Barak Gaster
Internal Medicine Physician · Seattle, WA
Barak Gaster is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1811073620, issued on Oct 27, 2006. Check the license (Washington MD00032943, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Barak Gaster
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00032943 WA
Self-reported in NPPES; status is on the state search - Practice location
- Uwmc-Roosevelt, Seattle, WA 98105
- Phone
- (206) 598-8750
- Enumerated
- Oct 27, 2006
- Record last updated
- Nov 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 1811073620 WA
- Medicare enrollment
- Enrolled (PECOS I20100324000063); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at Uwmc-Roosevelt
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Barak Gaster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00032943Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,380 Medicare Part D claims for 145 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Losartan Potassium81 claims
- Atorvastatin Calcium80 claims
- Amlodipine Besylate74 claims
- Simvastatin55 claims
- Lisinopril51 claims
- Levothyroxine Sodium48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barak Gaster among 3,079 internal medicine physician records in Washington
Barak Gaster is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1993 · median 2006 among the 1,852 with a school on file
- Record last updated2012 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Emily Cooper, MDSeattle, WA 981051780614370
- Ellen Mary Cosgrove, MDSeattle, WA 981051174539738
- David Dugdale, M.D.Seattle, WA 981051265529895
- Anne EackerSeattle, WA 981051720164577
- Jaime Friedman, M.D.Seattle, WA 981051619971512
- Vara Kraft, M.D.Seattle, WA 981051174509293
- Frank Mitchell, MDSeattle, WA 981051891804977
- Joan Olson, MDSeattle, WA 981051629070123
Common questions
What is Barak Gaster's NPI number?
Barak Gaster's National Provider Identifier (NPI) is 1811073620, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barak Gaster located?
The NPPES record lists a practice address at Uwmc-Roosevelt, Seattle, WA, 98105. Phone: (206) 598-8750. Providers update this record themselves, so call before visiting.
How can I verify Barak Gaster's license?
NPPES lists Washington license number MD00032943, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Barak Gaster prescribe under Medicare Part D?
In 2024, Barak Gaster had 1,380 Medicare Part D claims for 145 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Barak Gaster's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.