Mark W. Joseph, M.D.
Pediatric Nephrology Physician · Portland, OR
Mark W. Joseph, M.D. is a pediatric nephrology physician with a practice address in Portland, Oregon, and NPI 1740242320, issued on Apr 6, 2006. Check the license (Oregon MD210371, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark W. Joseph
- Credential
- M.D.
- Primary taxonomy
- Pediatric Nephrology Physician 2080P0210X
- License numbers
- MD210371 OR
25446 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-7327
- Enumerated
- Apr 6, 2006
- Record last updated
- Aug 1, 2022
- Fax
- (503) 418-6718
- Medicaid ID
- 395245 AZ
- Medicare enrollment
- Enrolled (PECOS I20220707003740); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest pediatric nephrology physician records → All 14 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Mark W. Joseph in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD210371Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average pediatric nephrology physician in 2024
93 Medicare Part D claims, against an average of 67 among the 387 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Amlodipine Besylate21 claims
- Cystaran14 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 MIPS final score for 2023 (Medicare payment program): 97.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $26,886.27
17 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Amgen Inc. The 297 providers of this specialty with any payment received $3,704.99 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
- University Professional ServicesSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark W. Joseph among 14 pediatric nephrology physician records in Oregon
Mark W. Joseph, M.D. is one of 14 pediatric nephrology physician records with a practice address in Oregon. 79% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 50% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1991 · median 2005 among the 10 with a school on file
- Record last updated2022 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0210X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Nephrology Physician providers in Oregon
There are 14 pediatric nephrology physician records in Oregon.
All 14 in Oregon → Every provider in Portland → Pediatric Nephrology Physician nationwide →
The 8 pediatric nephrology physician records with the nearest ZIP codes
- Amira Al-Uzri, MDPortland, OR 972391780699280
- Adrian BanerjiPortland, OR 972391336602929
- Gina-Marie Barletta, MDPortland, OR 972391417921131
- Abbie Bauer, M.D. M.S.Portland, OR 972391952644817
- Chloe Douglas, MDPortland, OR 972391417451139
- Kelsey RichardsonPortland, OR 972391477852259
- David Rozansky, MDPortland, OR 972391881600336
- Candice Sheldon, MDPortland, OR 972391407147283
Common questions
What is Mark W. Joseph, M.D.'s NPI number?
Mark W. Joseph, M.D.'s National Provider Identifier (NPI) is 1740242320, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark W. Joseph, M.D. located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-7327. Providers update this record themselves, so call before visiting.
How can I verify Mark W. Joseph, M.D.'s license?
NPPES lists Oregon license number MD210371, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark W. Joseph, M.D. prescribe under Medicare Part D?
In 2024, Mark W. Joseph, M.D. had 93 Medicare Part D claims; the average among pediatric nephrology physician prescribers was 67. Part D covers Medicare prescriptions only.
What is Mark W. Joseph, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.8 of 100. 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.