NPPES file of Aug 9, 2026

Katherine Roberts, DO

Obstetrics & Gynecology Physician · Yakima, WA

Katherine Roberts, DO is an obstetrics & gynecology physician with a practice address in Yakima, Washington, and NPI 1235636648, issued on Apr 11, 2018. Check the license (Washington OP61300099, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235636648
Name
Katherine Roberts
Credential
DO
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
OP61300099 WA
Self-reported in NPPES; status is on the state search
Practice location
2811 Tieton Dr, Yakima, WA 98902
Phone
(509) 575-8000
Enumerated
Apr 11, 2018
Record last updated
Aug 9, 2022
Medicare enrollment
Enrolled (PECOS I20220824003302); accepts Medicare assignment
Medical or professional school
Pacific Nw Un Of Hs, Col Of Osteopathic Medicine, 2018
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 2811 Tieton Dr

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

  1. Amer Abu-KwaikEmergency Medicine Physician1982308672
  2. Shirley Akehurst, ARNPNurse Practitioner1942878046
  3. Farhan Ali, MDInternal Medicine Physician1720548274
  4. Jonathan Alke, M.D.Emergency Medicine Physician1730211376
  5. Jay Ames, MD00015745Emergency Medicine Physician1659454700
  6. Michelle Applegarth, M.S.Genetic Counselor (M.S.)1568520765

Verify Katherine Roberts in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP61300099
    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

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91% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

15 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Katherine Roberts15
  2. Specialty average165

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

  1. Yakima Valley Memorial PhysiciansYakima, WA

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

Katherine Roberts among 1,038 obstetrics & gynecology physician records in Washington

Katherine Roberts, DO is one of 1,038 obstetrics & gynecology physician records with a practice address in Washington. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 88% of them.

  • NPI issued2018 · 88% of these records are older, 10% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2018 · median 2007 among the 582 with a school on file
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Washington

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

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Linda Burdette, PA-CYakima, WA 989021578587044
  2. Bonnie CrouthamelYakima, WA 989021437592573
  3. Anna Dufault, MDYakima, WA 989021962448894
  4. Anna Fulton, ARNPYakima, WA 989021992879860
  5. Judith Hargis, PAYakima, WA 989021164468062
  6. Kevin Harrington, M.D.Yakima, WA 989021417939380
  7. Carly Ingalls, M.D.Yakima, WA 989021245506252
  8. Elizabeth JacobsonYakima, WA 989021326380536

Common questions

What is Katherine Roberts, DO's NPI number?

Katherine Roberts, DO's National Provider Identifier (NPI) is 1235636648, issued on Apr 11, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Roberts, DO located?

The NPPES record lists a practice address at 2811 Tieton Dr, Yakima, WA, 98902. Phone: (509) 575-8000. Providers update this record themselves, so call before visiting.

How can I verify Katherine Roberts, DO's license?

NPPES lists Washington license number OP61300099, 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 Katherine Roberts, DO prescribe under Medicare Part D?

In 2024, Katherine Roberts, DO had 15 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.