NPPES file of Aug 9, 2026

Sandra A. Horvath-Dori, M.D.

Rheumatology Physician · Kennewick, WA

Sandra A. Horvath-Dori, M.D. is a rheumatology physician with a practice address in Kennewick, Washington, and NPI 1689666927, issued on Aug 22, 2005. Check the license (Washington MD61187446, 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
1689666927
Name
Sandra A. Horvath-Dori
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
MD61187446 WA
37962 CO
85146 SC
Self-reported in NPPES; status is on the state search
Practice location
6710 W Okanogan PL, Kennewick, WA 99336
Phone
(509) 942-2528
Enumerated
Aug 22, 2005
Record last updated
Dec 19, 2025
Fax
(509) 942-2544
Medicaid IDs
45331341 CO
G38805 SC
Medicare enrollment
Enrolled (PECOS I20210915003371); accepts Medicare assignment
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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8 nearest rheumatology physician records → All 200 in Washington → Look up another NPI →

Also registered at 6710 W Okanogan PL

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

  1. Hebatalla Allam, M.D.Rheumatology Physician1033566336
  2. Rosa Casillas, ARNPAdult Health Nurse Practitioner1831831262
  3. Aveena Gurung, MDRheumatology Physician1699296491
  4. Jaspreet Kaler, M.D.Rheumatology Physician1558745083
  5. John McCormick, M.D.Rheumatology Physician1770590556
  6. Mandy Schiefelbein, ARNPFamily Nurse Practitioner1043449309

Verify Sandra A. Horvath-Dori in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD61187446    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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14% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,709 Medicare Part D claims for 265 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Sandra Horvath-Dori1,709
  2. Specialty average1,978

Most prescribed

  1. Prednisone366 claims
  2. Methotrexate222 claims
  3. Hydroxychloroquine Sulfate203 claims
  4. Humira(Cf) Pen109 claims
  5. Leflunomide107 claims
  6. Allopurinol91 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.

Industry payments in 2024: $16.32

1 payment: food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sandra Horvath-Dori$16.32
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Kadlec Regional Medical CenterKennewick, WA · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Sandra A. Horvath-Dori among 200 rheumatology physician records in Washington

Sandra A. Horvath-Dori, M.D. is one of 200 rheumatology physician records with a practice address in Washington. 77% 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, 86% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1990 · median 2005 among the 123 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Washington

There are 200 rheumatology physician records in Washington.

All 200 in Washington → Every provider in Kennewick → Rheumatology Physician nationwide →

The 8 rheumatology physician records with the nearest ZIP codes

  1. Hebatalla Allam, M.D.Kennewick, WA 993361033566336
  2. Aveena Gurung, MDKennewick, WA 993361699296491
  3. Jaspreet Kaler, M.D.Kennewick, WA 993361558745083
  4. John McCormick, M.D.Kennewick, WA 993361770590556
  5. David Sandoval, MDKennewick, WA 993361003872094
  6. Derek Peacock, MDRichland, WA 993521720085038
  7. Katherine Perry, M.D.Richland, WA 993521154302404
  8. Sophia Chang, M.D.Pasco, WA 993011588658074

Common questions

What is Sandra A. Horvath-Dori, M.D.'s NPI number?

Sandra A. Horvath-Dori, M.D.'s National Provider Identifier (NPI) is 1689666927, issued on Aug 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sandra A. Horvath-Dori, M.D. located?

The NPPES record lists a practice address at 6710 W Okanogan PL, Kennewick, WA, 99336. Phone: (509) 942-2528. Providers update this record themselves, so call before visiting.

How can I verify Sandra A. Horvath-Dori, M.D.'s license?

NPPES lists Washington license number MD61187446, 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 Sandra A. Horvath-Dori, M.D. prescribe under Medicare Part D?

In 2024, Sandra A. Horvath-Dori, M.D. had 1,709 Medicare Part D claims for 265 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.