Mazen Arar, MD
Pediatric Nephrology Physician · San Antonio, TX
Mazen Arar, MD is a pediatric nephrology physician with a practice address in San Antonio, Texas, and NPI 1962519033, issued on Aug 24, 2006. Check the license (Texas J2861, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mazen Arar
- Credential
- MD
- Primary taxonomy
- Pediatric Nephrology Physician 2080P0210X
- License number
- J2861 TX
Self-reported in NPPES; status is on the state search - Practice location
- 333 N Santa Rosa, 2ND FL, San Antonio, TX 78207
- Phone
- (210) 257-1400
- Enumerated
- Aug 24, 2006
- Record last updated
- May 22, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 129493605 TX
- Medicare enrollment
- Enrolled (PECOS I20090421000674); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric nephrology physician records → All 76 in Texas → Look up another NPI →
Verify Mazen Arar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J2861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average pediatric nephrology physician in 2024
124 Medicare Part D claims for 15 beneficiaries, against an average of 67 among the 387 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate20 claims
- Labetalol Hcl13 claims
- Pantoprazole Sodium11 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.
Industry payments in 2024: $1,383.24
13 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 297 providers of this specialty with any payment received $3,704.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Texas Health Science Center AT San AntonioSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mazen Arar among 76 pediatric nephrology physician records in Texas
Mazen Arar, MD is one of 76 pediatric nephrology physician records with a practice address in Texas. 82% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 62% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1980 · median 2002 among the 60 with a school on file
- Record last updated2008 · 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 2080P0210X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Nephrology Physician providers in Texas
There are 76 pediatric nephrology physician records in Texas.
All 76 in Texas → Every provider in San Antonio → Pediatric Nephrology Physician nationwide →
The 8 pediatric nephrology physician records with the nearest ZIP codes
- Asmaa Abu Maziad, MDSan Antonio, TX 782071922394139
- Michel Baum, MDSan Antonio, TX 782071841251808
- Melissa Cadnapaphornchai, MDSan Antonio, TX 782071477638112
- Maria Sherry Ann Caimol, M.D.San Antonio, TX 782071588827810
- Khurrum Siddique, M.D.San Antonio, TX 782071154640324
- Rajasree Sreedharan, M.D.San Antonio, TX 782071922031079
- Kim Piburn, D.O.San Antonio, TX 782291164875076
- Daniel Ranch, MDSan Antonio, TX 782291457477101
Common questions
What is Mazen Arar, MD's NPI number?
Mazen Arar, MD's National Provider Identifier (NPI) is 1962519033, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mazen Arar, MD located?
The NPPES record lists a practice address at 333 N Santa Rosa, 2ND FL, San Antonio, TX, 78207. Phone: (210) 257-1400. Providers update this record themselves, so call before visiting.
How can I verify Mazen Arar, MD's license?
NPPES lists Texas license number J2861, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mazen Arar, MD prescribe under Medicare Part D?
In 2024, Mazen Arar, MD had 124 Medicare Part D claims for 15 beneficiaries; the average among pediatric nephrology physician prescribers was 67. 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.