Samarth Shivakumar Mathapathi, MD
Rheumatology Physician · Portland, OR
Samarth Shivakumar Mathapathi, MD is a rheumatology physician with a practice address in Portland, Oregon, and NPI 1639668767, issued on May 3, 2018. Check the license (Oregon MD203918, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Samarth Shivakumar Mathapathi
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- MD203918 OR
Self-reported in NPPES; status is on the state search - Practice location
- 5050 NE Hoyt St Ste 155, Portland, OR 97213
- Phone
- (503) 215-6819
- Enumerated
- May 3, 2018
- Record last updated
- Oct 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20201023000406); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 101 in Oregon → Look up another NPI →
Also registered at 5050 NE Hoyt St Ste 155
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ronald Fraback, MDRheumatology Physician1639279250
- Sarah Lipton, M.D.Rheumatology Physician1023229812
- Jillian Myers, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1982563037
- Ralph Yachoui, M.D.Rheumatology Physician1033403084
Verify Samarth Shivakumar Mathapathi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD203918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average rheumatology physician in 2024
938 Medicare Part D claims for 322 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 35 claims were for opioids.
Most prescribed
- Prednisone272 claims
- Methotrexate106 claims
- Hydroxychloroquine Sulfate92 claims
- Allopurinol45 claims
- Alendronate Sodium31 claims
- Colchicine27 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samarth Shivakumar Mathapathi among 101 rheumatology physician records in Oregon
Samarth Shivakumar Mathapathi, MD is one of 101 rheumatology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 96% of them.
- NPI issued2018 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2004 among the 65 with a school on file
- Record last updated2023 · 60% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Oregon
There are 101 rheumatology physician records in Oregon.
All 101 in Oregon → Every provider in Portland → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Rosario Bonafede, MDPortland, OR 972131730125667
- Stephen Campbell, MDPortland, OR 972131295771459
- Ronald Fraback, MDPortland, OR 972131639279250
- Sarah Lipton, M.D.Portland, OR 972131023229812
- Ralph Yachoui, M.D.Portland, OR 972131033403084
- Andre Barkhuizen, M.D.Portland, OR 972101982639480
- Howard Gandler, M.D.Portland, OR 972101164429130
- John Griffin, M.D.Portland, OR 972161316940075
Common questions
What is Samarth Shivakumar Mathapathi, MD's NPI number?
Samarth Shivakumar Mathapathi, MD's National Provider Identifier (NPI) is 1639668767, issued on May 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Samarth Shivakumar Mathapathi, MD located?
The NPPES record lists a practice address at 5050 NE Hoyt St Ste 155, Portland, OR, 97213. Phone: (503) 215-6819. Providers update this record themselves, so call before visiting.
How can I verify Samarth Shivakumar Mathapathi, MD's license?
NPPES lists Oregon license number MD203918, 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 Samarth Shivakumar Mathapathi, MD prescribe under Medicare Part D?
In 2024, Samarth Shivakumar Mathapathi, MD had 938 Medicare Part D claims for 322 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.
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.