NPPES file of Aug 9, 2026

Nagraj Narasimhan, M.D.

Nephrology Physician · Twin Falls, ID

Nagraj Narasimhan, M.D. is a nephrology physician with a practice address in Twin Falls, Idaho, and NPI 1063449221, issued on Jun 26, 2006. Check the license (Idaho M5063, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063449221
Name
Nagraj Narasimhan
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
M5063 ID
Self-reported in NPPES; status is on the state search
Practice location
350 N Haven Dr, Twin Falls, ID 83301
Phone
(208) 904-4780
Enumerated
Jun 26, 2006
Record last updated
Apr 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(208) 904-4832
Medicaid ID
001835200 ID
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 350 N Haven Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amanda Prestigiacomo, FNP-CNurse Practitioner1043747579

Verify Nagraj Narasimhan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license M5063    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Idaho license search

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80% fewer Medicare Part D claims than the average nephrology physician in 2024

287 Medicare Part D claims for 78 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Nagraj Narasimhan287
  2. Specialty average1,465

Most prescribed

  1. Calcitriol27 claims
  2. Sevelamer Carbonate25 claims
  3. Amlodipine Besylate22 claims
  4. Losartan Potassium19 claims
  5. Allopurinol15 claims
  6. Prednisone15 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.

Nephrology Physician providers in Idaho

There are 34 nephrology physician records in Idaho.

All 34 in Idaho → Every provider in Twin Falls →

Other nephrology physician records in Idaho

  1. Micheal Adcox, M.D.Boise, ID1851345193
  2. Scott Bieber, D.O.Coeur D Alene, ID1447452578
  3. Kenneth Cogen, M.D.Twin Falls, ID1629064555
  4. Casey Cotant, M.D.Coeur D Alene, ID1427182781
  5. James Crouch, MDBoise, ID1720303753
  6. Robert Davidson, M.D.Meridian, ID1144275694
  7. Mary Dittrich, MDMeridian, ID1437194552
  8. Aaron Fearday, M.D.Meridian, ID1952543118
  9. Sherwin Foster, M.D.Hayden, ID1720074990
  10. Michael Haderlie, MDChubbuck, ID1700083813

Common questions

What is Nagraj Narasimhan, M.D.'s NPI number?

Nagraj Narasimhan, M.D.'s National Provider Identifier (NPI) is 1063449221, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nagraj Narasimhan, M.D. located?

The NPPES record lists a practice address at 350 N Haven Dr, Twin Falls, ID, 83301. Phone: (208) 904-4780. Providers update this record themselves, so call before visiting.

How can I verify Nagraj Narasimhan, M.D.'s license?

NPPES lists Idaho license number M5063, 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 Nagraj Narasimhan, M.D. prescribe under Medicare Part D?

In 2024, Nagraj Narasimhan, M.D. had 287 Medicare Part D claims for 78 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.