Arun Jose Kottarathara, MD
Nephrology Physician · Wilmington, DE
Arun Jose Kottarathara, MD is a nephrology physician with a practice address in Wilmington, Delaware, and NPI 1568852838, issued on Jan 26, 2015. Check the license on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Arun Jose Kottarathara
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 4301113282 MI
MD61151370 WA
1676-320 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2006 Limestone RD, Wilmington, DE 19808
- Phone
- (302) 355-2383
- Enumerated
- Jan 26, 2015
- Record last updated
- Jan 19, 2024
- Medicaid ID
- 100193040 WI
- Medicare enrollment
- Enrolled (PECOS I20191024001602); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 52 in Delaware → Look up another NPI →
Also registered at 2006 Limestone RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emmanuel Antonio, FNP-BCFamily Nurse Practitioner1811289432
- Ann Behan, CRNACertified Registered Nurse Anesthetist1407882590
- David Blumberg, M.D.Anesthesiology Physician1023183548
- Thomas Boerner, M.D.Anesthesiology Physician1184610511
- John Dibonaventure, D.O.Anesthesiology Physician1841343860
- Lisa Direnzo, D.O.Anesthesiology Physician1104877737
Verify Arun Jose Kottarathara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and DisciplineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average nephrology physician in 2024
102 Medicare Part D claims for 39 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide17 claims
- Losartan Potassium15 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.
5 hospitals and group practices
- T J Samson Community HospitalGlasgow, KY · Acute Care Hospitals3 of 5 stars
- Froedtert Manitowoc Medical Group, LLCSheboygan, WI
- Knoxville Kidney Center, PLLCKnoxville, TN
- Osf Multi-Specialty GroupSwedesboro, NJ
- Thedacare, IncorporatedAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Arun Jose Kottarathara among 52 nephrology physician records in Delaware
Arun Jose Kottarathara, MD is one of 52 nephrology physician records with a practice address in Delaware. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 75% of them.
- NPI issued2015 · 75% of these records are older, 19% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2009 · median 2001 among the 39 with a school on file
- Record last updated2024 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Delaware
There are 52 nephrology physician records in Delaware.
All 52 in Delaware → Every provider in Wilmington → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Brenden Connor, DOWilmington, DE 198081902241441
- Manish Garg, M.D.Wilmington, DE 198081821035650
- Romil Patel, MDWilmington, DE 198081225301971
- Shalini Verma, M.D.Wilmington, DE 198081972720225
- Dhruval Patel, MDWilmington, DE 198061912101502
- Brajesh Agarwal, M.D.Wilmington, DE 198051053375337
- Arun Malhotra, M.D.Wilmington, DE 198051326034893
- Michael Polnerow, D.O.Wilmington, DE 198051881680023
Common questions
What is Arun Jose Kottarathara, MD's NPI number?
Arun Jose Kottarathara, MD's National Provider Identifier (NPI) is 1568852838, issued on Jan 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Arun Jose Kottarathara, MD located?
The NPPES record lists a practice address at 2006 Limestone RD, Wilmington, DE, 19808. Phone: (302) 355-2383. Providers update this record themselves, so call before visiting.
How can I verify Arun Jose Kottarathara, MD's license?
Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Arun Jose Kottarathara, MD prescribe under Medicare Part D?
In 2024, Arun Jose Kottarathara, MD had 102 Medicare Part D claims for 39 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.