State Specialty Directory

Allergy & Immunology (Internal Medicine) Physician in TX

Federal CMS data for 45 allergy & immunology (internal medicine) physician providers across TX. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

45
Providers
Median industry payments
$3,610
45
Allergy & Immunology (Internal Medicine) Physician Providers
in TX
$3,610
Median Industry Payments
per provider (2018–2024)
383
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only Medicare fee-for-service patients (typically 65+). This does not represent total practice volume. Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing. Allergy & Immunology (Internal Medicine) Physician includes multiple subspecialties with different practice patterns. Learn more →

Allergy & Immunology (Internal Medicine) Physician Providers — TX

NPPES · Open Payments · Medicare
ProviderCityMedicare VolumeBeneficiaries*Top ProcedureIndustry PaymentsPayment TypeCoverage
SAADEH, CONSTANTINE M.D.AMARILLO173,70811,284Tocilizumab injection (Actemra)$64,013 (2018-2024)Consulting (84%) Very High
PRASERTSUNTARASAI, THEERAPOL MDLUBBOCK36,044932Infliximab infusion (Remicade)$10,641 (2018-2024)Food & Beverage (100%) Very High
BAXTER, BARBARA MDDALLAS22,3571,006Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg$6,685 (2018-2024)Food & Beverage (73%) Very High
BIGGS, SARAH MDAMARILLO13,711935Allergy immunotherapy preparation$2,200 (2020-2024)Food & Beverage (100%) Very High
JOHNSON, ALFRED D.O.RICHARDSON12,978926Allergy immunotherapy preparation$2,325 (2018-2024)Food & Beverage (96%) Very High
SHOME, GOUTAM M.D.LUBBOCK9,602846Allergy skin test$24,403 (2018-2024)Consulting (65%) Very High
SARAF, SUNIL M.D.PASADENA4,838592Allergy skin test$8,401 (2018-2024)Food & Beverage (96%) Very High
VILLARREAL, RAUL M.D.LIVE OAK4,344310Allergy skin test$14,690 (2018-2024)Food & Beverage (82%) Very High
OMAR, ASAD MDEL PASO3,9381,328Hospital follow-up visit, moderate complexity$1,454 (2018-2024)Food & Beverage (100%) Very High
CALAIS, CHARLES D.OSAN ANTONIO3,616273Allergy skin test$3,902 (2021-2024)Food & Beverage (100%) Very High
SRIDHARA, SRIVIDYA M.DMURPHY3,611253Allergy skin test$6,249 (2018-2024)Food & Beverage (100%) Very High
COLE, STEVEN D.O.DALLAS3,014302Allergy skin test$4,134 (2018-2024)Food & Beverage (100%) Very High
SIDDIQUI, MOHAMMAD MDBEAUMONT2,8851,382Hospital follow-up visit, moderate complexity$4,602 (2018-2024)Food & Beverage (100%) Very High
SHAH, PANKAJ M.D.HOUSTON2,789216Critical care, first 30-74 min$847 (2018-2024)Food & Beverage (95%) Very High
ARFEEN, QAMAR M.D.BEAUMONT1,811600Allergy immunotherapy preparation$5,715 (2018-2024)Food & Beverage (100%) Very High
CLAYTON, ELISABETH MDAUSTIN1,669256Allergy skin test$714 (2020-2024)Food & Beverage (100%) Very High
CASILLAS, ADRIAN MDEL PASO1,163144Allergy skin test$24,566 (2018-2024)Consulting (93%) Very High
MCCRACKEN, JENNIFER MDGALVESTON76076Allergy skin test$8,992 (2018-2024)Consulting (74%) Very High
VOLZ, MICHAEL M.D.AUSTIN702120Allergy immunotherapy preparation$98,489 (2018-2024)Honoraria (52%) Very High
WYSOCKI, CHRISTIAN M.D., PH.D.DALLAS493197Allergy immunotherapy preparation$1,358 (2018-2024)Food & Beverage (92%) Very High
PUNJABI, NARENDRA MDAUSTIN428108Office visit, established patient (20-29 min)$1,639 (2018-2024)Food & Beverage (100%) Very High
ANDREW, SUSAN MDDICKINSON38822Allergy skin test$18,444 (2018-2024)Consulting (63%) Very High
CHRISTIANS, NICOLE MDLEAGUE CITY38368Test for allergy using allergenic extract injected into skin$3,565 (2018-2024)Food & Beverage (100%) Very High
CALHOUN, WILLIAM MDGALVESTON199184Office visit, established patient (30-39 min)$658,827 (2018-2024)Consulting (80%) Very High
TRIPPLE, JULIA M.D.GALVESTON10777Office visit, established patient (30-39 min)$3,628 (2018-2023)Consulting (79%) Very High
MAHDAVINIA, MAHBOOBEH HOUSTON9875Office visit, established patient (30-39 min)$5,841 (2018-2024)Grant (51%) Very High
KHAN, DAVID MDDALLAS9582Office visit, established patient (30-39 min)$11,128 (2018-2024)Consulting (51%) Very High
SUR, SANJIV MDHOUSTON5239Office visit, established patient (30-39 min)$595 (2018-2024)Food & Beverage (100%) Very High
GRUCHALLA, REBECCA MD PHDDALLAS4745New patient office visit (45-59 min)$623 (2018-2024)Food & Beverage (100%) Very High
NGUYEN, JOHNNY DOHOUSTON1212Office visit, established patient (20-29 min)$1,621 (2019-2024)Food & Beverage (100%) Very High
MCNALLY, JOSEPH MDCORSICANA$0 Low
HASSAN, SAFFANA M.D.HOUSTON$597 (2018-2021)Food & Beverage (100%) High
QUINN, JAMES M.D.FORT SAM HOUSTON$0 Low
PRENTICE, WARD PA CDICKINSON$6,108 (2021-2024)Food & Beverage (98%) High
HARRISON, LYNDALL MDHOUSTON$1,880 (2018-2023)Food & Beverage (100%) High
GRANT, JOHN MDGALVESTON$2,327 (2018-2024)Food & Beverage (100%) High
WOEHLER, THOMAS M.D.HOUSTON$0 Low
ACOSTA, RIGOBERTO M.D.COLLEGE STATION$16 (2022-2022)Food & Beverage (100%) Moderate
NICHOLAS, SARAH MDHOUSTON$25,517 (2018-2024)Consulting (86%) High
GEORGE, BENJAMIN PAFORT WORTH$3,610 (2021-2024)Food & Beverage (98%) High
CHAMBLISS, JEFFREY MDDALLAS$2,678 (2018-2024)Consulting (54%) High
WU, ALBERT MDHOUSTON$6,032 (2018-2023)Food & Beverage (93%) High
WANG, QING MDFORT CAVAZOS$22 (2023-2023)Food & Beverage (100%) Moderate
ADAME, MICHAEL MDSAN ANTONIO$1,682 (2022-2024)Food & Beverage (100%) Moderate
OSMAN, BARAA DOARLINGTON$19 (2024-2024)Food & Beverage (100%) Moderate
Note: Allergy & Immunology (Internal Medicine) Physician encompasses multiple subspecialties with different practice patterns. Differences in payment amounts and procedure volumes may reflect subspecialty focus rather than practice quality. Consider viewing individual profiles for full context.
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →