Ajith J. Kumar, MD
Nephrology Physician · Lewiston, ID
Ajith J. Kumar, MD is a nephrology physician with a practice address in Lewiston, Idaho, and NPI 1609952381, issued on Oct 27, 2006. Check the license (Idaho M-11158, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ajith J. Kumar
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- M-11158 ID
M000036107 WA
MD00036107 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2124 12TH Ave, Lewiston, ID 83501
- Phone
- (208) 743-9986
- Enumerated
- Oct 27, 2006
- Record last updated
- Mar 6, 2025
- Fax
- (208) 743-1318
- Medicaid ID
- 1107572 WA
- Medicare enrollment
- Enrolled (PECOS I20080813000494); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 34 in Idaho → Look up another NPI →
Verify Ajith J. Kumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M-11158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average nephrology physician in 2024
2,693 Medicare Part D claims for 338 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Torsemide333 claims
- Amlodipine Besylate211 claims
- Losartan Potassium140 claims
- Potassium Chloride116 claims
- Carvedilol105 claims
- Spironolactone104 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 2 group practices
- Multicare Health SystemGig Harbor, WA
- Providence Health And Services WashingtonSpokane, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ajith J. Kumar among 34 nephrology physician records in Idaho
Ajith J. Kumar, MD is one of 34 nephrology physician records with a practice address in Idaho. 88% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 50% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1991 · median 2002 among the 27 with a school on file
- Record last updated2025 · 44% 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Idaho
There are 34 nephrology physician records in Idaho.
All 34 in Idaho → Every provider in Lewiston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Christopher Keller, MDCaldwell, ID 836051255467312
- Robert Davidson, M.D.Meridian, ID 836421144275694
- Mary Dittrich, MDMeridian, ID 836421437194552
- Aaron Fearday, M.D.Meridian, ID 836421952543118
- Amanda Hall, D.O.Meridian, ID 836421871737973
- Jerry Meng, MDMeridian, ID 836421295894939
- Kevin Mitchell, MBBSMeridian, ID 836421366837718
- Amit Sharma, MD, FACP, FASNMeridian, ID 836421730123779
Common questions
What is Ajith J. Kumar, MD's NPI number?
Ajith J. Kumar, MD's National Provider Identifier (NPI) is 1609952381, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ajith J. Kumar, MD located?
The NPPES record lists a practice address at 2124 12TH Ave, Lewiston, ID, 83501. Phone: (208) 743-9986. Providers update this record themselves, so call before visiting.
How can I verify Ajith J. Kumar, MD's license?
NPPES lists Idaho license number M-11158, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ajith J. Kumar, MD prescribe under Medicare Part D?
In 2024, Ajith J. Kumar, MD had 2,693 Medicare Part D claims for 338 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.