Michael B. Riojas, DPM
Podiatrist · Arlington, WA
Michael B. Riojas, DPM is a podiatrist with a practice address in Arlington, Washington, and NPI 1225079478, issued on Jun 9, 2006. Check the license (Washington PO00000735, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael B. Riojas
- Credential
- DPM
- Primary taxonomy
- Podiatrist 213E00000X
- License number
- PO00000735 WA
Self-reported in NPPES; status is on the state search - Practice location
- 328 S Stillaguamish Ave, Arlington, WA 98223
- Phone
- (360) 435-6641
- Enumerated
- Jun 9, 2006
- Record last updated
- Aug 11, 2025
- Fax
- (360) 848-4005
- Medicaid ID
- 1117399 WA
- Medicare enrollment
- Enrolled (PECOS I20040416000760); accepts Medicare assignment
- Medical or professional school
- Kent State University College Of Podiatric Medicine, 1994
- Entity
- Type 1 · individual
8 nearest podiatrist records → All 192 in Washington → Look up another NPI →
Also registered at 328 S Stillaguamish Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paul NaumannOrthopaedic Surgery Physician1639391501
Verify Michael B. Riojas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PO00000735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average podiatrist in 2024
271 Medicare Part D claims for 121 beneficiaries, against an average of 314 among the 6,407 providers of this specialty who prescribed in Part D. 76 claims were for opioids.
Most prescribed
- Oxycodone Hcl29 claims
- Ondansetron Odt21 claims
- Sulfamethoxazole-Trimethoprim21 claims
- Gabapentin16 claims
- Tramadol Hcl16 claims
- Amoxicillin-Clavulanate Potass15 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: $29.54
2 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 4,596 providers of this specialty with any payment received $2,476.60 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 one group practice
- Public Hospital Dist NO 1 SkagitMount Vernon, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael B. Riojas among 192 podiatrist records in Washington
Michael B. Riojas, DPM is one of 192 podiatrist records with a practice address in Washington. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 39% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1994 · median 2000 among the 130 with a school on file
- Record last updated2025 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213E00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Podiatrist providers in Washington
There are 192 podiatrist records in Washington.
All 192 in Washington → Every provider in Arlington → Podiatrist nationwide →
The 8 podiatrist records with the nearest ZIP codes
- Todd Skiles, D.P.M.Arlington, WA 982231164512703
- David Cutler, DPMBellingham, WA 982251902899206
- Geoffrey McAllister, DPMBellingham, WA 982251013367671
- Edward Chesnutis, D.P.M.Everett, WA 982081821172156
- Regina Currier, DPMCoupeville, WA 982391093800682
- Jeffrey Boggs, DPMEverett, WA 982011457391088
- Kristen Boyce, DPMEverett, WA 982011407906324
- Timothy McCord, D.P.M.Everett, WA 982011306827795
Common questions
What is Michael B. Riojas, DPM's NPI number?
Michael B. Riojas, DPM's National Provider Identifier (NPI) is 1225079478, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael B. Riojas, DPM located?
The NPPES record lists a practice address at 328 S Stillaguamish Ave, Arlington, WA, 98223. Phone: (360) 435-6641. Providers update this record themselves, so call before visiting.
How can I verify Michael B. Riojas, DPM's license?
NPPES lists Washington license number PO00000735, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Michael B. Riojas, DPM prescribe under Medicare Part D?
In 2024, Michael B. Riojas, DPM had 271 Medicare Part D claims for 121 beneficiaries; the average among podiatrist prescribers was 314. 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.