Tasha Yvonne Marenbach, M.D.
Family Medicine Physician · Olympia, WA
Tasha Yvonne Marenbach, M.D. is a family medicine physician with a practice address in Olympia, Washington, and NPI 1285926816, issued on May 16, 2011. Check the license (Washington MD60770417, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Tasha Yvonne Marenbach
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD60770417 WA
A 116641 CA
Self-reported in NPPES; status is on the state search - Practice location
- 525 Lilly RD NE # 204, Olympia, WA 98506
- Phone
- (360) 493-7230
- Enumerated
- May 16, 2011
- Record last updated
- Mar 24, 2026
- Fax
- (360) 493-4180
- Medicare enrollment
- Enrolled (PECOS I20180920002924); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 525 Lilly RD NE # 204
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Azra Rahim, M.D.Family Medicine Physician1447459888
Verify Tasha Yvonne Marenbach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60770417Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
98 Medicare Part D claims for 66 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Providence Health And Services - WashingtonColville, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tasha Yvonne Marenbach among 5,534 family medicine physician records in Washington
Tasha Yvonne Marenbach, M.D. is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 62% of them.
- NPI issued2011 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2007 · median 2009 among the 3,294 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
155 family medicine physician records list a practice address in Olympia
They are 155 of the 5,034 NPPES records with a practice address in Olympia, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Olympia → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marina Berndt, MDOlympia, WA 985061346290244
- Kevin Braun, M.D.Olympia, WA 985061407890023
- Lowell Dightman, M.D.Olympia, WA 985061033110937
- Brian Fox, DOOlympia, WA 985061073505020
- Kevin Haughton, M.D.Olympia, WA 985061386645281
- Sarah Hulsey, M.D.Olympia, WA 985061447253596
- Lisa Johnson, M.D.Olympia, WA 985061316948227
- Margaret Miller, M.D.Olympia, WA 985061699776336
Common questions
What is Tasha Yvonne Marenbach, M.D.'s NPI number?
Tasha Yvonne Marenbach, M.D.'s National Provider Identifier (NPI) is 1285926816, issued on May 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Tasha Yvonne Marenbach, M.D. located?
The NPPES record lists a practice address at 525 Lilly RD NE # 204, Olympia, WA, 98506. Phone: (360) 493-7230. Providers update this record themselves, so call before visiting.
How can I verify Tasha Yvonne Marenbach, M.D.'s license?
NPPES lists Washington license number MD60770417, 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 Tasha Yvonne Marenbach, M.D. prescribe under Medicare Part D?
In 2024, Tasha Yvonne Marenbach, M.D. had 98 Medicare Part D claims for 66 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.