NPPES file of Aug 9, 2026

Dan Dwarka, M.D.

Diagnostic Radiology Physician · Tucson, AZ

Dan Dwarka, M.D. is a diagnostic radiology physician with a practice address in Tucson, Arizona, and NPI 1578763108, issued on Jul 22, 2007. Check the license (Arizona 32564, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578763108
Name
Dan Dwarka
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
32564 AZ
A91851 CA
059711 GA
Self-reported in NPPES; status is on the state search
Practice location
2401 E Elm St, Tucson, AZ 85719
Phone
(520) 981-5795
Enumerated
Jul 22, 2007
Record last updated
Jul 22, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(520) 319-5063
Medicare enrollment
Enrolled (PECOS I20040420000448); accepts Medicare assignment
Medical or professional school
College Of Physicians And Surgeons (Massachusetts), 1999
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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Verify Dan Dwarka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 32564
    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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Bills Medicare through one group practice

  1. Arizona Diagnostic Radiology Group LLCPhoenix, AZ

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

Dan Dwarka among 869 diagnostic radiology physician records in Arizona

Dan Dwarka, M.D. is one of 869 diagnostic radiology physician records with a practice address in Arizona. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.

  • NPI issued2007 · 51% of these records are older, 40% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1999 · median 2003 among the 573 with a school on file
  • Record last updated2007 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

233 diagnostic radiology physician records list a practice address in Tucson

They are 233 of the 18,788 NPPES records with a practice address in Tucson, and 869 diagnostic radiology physician records in Arizona.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Christopher Ardary, M.D.Tucson, AZ 857191659785327
  2. Virginia Baker, MDTucson, AZ 857191639141427
  3. Tyson Chadaz, M.D.Tucson, AZ 857191235459215
  4. Jing-Tzyh Chiang, MDTucson, AZ 857191780883835
  5. Ralph Drosten, M.D.Tucson, AZ 857191386743128
  6. Per Granstrom, MDTucson, AZ 857191851365647
  7. Hasan Ozgur, M.D.Tucson, AZ 857191447230255
  8. Melissa Rosado-De-Christenson, MDTucson, AZ 857191295785996

Common questions

What is Dan Dwarka, M.D.'s NPI number?

Dan Dwarka, M.D.'s National Provider Identifier (NPI) is 1578763108, issued on Jul 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Dan Dwarka, M.D. located?

The NPPES record lists a practice address at 2401 E Elm St, Tucson, AZ, 85719. Phone: (520) 981-5795. Providers update this record themselves, so call before visiting.

How can I verify Dan Dwarka, M.D.'s license?

NPPES lists Arizona license number 32564, 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.

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.