Richard L. Withers, PA-C
Physician Assistant · Kennewick, WA
Richard L. Withers, PA-C is a physician assistant with a practice address in Kennewick, Washington, and NPI 1073813424, issued on Nov 1, 2010. Check the license (Washington PA60460660, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard L. Withers
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA60460660 WA
Self-reported in NPPES; status is on the state search - Practice location
- 6703 W Rio Grande Ave, Kennewick, WA 99336
- Phone
- (509) 460-5588
- Enumerated
- Nov 1, 2010
- Record last updated
- Aug 2, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (509) 783-5438
- Medicaid ID
- 2036046 WA
- Medicare enrollment
- Enrolled (PECOS I20140710000326); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 6703 W Rio Grande Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Richard L. Withers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60460660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average physician assistant in 2024
185 Medicare Part D claims for 95 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 59 claims were for opioids.
Most prescribed
- Hydroxyzine Pamoate40 claims
- Ibuprofen30 claims
- Hydrocodone-Acetaminophen29 claims
- Cephalexin21 claims
- Tramadol Hcl16 claims
- Oxycodone-Acetaminophen12 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: $69.76
1 payment: food and beverage; the largest payer was Genentech USA, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through 3 group practices
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
- Tri-City Orthopaedic Clinic P S CKennewick, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard L. Withers among 3,718 physician assistant records in Washington
Richard L. Withers, PA-C 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 2010, is newer than 33% of them.
- NPI issued2010 · 33% of these records are older, 64% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2010 · median 2017 among the 2,460 with a school on file
- Record last updated2019 · 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).
28 physician assistant records list a practice address in Kennewick
They are 28 of the 2,317 NPPES records with a practice address in Kennewick, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Kennewick → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Nadima Adi, PA-CKennewick, WA 993361942536321
- Andreas Bitterlich, PA-CKennewick, WA 993361043561749
- Blake Bitton, PA-C, PHD, RDHKennewick, WA 993361023378882
- Vickie Boll, PA-CKennewick, WA 993361396737706
- Tracey Bryant, PA CKennewick, WA 993361962473256
- Christine Carpenter, PA-CKennewick, WA 993361326080540
- Jennifer Corbin, PA-CKennewick, WA 993361902055619
- Kellie Duarte, M.ED, PA-CKennewick, WA 993361306034277
Common questions
What is Richard L. Withers, PA-C's NPI number?
Richard L. Withers, PA-C's National Provider Identifier (NPI) is 1073813424, issued on Nov 1, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Richard L. Withers, PA-C located?
The NPPES record lists a practice address at 6703 W Rio Grande Ave, Kennewick, WA, 99336. Phone: (509) 460-5588. Providers update this record themselves, so call before visiting.
How can I verify Richard L. Withers, PA-C's license?
NPPES lists Washington license number PA60460660, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Richard L. Withers, PA-C prescribe under Medicare Part D?
In 2024, Richard L. Withers, PA-C had 185 Medicare Part D claims for 95 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.