NPPES file of Aug 9, 2026

Stephanie Tjho

Obstetrics & Gynecology Physician · Spokane, WA

Stephanie Tjho is an obstetrics & gynecology physician with a practice address in Spokane, Washington, and NPI 1952798670, issued on Apr 21, 2015. Check the license (Washington MD61434020, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952798670
Name
Stephanie Tjho
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MD61434020 WA
Self-reported in NPPES; status is on the state search
Practice location
101 W 8TH Ave Ste 1100, Spokane, WA 99204
Phone
(509) 474-4060
Enumerated
Apr 21, 2015
Record last updated
Aug 9, 2023
Medicare enrollment
Enrolled (PECOS I20230829001223); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 W 8TH Ave Ste 1100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sheena ByerlyGenetic Counselor (M.S.)1194499434
  2. Alison Grajkowski, M.D.Obstetrics & Gynecology Physician1952676835
  3. Dawn Kopp, M.D.Obstetrics & Gynecology Physician1053639989
  4. Riley McCorkle, RDNRegistered Dietitian1790254969
  5. Kaitlyn MillerGenetic Counselor (M.S.)1437603362
  6. Daniel Zwiesler, M.D.Obstetrics & Gynecology Physician1427001494

Verify Stephanie Tjho in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD61434020
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The MIPS final score for 2023 (Medicare payment program): 96 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.

  1. Qualityout of 100 · 30% of the final score84.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Providence Health And Services WashingtonSpokane, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Obstetrics & Gynecology Physician providers in Washington

There are 1,038 obstetrics & gynecology physician records in Washington.

Other obstetrics & gynecology physician records in Washington

  1. Monica Abbi, MDTacoma, WA1295703650
  2. Hasan Abdessamad, MDBurien, WA1265643472
  3. Daniela Abreu, DOMount Vernon, WA1770169260
  4. Kayla Aczon, ARNPAuburn, WA1093560021
  5. Kristina Adams WaldorfSeattle, WA1659457463
  6. Christen Adkins, MDSeattle, WA1689017956
  7. Richard Agress, M.D.Seattle, WA1215902036
  8. Patricia Agudelo Suarez, MDSeattle, WA1821139445
  9. Homayoun Akhavan-Saraf, M.D.Vancouver, WA1518906916
  10. Chiazor Akusoba, M.D.Issaquah, WA1104261064

Common questions

What is Stephanie Tjho's NPI number?

Stephanie Tjho's National Provider Identifier (NPI) is 1952798670, issued on Apr 21, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Tjho located?

The NPPES record lists a practice address at 101 W 8TH Ave Ste 1100, Spokane, WA, 99204. Phone: (509) 474-4060. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Tjho's license?

NPPES lists Washington license number MD61434020, 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.

What is Stephanie Tjho's MIPS final score?

The 2023 MIPS final score is 96 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.