Specialty Directory
Hematology & Oncology in San Antonio, TX
Federal CMS data for 47 hematology & oncology providers practicing in San Antonio, TX. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
47
Providers
Median industry payments
$7,979
47
Hematology & Oncology Providers
in San Antonio, TX
$7,979
Median Industry Payments
per provider (2018–2024)
1,816
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; disclosure alone establishes neither wrongdoing nor legality.
Hematology & Oncology includes multiple subspecialties with different practice patterns.
Learn more →
Hematology & Oncology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| DAGGUBATI, SREEDEVI MD | 254,565 | — | Azacitidine chemotherapy injection | $6,820 (2018-2024) | — | Very High |
| BEERAM, SRIDHAR MD | 131,964 | — | Darbepoetin injection (Aranesp) for anemia | $51,121 (2018-2024) | — | Very High |
| KALTER, STEVEN M.D. | 103,534 | — | Iron infusion (Injectafer) | $30,595 (2018-2024) | — | Very High |
| ULMER, SCOTT M.D. | 96,527 | — | Iron infusion (Injectafer) | $29,750 (2018-2024) | — | Very High |
| CHALLAGUNDLA, SUNEETHA MD | 85,778 | — | Darbepoetin injection (Aranesp) for anemia | $7,979 (2018-2024) | — | Very High |
| RENSHAW, JOHN M.D. | 54,860 | — | Darbepoetin injection (Aranesp) for anemia | $321,716 (2018-2024) | — | Very High |
| FRIEDMAN, DAVID MD | 54,279 | — | Darbepoetin injection (Aranesp) for anemia | $10,957 (2018-2024) | — | Very High |
| GUZLEY, GREGORY MD | 53,463 | — | Iron infusion (Feraheme) | $14,482 (2018-2024) | — | Very High |
| BUCHEIT, AMANDA MD | 53,104 | — | Iron infusion (Injectafer) | $3,788 (2018-2024) | — | Very High |
| HARB, ANTOINE MD | 48,680 | — | Iron infusion (Injectafer) | $7,994 (2018-2024) | — | Very High |
| SANTIAGO, MANUEL MD | 44,847 | — | Iron infusion (Feraheme) | $4,416 (2018-2024) | — | Very High |
| DING, JENNIFER | 44,755 | — | Iron infusion (Injectafer) | $1,541 (2021-2024) | — | Very High |
| MIER HICKS, ANGEL M.D. | 42,837 | — | Iron infusion (Feraheme) | $2,561 (2018-2024) | — | Very High |
| APONTE, EMMALIND MD | 42,743 | — | Darbepoetin injection (Aranesp) for anemia | $9,434 (2018-2024) | — | Very High |
| DHAM, ANU MD | 37,352 | — | Iron sucrose injection (Venofer) | $12,339 (2018-2024) | — | Very High |
| MEDELLIN, JESSE | 29,242 | — | Darbepoetin injection (Aranesp) for anemia | $3,250 (2018-2024) | — | Very High |
| SURAPANENI, PRATHIBHA | 29,004 | — | Iron infusion (Injectafer) | $1,594 (2019-2024) | — | Very High |
| TIPIRNENI, ESWAR | 24,345 | — | Iron sucrose injection (Venofer) | $646 (2018-2024) | — | Very High |
| PORTILLO, RAUL MD | 19,394 | — | Iron sucrose injection (Venofer) | $6,020 (2018-2024) | — | Very High |
| MAZO CANOLA, MARCELA M.D. | 16,059 | — | Pembrolizumab injection (Keytruda) | $150,139 (2018-2024) | — | Very High |
| RODRIGUEZ, GLADYS M.D. | 9,696 | — | Denosumab injection (Prolia/Xgeva) | $11,531 (2018-2024) | — | Very High |
| BOWHAY-CARNES, ELIZABETH M.D. | 6,693 | — | Pembrolizumab injection (Keytruda) | $191,398 (2018-2024) | — | Very High |
| PAPADOPOULOS, KYRIAKOS M.D. | 2,376 | — | Anti-nausea injection (Aloxi/palonosetron) | $1,047 (2018-2024) | — | Very High |
| ARKHIPOV, ALEXEI M.D. | 1,816 | — | Hospital follow-up visit, moderate complexity | $15,378 (2018-2024) | — | Very High |
| FENSKE, TIMOTHY MD | 542 | — | Office visit, established patient (30-39 min) | $685,853 (2018-2024) | — | Very High |
| ZOGHI, BEHYAR MD | 471 | — | Office visit, established patient (30-39 min) | $583 (2018-2024) | — | Very High |
| WILKS, SHARON M.D. | 464 | — | Office visit, established patient (30-39 min) | $8,234 (2018-2024) | — | Very High |
| MAUGHAN, BENJAMIN MD | 462 | — | Office visit, established patient, complex (40-54 min) | $130,167 (2018-2024) | — | Very High |
| SHAUGHNESSY, PAUL M.D. | 429 | — | Hospital follow-up visit, high complexity | $419,073 (2018-2024) | — | Very High |
| CRUZ, JOSE MD | 314 | — | Hospital follow-up visit, high complexity | $49,267 (2018-2024) | — | Very High |
| MAHADEVAN, DARUKA MD, PHD | 200 | — | Office visit, established patient (30-39 min) | $29,903 (2018-2024) | — | Very High |
| MITTER, AJAY MD | 194 | — | Office visit, established patient (30-39 min) | $3,286 (2018-2024) | — | Very High |
| MCCRACKEN, JOSEPH M.D. | 75 | — | Office visit, established patient (20-29 min) | $16,361 (2018-2023) | — | Very High |
| DO, NGOC-DIEP MPA-C | — | — | — | $532 (2023-2024) | — | Moderate |
| MIMS, CHARLES MD | — | — | — | $0 | — | Low |
| ELLIS, JAMES MD | — | — | — | $367 (2018-2024) | — | Moderate |
| TOMLINSON, GAIL MD | — | — | — | $192 (2018-2024) | — | High |
| GORDON, DAVID M.D. | — | — | — | $56 (2018-2020) | — | Moderate |
| COHEN, STEPHEN M.D. | — | — | — | $548 (2018-2018) | — | Moderate |
| FISHER, THOMAS M.D. | — | — | — | $377 (2018-2022) | — | Moderate |
| GILES, FRANCIS M.D. | — | — | — | $436,858 (2018-2022) | — | Moderate |
| FREYTES, CESAR MD | — | — | — | $13,103 (2018-2024) | — | Moderate |
| ARGIRIS, ATHANASSIOS MD | — | — | — | $59,238 (2018-2023) | — | Moderate |
| GASIC, SLAVISA MD | — | — | — | $4,438 (2018-2020) | — | High |
| FIROOZMAND, AMIN M.D | — | — | — | $1,019 (2018-2024) | — | High |
| SHIPPEY, EUGEN M.D. | — | — | — | $245 (2023-2023) | — | Moderate |
| EISENMENGER, ELIZABETH | — | — | — | $150 (2024-2024) | — | Moderate |
Note: Hematology & Oncology 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.
By Practice Pattern
Hematology & Oncology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Mixed Practice (23)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| DAGGUBATI, SREEDEVI | 254,565 | $6,820 |
| BEERAM, SRIDHAR | 131,964 | $51,121 |
| KALTER, STEVEN | 103,534 | $30,595 |
| ULMER, SCOTT | 96,527 | $29,750 |
| CHALLAGUNDLA, SUNEETHA | 85,778 | $7,979 |
| RENSHAW, JOHN | 54,860 | $321,716 |
| FRIEDMAN, DAVID | 54,279 | $10,957 |
| GUZLEY, GREGORY | 53,463 | $14,482 |
| BUCHEIT, AMANDA | 53,104 | $3,788 |
| HARB, ANTOINE | 48,680 | $7,994 |
General Practice (14)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| DO, NGOC-DIEP | 0 | $532 |
| MIMS, CHARLES | 0 | $0 |
| ELLIS, JAMES | 0 | $367 |
| TOMLINSON, GAIL | 0 | $192 |
| GORDON, DAVID | 0 | $56 |
| COHEN, STEPHEN | 0 | $548 |
| FISHER, THOMAS | 0 | $377 |
| GILES, FRANCIS | 0 | $436,858 |
| FREYTES, CESAR | 0 | $13,103 |
| ARGIRIS, ATHANASSIOS | 0 | $59,238 |
Clinical Cardiology (10)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| PAPADOPOULOS, KYRIAKOS | 2,376 | $1,047 |
| FENSKE, TIMOTHY | 542 | $685,853 |
| ZOGHI, BEHYAR | 471 | $583 |
| WILKS, SHARON | 464 | $8,234 |
| MAUGHAN, BENJAMIN | 462 | $130,167 |
| SHAUGHNESSY, PAUL | 429 | $419,073 |
| CRUZ, JOSE | 314 | $49,267 |
| MAHADEVAN, DARUKA | 200 | $29,903 |
| MITTER, AJAY | 194 | $3,286 |
| MCCRACKEN, JOSEPH | 75 | $16,361 |