Arun Ashok Velthottam Rathinam, MD
Hematology & Oncology Physician · Fargo, ND
Arun Ashok Velthottam Rathinam, MD is a hematology & oncology physician with a practice address in Fargo, North Dakota, and NPI 1811565419, issued on Jun 11, 2021. Check the license (North Dakota 21030, as entered in NPPES) on the North Dakota Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Arun Ashok Velthottam Rathinam
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 21030 ND
Self-reported in NPPES; status is on the state search - Practice location
- 820 4TH St N, Fargo, ND 58102
- Phone
- (701) 234-6161
- Enumerated
- Jun 11, 2021
- Record last updated
- Aug 5, 2026
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 39 in North Dakota → Look up another NPI →
Also registered at 820 4TH St N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Isaak Ailts, MDInternal Medicine Physician1063036135
- Amanda Akers, APRN, CNPNurse Practitioner1568389203
- Daniel Almquist, M.D.Hematology & Oncology Physician1134533805
- Mercy AndohGerontology Nurse Practitioner1275359507
- Melissa Babcook, MD PHDHematology & Oncology Physician1396206546
- Sarah Barts, LRDRegistered Dietitian1720346448
Verify Arun Ashok Velthottam Rathinam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Dakota Board of Medicine
Search for license 21030Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
213 Medicare Part D claims for 46 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate18 claims
- Atorvastatin Calcium16 claims
- Memantine Hcl13 claims
- Prednisone13 claims
- Ropinirole Hcl12 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.
Arun Ashok Velthottam Rathinam among 39 hematology & oncology physician records in North Dakota
Arun Ashok Velthottam Rathinam, MD is one of 39 hematology & oncology physician records with a practice address in North Dakota. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 95% of them.
- NPI issued2021 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 79% of these records are
- Record last updated2026 · 28% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in North Dakota
There are 39 hematology & oncology physician records in North Dakota.
All 39 in North Dakota → Every provider in Fargo → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Daniel Almquist, M.D.Fargo, ND 581021134533805
- Melissa Babcook, MD PHDFargo, ND 581021396206546
- Michael Durando, M.D.-PH.D.Fargo, ND 581021750776910
- Jarrett Failing, M.D.Fargo, ND 581021063828861
- Gerald Gross, MDFargo, ND 581021013935667
- Haritha Mopuru, MDFargo, ND 581021043770282
- Oluwatobi Odetola, MBBSFargo, ND 581021104370477
- Amit PanwalkarFargo, ND 581021043426034
Common questions
What is Arun Ashok Velthottam Rathinam, MD's NPI number?
Arun Ashok Velthottam Rathinam, MD's National Provider Identifier (NPI) is 1811565419, issued on Jun 11, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Arun Ashok Velthottam Rathinam, MD located?
The NPPES record lists a practice address at 820 4TH St N, Fargo, ND, 58102. Phone: (701) 234-6161. Providers update this record themselves, so call before visiting.
How can I verify Arun Ashok Velthottam Rathinam, MD's license?
NPPES lists North Dakota license number 21030, as entered by the provider. Search the North Dakota Board of Medicine at https://www.ndbom.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Arun Ashok Velthottam Rathinam, MD prescribe under Medicare Part D?
In 2024, Arun Ashok Velthottam Rathinam, MD had 213 Medicare Part D claims for 46 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.