Doctor profile · Federal record

Dr. Dana Hemmati, MD

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

  • NPI 1154584241
  • Accepts Medicare
  • 20 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
505 Ne 87Th Ave Ste 301
Vancouver, WA 986641965
(360) 514-7374
fax (360) 514-7384
Additional location
3638 E Southern Ave, Ste C108
Mesa, AZ 852062563
(480) 834-0771
fax (480) 834-1136
Additional location
10000 Se Main St Ste 112
Portland, OR 972162441
(503) 255-3054
fax (503) 255-7651
Mailing address
10000 Se Main St Ste 112
Portland, OR 972162441

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
April 21, 2021
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Washington #MD61139267 · Arizona #47539 · Oregon #MD188736
Medicaid
AZ #834964

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154584241. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
200
Distinct HCPCS
7
Medicare allowed
$28,254
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 51 51 $119
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 46 44 $90
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $161
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 22 22 $247
45380 Biopsy of large bowel using a flexible endoscope 21 21 $67
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 15 15 $247
99215 Established patient office or other outpatient visit, 40-54 minutes 15 15 $178

In context: peer comparison

Among 9 peers in Vancouver Gastroenterology Physician, average services per provider: 34. This provider delivers 5.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
342
Patients
164
Total drug cost
$193,364
Drug Type Claims Patients Total cost
Omeprazole Generic 89 42 $1,584
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 56 55 $1,013
Zenpep (Lipase/Protease/Amylase) Brand 51 18 $187,937
Pantoprazole Sodium Generic 43 18 $933
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 32 31 $619
Famotidine Generic 26 0 $309
Sucralfate Generic 16 0 $556
Ondansetron Odt (Ondansetron) Brand 15 0 $267
Lactulose Generic 14 0 $146

Frequently asked questions

Auto-generated from federal data
What is Dr. Dana Hemmati's medical specialty?
Dr. Dana Hemmati practices Gastroenterology Physician in Vancouver, WA.
Where does Dr. Dana Hemmati practice?
Dr. Dana Hemmati practices at 505 Ne 87Th Ave Ste 301, Vancouver, WA 986641965. Office phone: 3605147374.
What is Dr. Dana Hemmati's NPI?
Dr. Dana Hemmati's National Provider Identifier (NPI) is 1154584241, issued by NPPES.
Does Dr. Dana Hemmati accept Medicare assignment?
Yes. Dr. Dana Hemmati accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dana Hemmati commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.