Doctor profile · Federal record

Dr. Barak Gaster

Internal Medicine Physician (CMS: Internal Medicine) · Seattle, WA

  • NPI 1811073620
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Uwmc-Roosevelt, 4245 Roosevelt Way Ne
Seattle, WA 981056920
(206) 598-8750
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
November 20, 2012
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Washington #MD00032943
Medicaid
WA #1811073620

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811073620. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
5
Medicare allowed
$23,899
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 70 59 $105
99213 Established patient office or other outpatient visit, 20-29 minutes 64 55 $70
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 45 45 $144
99215 Established patient office or other outpatient visit, 40-54 minutes 30 24 $150
99497 Advance care planning, first 30 minutes 14 14 $81

In context: peer comparison

Among 174 peers in this city , average services per provider: 77. This provider delivers 2.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
681
Patients
123
Total drug cost
$57,129
Drug Type Claims Patients Total cost
Losartan Potassium Generic 86 26 $1,504
Amlodipine Besylate Generic 70 21 $598
Levothyroxine Sodium Generic 70 15 $1,295
Atorvastatin Calcium Generic 68 20 $1,190
Simvastatin Generic 58 16 $790
Lisinopril Generic 41 14 $659
Tamsulosin Hcl Generic 37 0 $803
Sertraline Hcl Generic 36 0 $653
Allopurinol Generic 35 0 $244
Metoprolol Succinate Generic 35 11 $993

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Barak Gaster's medical specialty?
Dr. Barak Gaster practices Internal Medicine Physician in Seattle, WA.
Where does Dr. Barak Gaster practice?
Dr. Barak Gaster practices at Uwmc-Roosevelt, Seattle, WA 981056920. Office phone: 2065988750.
What is Dr. Barak Gaster's NPI?
Dr. Barak Gaster's National Provider Identifier (NPI) is 1811073620, issued by NPPES.
Does Dr. Barak Gaster accept Medicare assignment?
Yes. Dr. Barak Gaster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Barak Gaster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.