Doctor profile · Federal record
Dr. Marshall McCabe, MD
Gastroenterology Physician (CMS: Gastroenterology) · Olympia, WA
- NPI 1831191162
- Accepts Medicare
- 48 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
406 Black Hills Ln Sw, Ste A
Olympia, WA 985028144
(360) 754-1735
fax (360) 704-3404
Credentials & registration
- NPI registered
- May 2005 — 21 yrs on file
- Profile last updated
- January 27, 2009
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Washington #MD00023393
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831191162. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,217
Distinct HCPCS
10
Medicare allowed
$137,011
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 271 | 214 | $127 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 143 | 141 | $245 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 143 | 58 | $36 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 141 | 123 | $89 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 91 | 90 | $5 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 79 | 79 | $77 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 77 | 77 | $164 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 73 | 73 | $104 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 65 | 65 | $110 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 29 | 28 | $168 |
In context: peer comparison
Among 6 peers in Olympia Gastroenterology Physician, average services per provider: 67. This provider delivers 18× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
811
Patients
251
Total drug cost
$241,653
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 291 | 96 | $5,270 |
| Omeprazole | Generic | 114 | 38 | $2,337 |
| Famotidine | Generic | 113 | 43 | $2,523 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 62 | 60 | $1,164 |
| Colestipol Hcl | Generic | 49 | 14 | $4,112 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 26 | 0 | $433 |
| Xifaxan (Rifaximin) | Brand | 26 | 0 | $79,329 |
| Prednisone | Generic | 18 | 0 | $305 |
| Azathioprine | Generic | 17 | 0 | $1,717 |
| Ozempic (Semaglutide) | Brand | 17 | 0 | $16,843 |
Hospital affiliations
Frequently asked questions
What is Dr. Marshall McCabe's medical specialty?
Dr. Marshall McCabe practices Gastroenterology Physician in Olympia, WA.
Where does Dr. Marshall McCabe practice?
Dr. Marshall McCabe practices at 406 Black Hills Ln Sw, Olympia, WA 985028144. Office phone: 3607541735.
What is Dr. Marshall McCabe's NPI?
Dr. Marshall McCabe's National Provider Identifier (NPI) is 1831191162, issued by NPPES.
Does Dr. Marshall McCabe accept Medicare assignment?
Yes. Dr. Marshall McCabe accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marshall McCabe commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.