Specialty Directory
Geriatric Medicine (Internal Medicine) Physician in San Antonio, TX
Federal CMS data for 22 geriatric medicine (internal medicine) physician providers practicing in San Antonio, TX. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
22
Providers
Median industry payments
$10
22
Geriatric Medicine (Internal Medicine) Physician Providers
in San Antonio, TX
$10
Median Industry Payments
per provider (2018–2024)
0
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.
Geriatric Medicine (Internal Medicine) Physician includes multiple subspecialties with different practice patterns.
Learn more →
Geriatric Medicine (Internal Medicine) Physician Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| MEYYAPPAN, DEVI | 27,354 | 901 | Pembrolizumab injection (Keytruda) | $3,003 (2020-2024) | Travel (63%) | Very High |
| KASPERKHAN, JIBRAIL M.D. | 5,986 | 1,771 | Nursing facility visit, moderate complexity | $1,601 (2018-2024) | Food & Beverage (99%) | Very High |
| IZNAOLA -ESQUIVEL, OSCAR M.D. | 2,313 | 535 | Hospital follow-up visit, moderate complexity | $672 (2018-2023) | Food & Beverage (100%) | Very High |
| LICHTENSTEIN, MICHAEL MD | 1,566 | 685 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | $0 | — | High |
| GARCIA, CESAR M.D. | 1,037 | 602 | Office visit, established patient (30-39 min) | $465 (2018-2022) | Food & Beverage (100%) | Very High |
| PRANGE, MARK MD | 386 | 125 | Nursing facility visit, moderate complexity | $0 | — | High |
| FINLEY, MARGARET MD | 340 | 217 | Hospital follow-up visit, moderate complexity | $0 | — | High |
| VURA, NAGA VENKATA RAMA KR MD | 149 | 98 | Hospital follow-up visit, high complexity | $122 (2024-2024) | Food & Beverage (100%) | Very High |
| DAHM, DENISE M.D. | 107 | 78 | Office visit, established patient (30-39 min) | $0 | — | Moderate |
| MORROW, JASON MD | 106 | 64 | Hospital follow-up visit, high complexity | $130 (2018-2023) | Food & Beverage (100%) | Very High |
| GUAN, DIFU MD | — | — | — | $0 | — | Low |
| WOOD, DAVID D.O. | — | — | — | $28 (2020-2023) | Food & Beverage (100%) | Moderate |
| THAYIL, JOSEPH MD | — | — | — | $0 | — | Low |
| MIRK, ANNA M.D. | — | — | — | $0 | — | Low |
| DAVIS, KENNETH MD | — | — | — | $125 (2023-2023) | Food & Beverage (100%) | Moderate |
| REYNA, ROWLAND M.D. | — | — | — | $67 (2018-2019) | Food & Beverage (100%) | Moderate |
| AMAYA GREVER, ILIANA M.D. | — | — | — | $171 (2018-2019) | Food & Beverage (100%) | Moderate |
| EUSUFZAI, SHARIF M.D., PHD | — | — | — | $0 | — | Low |
| HORTON, MONICA M.D. | — | — | — | $0 | — | Low |
| VOLPI, ELENA MD | — | — | — | $21 (2022-2022) | Food & Beverage (100%) | Moderate |
| LUM, HELEN M.D. | — | — | — | $0 | — | Low |
| RICO RIBEROLL, GRECIA MD | — | — | — | $0 | — | Low |
Note: Geriatric Medicine (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.
By Practice Pattern
Geriatric Medicine (Internal Medicine) Physician encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
General Practice (12)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| GUAN, DIFU | 0 | $0 |
| WOOD, DAVID | 0 | $28 |
| THAYIL, JOSEPH | 0 | $0 |
| MIRK, ANNA | 0 | $0 |
| DAVIS, KENNETH | 0 | $125 |
| REYNA, ROWLAND | 0 | $67 |
| AMAYA GREVER, ILIANA | 0 | $171 |
| EUSUFZAI, SHARIF | 0 | $0 |
| HORTON, MONICA | 0 | $0 |
| VOLPI, ELENA | 0 | $21 |
Mixed Practice (6)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| MEYYAPPAN, DEVI | 27,354 | $3,003 |
| IZNAOLA -ESQUIVEL, OSCAR | 2,313 | $672 |
| PRANGE, MARK | 386 | $0 |
| FINLEY, MARGARET | 340 | $0 |
| VURA, NAGA VENKATA RAMA KR | 149 | $122 |
| MORROW, JASON | 106 | $130 |
Clinical Cardiology (4)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| KASPERKHAN, JIBRAIL | 5,986 | $1,601 |
| LICHTENSTEIN, MICHAEL | 1,566 | $0 |
| GARCIA, CESAR | 1,037 | $465 |
| DAHM, DENISE | 107 | $0 |