NPPES file of Aug 9, 2026

Wassim Ballan, MD

Pediatric Infectious Diseases Physician · Phoenix, AZ

Wassim Ballan, MD is a pediatric infectious diseases physician with a practice address in Phoenix, Arizona, and NPI 1598981698, issued on Apr 17, 2007. Check the license (Arizona 36477, 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
1598981698
Name
Wassim Ballan
Credential
MD
Primary taxonomy
Pediatric Infectious Diseases Physician 2080P0208X
License number
36477 AZ
Self-reported in NPPES; status is on the state search
Practice location
1919 E Thomas RD, Phoenix, AZ 85016
Phone
(602) 933-1060
Enumerated
Apr 17, 2007
Record last updated
Oct 22, 2025
Fax
(602) 933-8982
Medicaid ID
230583-01 AZ
Medicare enrollment
Enrolled (PECOS I20070807000010); 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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8 nearest pediatric infectious diseases physician records → All 16 in Arizona → Look up another NPI →

Also registered at 1919 E Thomas RD

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

  1. Asmaa Aamir, M.D.Diagnostic Radiology Physician1912163791
  2. Madeline Aaron, APRN-RNPPediatric Nurse Practitioner1851134837
  3. Brandon Abbott, D.O., M.P.H.Hospitalist Physician1528350139
  4. Jason AbbottStudent in an Organized Health Care Education/Training Program1184257958
  5. Monica Abd El Nour, MDPediatric Infectious Diseases Physician1760044101
  6. Lindsay Abel, DOStudent in an Organized Health Care Education/Training Program1750222055

Verify Wassim Ballan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 36477    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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One hospital affiliation

  1. Phoenix Children's HospitalPhoenix, AZ · Childrens

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Wassim Ballan among 16 pediatric infectious diseases physician records in Arizona

Wassim Ballan, MD is one of 16 pediatric infectious diseases physician records with a practice address in Arizona. 63% 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 56% of them.

  • NPI issued2007 · 56% of these records are older, 31% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • 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 2080P0208X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Infectious Diseases Physician providers in Arizona

There are 16 pediatric infectious diseases physician records in Arizona.

All 16 in Arizona → Every provider in Phoenix → Pediatric Infectious Diseases Physician nationwide →

The 8 pediatric infectious diseases physician records with the nearest ZIP codes

  1. Monica Abd El Nour, MDPhoenix, AZ 850161760044101
  2. Matilda Baraka, M.D., M.P.H.Phoenix, AZ 850161952765679
  3. Joseph Nania, MDPhoenix, AZ 850161114014222
  4. Scott Ostdiek, M.D.Phoenix, AZ 850161548236631
  5. Julia Piwoz, M.D.Phoenix, AZ 850161285601682
  6. Chokechai Rongkavilit, M.D.Phoenix, AZ 850161245277730
  7. Matthew Smith, M.D.Phoenix, AZ 850161407821929
  8. Ilin Chuang, M.D.Phoenix, AZ 850071295781771

Common questions

What is Wassim Ballan, MD's NPI number?

Wassim Ballan, MD's National Provider Identifier (NPI) is 1598981698, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Wassim Ballan, MD located?

The NPPES record lists a practice address at 1919 E Thomas RD, Phoenix, AZ, 85016. Phone: (602) 933-1060. Providers update this record themselves, so call before visiting.

How can I verify Wassim Ballan, MD's license?

NPPES lists Arizona license number 36477, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.