NPPES file of Aug 9, 2026

Robert Blake Harding, PA-S

Physician Assistant · Ellensburg, WA

Robert Blake Harding, PA-S is a physician assistant with a practice address in Ellensburg, Washington, and NPI 1144999509, issued on Sep 9, 2021. Check the license with the Washington board that licenses this profession; 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
1144999509
Name
Robert Blake Harding
Credential
PA-S
Primary taxonomy
Physician Assistant 363A00000X
Practice location
100 E Jackson Ave, Ellensburg, WA 98926
Phone
(509) 933-8777
Enumerated
Sep 9, 2021
Record last updated
Sep 7, 2023
Medicare enrollment
Enrolled (PECOS I20230926002498); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2022
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 100 E Jackson Ave

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

  1. Hope Beam, APRNFamily Nurse Practitioner1679162267
  2. Zoe Birt, PA-CPhysician Assistant1174282768
  3. Jennifer Bryan, DONeuromusculoskeletal Medicine & OMM Physician1558090878
  4. Nicholas Gray, PT, DPTPhysical Therapist1528514072
  5. Cheri Harrell, DPTPhysical Therapist1568802593
  6. Joseph Nebeker, PAPhysician Assistant1386374619

Verify Robert Blake Harding in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck 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
Find the Washington license search

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2.0 times the Medicare Part D claims of the average physician assistant in 2024

1,687 Medicare Part D claims for 209 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 89 claims were for opioids.

  1. Robert Harding1,687
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium95 claims
  2. Losartan Potassium75 claims
  3. Lisinopril67 claims
  4. Levothyroxine Sodium64 claims
  5. Meloxicam60 claims
  6. Amlodipine Besylate55 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

  1. Kittitas County Public Hospital Dist 1Ellensburg, WA

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

Robert Blake Harding among 3,718 physician assistant records in Washington

Robert Blake Harding, PA-S is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 77% of them.

  • NPI issued2021 · 77% of these records are older, 17% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2022 · median 2017 among the 2,460 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 physician assistant records list a practice address in Ellensburg

They are 17 of the 676 NPPES records with a practice address in Ellensburg, and 3,718 physician assistant records in Washington.

The 8 physician assistant records with the nearest ZIP codes

  1. Mark Barbin, PAEllensburg, WA 989261629425566
  2. Ryan Beachy, PA-CEllensburg, WA 989261376555664
  3. Teresa Beckett, ARNP, PA-CEllensburg, WA 989261396704524
  4. Kelly Behne, PA-CEllensburg, WA 989261659794923
  5. Roberta Buum, PA-CEllensburg, WA 989261700830155
  6. Amy Claussen, PAEllensburg, WA 989261639664337
  7. Cynthia Fox, PA-CEllensburg, WA 989261407982994
  8. Dustin HurterEllensburg, WA 989261962850776

Common questions

What is Robert Blake Harding, PA-S's NPI number?

Robert Blake Harding, PA-S's National Provider Identifier (NPI) is 1144999509, issued on Sep 9, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Robert Blake Harding, PA-S located?

The NPPES record lists a practice address at 100 E Jackson Ave, Ellensburg, WA, 98926. Phone: (509) 933-8777. Providers update this record themselves, so call before visiting.

How can I verify Robert Blake Harding, PA-S's license?

Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Blake Harding, PA-S prescribe under Medicare Part D?

In 2024, Robert Blake Harding, PA-S had 1,687 Medicare Part D claims for 209 beneficiaries; the average among physician assistant prescribers was 830. 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.