NPPES file of Aug 9, 2026

Arundhati Chandini Arjun, MD

Allergy & Immunology (Internal Medicine) Physician · Medford, OR

Arundhati Chandini Arjun, MD is an allergy & immunology (internal medicine) physician with a practice address in Medford, Oregon, and NPI 1356952261, issued on Aug 13, 2020. Check the license (Oregon MD224429, as entered in NPPES) on the Oregon 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
1356952261
Name
Arundhati Chandini Arjun
Credential
MD
Primary taxonomy
Allergy & Immunology (Internal Medicine) Physician 207RA0201X
License number
MD224429 OR
Self-reported in NPPES; status is on the state search
Practice location
3860 Crater Lake Ave, Medford, OR 97504
Phone
(541) 858-1003
Enumerated
Aug 13, 2020
Record last updated
Sep 11, 2025
Medicare enrollment
Enrolled (PECOS I20250905002276); 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 3860 Crater Lake Ave

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

  1. Kary Kelly, NP-PPFamily Nurse Practitioner1356795504
  2. Edward Kerwin, M.D.Allergy Physician1568465847
  3. Jaleh Ostovar, FNP-CFamily Nurse Practitioner1962503961
  4. Kevin Parks, M.D.Allergy Physician1467499475

Verify Arundhati Chandini Arjun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD224429
    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 Oregon license search

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92% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024

63 Medicare Part D claims for 22 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D.

  1. Arundhati Chandini Arjun63
  2. Specialty average789

Most prescribed

  1. Azelastine Hcl11 claims
  2. Montelukast Sodium11 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. Allergy And Asthma Center OF Southern Oregon, PCGrants Pass, OR

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

Allergy & Immunology (Internal Medicine) Physician providers in Oregon

There are 4 allergy & immunology (internal medicine) physician records in Oregon.

Other allergy & immunology (internal medicine) physician records in Oregon

  1. Dejan Dordevich, M.D.Portland, OR1407905037
  2. Roland Solensky, M.D.Corvallis, OR1033169271
  3. James Sweet, M.D.Tualatin, OR1760429781

Common questions

What is Arundhati Chandini Arjun, MD's NPI number?

Arundhati Chandini Arjun, MD's National Provider Identifier (NPI) is 1356952261, issued on Aug 13, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Arundhati Chandini Arjun, MD located?

The NPPES record lists a practice address at 3860 Crater Lake Ave, Medford, OR, 97504. Phone: (541) 858-1003. Providers update this record themselves, so call before visiting.

How can I verify Arundhati Chandini Arjun, MD's license?

NPPES lists Oregon license number MD224429, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Arundhati Chandini Arjun, MD prescribe under Medicare Part D?

In 2024, Arundhati Chandini Arjun, MD had 63 Medicare Part D claims for 22 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.