Joseph K. Zachariah, DO
Infectious Disease Physician · Mesa, AZ
Joseph K. Zachariah, DO is an infectious disease physician with a practice address in Mesa, Arizona, and NPI 1649293895, issued on Jul 26, 2006. Check the license (Arizona 3216, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joseph K. Zachariah
- Credential
- DO
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 3216 AZ
OC-0432 ID
Self-reported in NPPES; status is on the state search - Practice location
- 1400 S Dobson RD, Mesa, AZ 85202
- Phone
- (480) 412-3000
- Enumerated
- Jul 26, 2006
- Record last updated
- Aug 4, 2025
- Medicaid ID
- 379207 AZ
- Medicare enrollment
- Enrolled (PECOS I20240322002178); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 176 in Arizona → Look up another NPI →
Also registered at 1400 S Dobson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anas Abu Assi, MBBSInternal Medicine Physician1881212264
- Rami Abusaleh, MDHospice and Palliative Medicine (Internal Medicine) Physician1356921977
- Abraham AlfarraAnesthesiology Physician1174268585
- Suhail Alhreish, PHARMDPharmacist1285041467
- Mistelle Allan, NPFamily Nurse Practitioner1154951150
- Haneen Alwawi, CRNACertified Registered Nurse Anesthetist1245877893
Verify Joseph K. Zachariah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 3216Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average infectious disease physician in 2024
351 Medicare Part D claims for 75 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Daptomycin55 claims
- Meropenem45 claims
- Doxycycline Hyclate33 claims
- Cefepime Hcl28 claims
- Ceftriaxone24 claims
- Vancomycin Hcl21 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 2 group practices
- East Valley Infectious Disease Medicine LLCMesa, AZ
- Saint Alphonsus Regional Medical Center IncBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph K. Zachariah among 176 infectious disease physician records in Arizona
Joseph K. Zachariah, DO is one of 176 infectious disease physician records with a practice address in Arizona. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 57% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1987 · median 2001 among the 122 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Arizona
There are 176 infectious disease physician records in Arizona.
All 176 in Arizona → Every provider in Mesa → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Gauri Barlingay, MDMesa, AZ 852021366979700
- Shashikala Ameneni, M.D.Mesa, AZ 852051346229895
- Maria Alexov, M.D.Mesa, AZ 852061952361271
- Adonis Jabbour, M.D.Mesa, AZ 852061356463160
- Resmi Nair, MDMesa, AZ 852061700141637
- Aparajita Singh, M.D.Mesa, AZ 852061215020052
- Pilu Dali, M.D.Mesa, AZ 852091790701191
- Celestine Tchikounzi, D.OMesa, AZ 852091790971760
Common questions
What is Joseph K. Zachariah, DO's NPI number?
Joseph K. Zachariah, DO's National Provider Identifier (NPI) is 1649293895, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph K. Zachariah, DO located?
The NPPES record lists a practice address at 1400 S Dobson RD, Mesa, AZ, 85202. Phone: (480) 412-3000. Providers update this record themselves, so call before visiting.
How can I verify Joseph K. Zachariah, DO's license?
NPPES lists Arizona license number 3216, 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 K. Zachariah, DO prescribe under Medicare Part D?
In 2024, Joseph K. Zachariah, DO had 351 Medicare Part D claims for 75 beneficiaries; the average among infectious disease physician prescribers was 689. 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.