NPPES file of Aug 9, 2026

Dilshan Singh Khosa

Neurology Physician · Tucson, AZ

Dilshan Singh Khosa is a neurology physician with a practice address in Tucson, Arizona, and NPI 1912496878, issued on May 7, 2018. Check the license (Arizona R76667, as entered in NPPES) on the Arizona Medical Board; 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
1912496878
Name
Dilshan Singh Khosa
Primary taxonomy
Neurology Physician 2084N0400X
License number
R76667 AZ
Self-reported in NPPES; status is on the state search
Practice location
1501 N Campbell Ave, Tucson, AZ 85724
Phone
(520) 626-3894
Enumerated
May 7, 2018
Record last updated
May 7, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20240603003894); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1501 N Campbell Ave

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

  1. Alexa Aaronson, MDPediatrics Physician1427793652
  2. Mohammed Abbas, MDOrthopaedic Surgery Physician1003437872
  3. Josephine Acuna, M.DEmergency Medicine Physician1710325287
  4. Rodney Adam, MDInfectious Disease Physician1548249485
  5. Matthew Adams, D.O.Infectious Disease Physician1578941720
  6. Elana Addis, M.DObstetrics & Gynecology Physician1730150582

Verify Dilshan Singh Khosa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license R76667
    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 Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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56% fewer Medicare Part D claims than the average neurology physician in 2024

601 Medicare Part D claims for 122 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Dilshan Khosa601
  2. Specialty average1,370

Most prescribed

  1. Levetiracetam141 claims
  2. Lamotrigine40 claims
  3. Topiramate37 claims
  4. Zonisamide28 claims
  5. Divalproex Sodium24 claims
  6. Divalproex Sodium Er24 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

  1. Pulmonary And Critical Care Associates OF Modesto IncModesto, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dilshan Singh Khosa among 458 neurology physician records in Arizona

Dilshan Singh Khosa is one of 458 neurology physician records with a practice address in Arizona. 80% 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 78% of them.

  • NPI issued2018 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2018 · median 2005 among the 298 with a school on file
  • Record last updated2018 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Arizona

There are 458 neurology physician records in Arizona.

The 8 neurology physician records with the nearest ZIP codes

  1. Katherine Bonsell, D.O.Tucson, AZ 857241306109525
  2. Seenaiah Byreddy, M.DTucson, AZ 857241831538065
  3. Omar Gardizi, DOTucson, AZ 857241386266039
  4. Kavian Ghanavati, MDTucson, AZ 857241972131167
  5. Branden Han, DOTucson, AZ 857241184245235
  6. Georg Hishaw, M.D.Tucson, AZ 857241275734493
  7. Tu Nguyen, MDTucson, AZ 857241386135903
  8. Vladyslav Revin, MDTucson, AZ 857241154737674

Common questions

What is Dilshan Singh Khosa's NPI number?

Dilshan Singh Khosa's National Provider Identifier (NPI) is 1912496878, issued on May 7, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Dilshan Singh Khosa located?

The NPPES record lists a practice address at 1501 N Campbell Ave, Tucson, AZ, 85724. Phone: (520) 626-3894. Providers update this record themselves, so call before visiting.

How can I verify Dilshan Singh Khosa's license?

NPPES lists Arizona license number R76667, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dilshan Singh Khosa prescribe under Medicare Part D?

In 2024, Dilshan Singh Khosa had 601 Medicare Part D claims for 122 beneficiaries; the average among neurology physician prescribers was 1,370. 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.