Donald A. Tobias, M.D.
Diagnostic Radiology Physician · Phoenix, AZ
Donald A. Tobias, M.D. is a diagnostic radiology physician with a practice address in Phoenix, Arizona, and NPI 1003177767, issued on May 30, 2012. Check the license (Arizona 4138, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donald A. Tobias
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 4138 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 97 Biltmore Est, Phoenix, AZ 85016
- Phone
- (602) 956-3209
- Enumerated
- May 30, 2012
- Record last updated
- May 30, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 869 in Arizona → Look up another NPI →
Verify Donald A. Tobias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 4138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
39 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of 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.
Donald A. Tobias among 869 diagnostic radiology physician records in Arizona
Donald A. Tobias, 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 2012, is newer than 73% of them.
- NPI issued2012 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2012 · 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).
Diagnostic Radiology Physician providers in Arizona
There are 869 diagnostic radiology physician records in Arizona.
All 869 in Arizona → Every provider in Phoenix → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Asmaa Aamir, M.D.Phoenix, AZ 850161912163791
- Dianna Bardo, MDPhoenix, AZ 850161881686111
- Drew Davis, MDPhoenix, AZ 850161568624146
- David Dickman, M.D.Phoenix, AZ 850161669561064
- Sreechandra Donepudi, MDPhoenix, AZ 850161578686242
- George Engisch, D.O.Phoenix, AZ 850161841398245
- Marshall Lustgarten, M.D.Phoenix, AZ 850161871584458
- Jignesh Patel, M.D.Phoenix, AZ 850161023136322
Common questions
What is Donald A. Tobias, M.D.'s NPI number?
Donald A. Tobias, M.D.'s National Provider Identifier (NPI) is 1003177767, issued on May 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Donald A. Tobias, M.D. located?
The NPPES record lists a practice address at 97 Biltmore Est, Phoenix, AZ, 85016. Phone: (602) 956-3209. Providers update this record themselves, so call before visiting.
How can I verify Donald A. Tobias, M.D.'s license?
NPPES lists Arizona license number 4138, 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 Donald A. Tobias, M.D. prescribe under Medicare Part D?
In 2024, Donald A. Tobias, M.D. had 39 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.