Rosa Margarita Casillas, ARNP
Adult Health Nurse Practitioner · Kennewick, WA
Rosa Margarita Casillas, ARNP is an adult health nurse practitioner with a practice address in Kennewick, Washington, and NPI 1831831262, issued on Apr 7, 2022. Check the license (Washington AP61312013, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rosa Margarita Casillas
- Credential
- ARNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- AP61312013 WA
Self-reported in NPPES; status is on the state search - Practice location
- 6710 W Okanogan PL, Kennewick, WA 99336
- Phone
- (509) 942-2528
- Enumerated
- Apr 7, 2022
- Record last updated
- Nov 14, 2023
- Fax
- (509) 783-2008
- Medicare enrollment
- Enrolled (PECOS I20221025002730); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 546 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.
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Verify Rosa Margarita Casillas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP61312013Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average adult health nurse practitioner in 2024
1,877 Medicare Part D claims for 422 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Most prescribed
- Methotrexate411 claims
- Hydroxychloroquine Sulfate343 claims
- Prednisone230 claims
- Leflunomide147 claims
- Sulfasalazine70 claims
- Humira(Cf) Pen51 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $27.13
2 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- 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.
Rosa Margarita Casillas among 546 adult health nurse practitioner records in Washington
Rosa Margarita Casillas, ARNP is one of 546 adult health nurse practitioner records with a practice address in Washington. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2022 · median 2014 among the 264 with a school on file
- Record last updated2023 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Washington
There are 546 adult health nurse practitioner records in Washington.
All 546 in Washington → Every provider in Kennewick → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Heidi Nixon, ARNPKennewick, WA 993361568885135
- Lisa Rootvik, ARNPKennewick, WA 993361528371564
- Patricia Hall, ARNPKennewick, WA 993371588757959
- Laura Norris, ARNPCollege Place, WA 993241053580233
- Mariana Neeway, ARNPProsser, WA 993501841852043
- Julie CookRichland, WA 993521740431261
- Alexis Firman, ARNPRichland, WA 993521124529565
- Christina Funaro-Pagani, DNPRichland, WA 993521700375516
Common questions
What is Rosa Margarita Casillas, ARNP's NPI number?
Rosa Margarita Casillas, ARNP's National Provider Identifier (NPI) is 1831831262, issued on Apr 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Rosa Margarita Casillas, ARNP 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 Rosa Margarita Casillas, ARNP's license?
NPPES lists Washington license number AP61312013, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Rosa Margarita Casillas, ARNP prescribe under Medicare Part D?
In 2024, Rosa Margarita Casillas, ARNP had 1,877 Medicare Part D claims for 422 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Rosa Margarita Casillas, ARNP's MIPS final score?
The 2023 MIPS final score is 83.1 of 100, reported for the practice group. 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.