Joseph Anthony Demirjian, MD
Emergency Medicine Physician · Tucson, AZ
Joseph Anthony Demirjian, MD is an emergency medicine physician with a practice address in Tucson, Arizona, and NPI 1477127512, issued on May 13, 2021. Check the license (Arizona R78579, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joseph Anthony Demirjian
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- R78579 AZ
71327 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3950 S Country Club RD Ste 200, Tucson, AZ 85714
- Phone
- (520) 626-5582
- Enumerated
- May 13, 2021
- Record last updated
- Nov 3, 2023
- Medicare enrollment
- Enrolled (PECOS I20231212003689); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 3950 S Country Club RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Camarillo, DOEmergency Medicine Physician1689310989
- Nancy Cao, MDEmergency Medicine Physician1780473835
- Chane Cilliers, MDFamily Medicine Physician1558054437
- Wendy DigiacintoEmergency Medicine Physician1598349342
- Gabrielle Gallegos, MDEmergency Medicine Physician1093508152
- Amanda Huff, MDEmergency Medicine Physician1508655846
Verify Joseph Anthony Demirjian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license R78579Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average emergency medicine physician in 2024
236 Medicare Part D claims for 136 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Ibuprofen33 claims
- Ondansetron Hcl27 claims
- Methocarbamol17 claims
- Cephalexin16 claims
- Oxycodone Hcl14 claims
- Amoxicillin-Clavulanate Potass11 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
- Ies Arizona PLLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Anthony Demirjian among 1,494 emergency medicine physician records in Arizona
Joseph Anthony Demirjian, MD is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 11% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2021 · median 2014 among the 828 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
422 emergency medicine physician records list a practice address in Tucson
They are 422 of the 18,788 NPPES records with a practice address in Tucson, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Tucson → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Camarillo, DOTucson, AZ 857141689310989
- Wendy DigiacintoTucson, AZ 857141598349342
- Lisa Goldberg, M.D.Tucson, AZ 857141366829228
- Philipp Hannan, M.D.Tucson, AZ 857141013365675
- Kelcy Higa, M.D.Tucson, AZ 857141023465630
- Zachary JohnsonTucson, AZ 857141619545282
- Kyra Langhelm, DOTucson, AZ 857141467165183
- Kendall Likes, DOTucson, AZ 857141881382828
Common questions
What is Joseph Anthony Demirjian, MD's NPI number?
Joseph Anthony Demirjian, MD's National Provider Identifier (NPI) is 1477127512, issued on May 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Anthony Demirjian, MD located?
The NPPES record lists a practice address at 3950 S Country Club RD Ste 200, Tucson, AZ, 85714. Phone: (520) 626-5582. Providers update this record themselves, so call before visiting.
How can I verify Joseph Anthony Demirjian, MD's license?
NPPES lists Arizona license number R78579, 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 Joseph Anthony Demirjian, MD prescribe under Medicare Part D?
In 2024, Joseph Anthony Demirjian, MD had 236 Medicare Part D claims for 136 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.