commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.