Seth Mark Thaler, MD
Nephrology Physician · Olympia, WA
Seth Mark Thaler, MD is a nephrology physician with a practice address in Olympia, Washington, and NPI 1609859602, issued on Nov 22, 2005. Check the license (Washington MD00036388, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Seth Mark Thaler
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- MD00036388 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3525 Ensign RD NE, Olympia, WA 98506
- Phone
- (360) 413-8121
- Enumerated
- Nov 22, 2005
- Record last updated
- Oct 21, 2024
- Fax
- (360) 413-8865
- Medicaid ID
- 8228181 WA
- Medicare enrollment
- Enrolled (PECOS I20100809000955); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 284 in Washington → Look up another NPI →
Also registered at 3525 Ensign RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Horsman, D.P.M.Foot & Ankle Surgery Podiatrist1477574861
- Allison Imel, P.A.-CPhysician Assistant1417354960
- Donald Klein, MDDiagnostic Radiology Physician1578562088
- Michael Matlock, M.D.Infectious Disease Physician1922172592
Verify Seth Mark Thaler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00036388Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average nephrology physician in 2024
1,359 Medicare Part D claims for 128 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Allopurinol78 claims
- Furosemide59 claims
- Amlodipine Besylate54 claims
- Lisinopril53 claims
- Farxiga51 claims
- Losartan Potassium49 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.
Bills Medicare through one group practice
- Memorial Nephrology Associates PLLCOlympia, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Seth Mark Thaler among 284 nephrology physician records in Washington
Seth Mark Thaler, MD is one of 284 nephrology physician records with a practice address in Washington. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1987 · median 2003 among the 213 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Washington
There are 284 nephrology physician records in Washington.
All 284 in Washington → Every provider in Olympia → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Julia Anuras, MDOlympia, WA 985061578536496
- Abayomi BamgbojeOlympia, WA 985061891271276
- Hanan Batarseh, MDOlympia, WA 985061396278149
- Lana Bur, MDOlympia, WA 985061649449919
- Christopher Burtner, MDOlympia, WA 985061720061559
- Tsering Dhondup, MDOlympia, WA 985061942561824
- Russell Leong, DOOlympia, WA 985061881253730
- Vo Nguyen, MDOlympia, WA 985061558344382
Common questions
What is Seth Mark Thaler, MD's NPI number?
Seth Mark Thaler, MD's National Provider Identifier (NPI) is 1609859602, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Seth Mark Thaler, MD located?
The NPPES record lists a practice address at 3525 Ensign RD NE, Olympia, WA, 98506. Phone: (360) 413-8121. Providers update this record themselves, so call before visiting.
How can I verify Seth Mark Thaler, MD's license?
NPPES lists Washington license number MD00036388, 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 Seth Mark Thaler, MD prescribe under Medicare Part D?
In 2024, Seth Mark Thaler, MD had 1,359 Medicare Part D claims for 128 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.