Doctor profile · Federal record

Dr. Charles Hames, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Walla Walla, WA

  • NPI 1407823701
  • Accepts Medicare
  • 41 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
301 W Poplar St, Suite 210
Walla Walla, WA 993622858
(509) 522-5825
fax (509) 529-3512
Additional location
1270 Lee Blvd
Richland, WA 993524231
(509) 942-3180
fax (509) 943-9722
Additional location
888 Swift Blvd
Richland, WA 993523514
(509) 946-4611
Mailing address
Po Box 32
Liberty Lake, WA 990190032

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
May 21, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Washington #MD60308244 · Pennsylvania #MD042780E
Medicaid (2)
WA #2033501 · OR #500666746

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407823701. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
737
Distinct HCPCS
10
Medicare allowed
$89,617
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 189 180 $79
45380 Biopsy of large bowel using a flexible endoscope 129 129 $117
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 124 123 $125
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 72 47 $78
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 71 71 $242
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 37 34 $118
99214 Established patient office or other outpatient visit, 30-39 minutes 35 32 $124
45378 Diagnostic exam of large bowel using a flexible endoscope 32 30 $174
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 23 22 $119
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $156

In context: peer comparison

Among 1 peers in Walla Walla Gastroenterology Physician, average services per provider: 67. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
297
Patients
128
Total drug cost
$7,664
Drug Type Claims Patients Total cost
Omeprazole Generic 137 64 $2,680
Pantoprazole Sodium Generic 71 24 $1,378
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 26 26 $436
Famotidine Generic 19 0 $578
Sucralfate Generic 19 0 $2,236
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 14 14 $231
Fluconazole Generic 11 0 $126

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Hames's medical specialty?
Dr. Charles Hames practices Gastroenterology Physician in Walla Walla, WA.
Where does Dr. Charles Hames practice?
Dr. Charles Hames practices at 301 W Poplar St, Walla Walla, WA 993622858. Office phone: 5095225825.
What is Dr. Charles Hames's NPI?
Dr. Charles Hames's National Provider Identifier (NPI) is 1407823701, issued by NPPES.
Does Dr. Charles Hames accept Medicare assignment?
Yes. Dr. Charles Hames accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Hames commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.