State Specialty Directory
Geriatric Medicine (Internal Medicine) Physician in CA
Federal CMS data for 92 geriatric medicine (internal medicine) physician providers across CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
92
Providers
Median industry payments
$1,085
92
Geriatric Medicine (Internal Medicine) Physician Providers
in CA
$1,085
Median Industry Payments
per provider (2018–2024)
1,639
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.
Geriatric Medicine (Internal Medicine) Physician includes multiple subspecialties with different practice patterns.
Learn more →
Showing top 50 of 92 providers, ranked by Medicare service volume. Search by city to narrow results.
Geriatric Medicine (Internal Medicine) Physician Providers — CA
NPPES · Open Payments · Medicare| Provider | City | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|---|
| HENRY, STEPHEN M.D. | Pasadena | 118,248 | — | Testosterone enanthate injection | $24,333 (2018-2024) | — | Very High |
| CHEEMA, CHANDAN MD | Yuba City | 19,856 | — | Abatacept infusion (Orencia) | $112 (2020-2024) | — | Very High |
| MANN, RUPINDER M D INC | Rancho Mirage | 19,363 | — | Chronic care management, first 20 min/month | $1,944 (2020-2024) | — | Very High |
| HEKMATI, ARMAN M.D. | Los Angeles | 16,082 | — | Office visit, established patient (30-39 min) | $13,092 (2018-2024) | — | Very High |
| SILVERSTEIN, LAURENCE M.D. | Tarzana | 15,881 | — | Blood draw (venipuncture) | $1,855 (2018-2024) | — | Very High |
| SIVALINGAM, KANAGARATNAM M.D. | Lancaster | 14,479 | — | Office visit, established patient (30-39 min) | $7,817 (2018-2024) | — | Very High |
| KHALID, SHAFI M.D. | Poway | 13,629 | — | Steroid injection (triamcinolone) | $3,411 (2018-2024) | — | Very High |
| GILL, KULDIP M.D. | Grass Valley | 13,053 | — | Chronic care management, first 20 min/month | $7,395 (2018-2024) | — | Very High |
| BAO, YERAN M.D. | Walnut Creek | 12,186 | — | Denosumab injection (Prolia/Xgeva) | $4,407 (2018-2024) | — | Very High |
| FELDMAN, ROBERT M.D. | Laguna Hills | 8,829 | — | Denosumab injection (Prolia/Xgeva) | $1,039,982 (2018-2024) | — | Very High |
| KARAPETIAN, MICHAEL M.D. | Los Angeles | 8,603 | — | Nursing facility visit, moderate complexity | $215 (2018-2024) | — | Very High |
| TRAN, DAN M.D. | Rosemead | 7,798 | — | Office visit, established patient (20-29 min) | $10,975 (2018-2024) | — | Very High |
| SONG, CHAEWON MD | Garden Grove | 7,566 | — | Nursing facility visit, low complexity | $22,316 (2018-2024) | — | Very High |
| GORBATY, ISAAC M.D. | Tarzana | 6,976 | — | Urinalysis, manual | $340 (2019-2024) | — | Very High |
| CHIEN, NORMAN MD | Pasadena | 6,589 | — | Telephone medical discussion, 21-30 minutes | $5,151 (2018-2024) | — | Very High |
| TRINH, DZUNG MD | Fresno | 6,588 | — | Nursing facility visit, low complexity | $2,856 (2019-2024) | — | Very High |
| CHIEN, OSCAR M.D. | San Gabriel | 6,192 | — | Hospital follow-up visit, moderate complexity | $255,128 (2018-2024) | — | Very High |
| AMACHER, KATHRYN DO | Vacaville | 5,769 | — | Nursing facility visit, moderate complexity | $379 (2018-2023) | — | Very High |
| DUONG, DAT M.D. | Westminster | 5,111 | — | Chronic care management, first 20 min/month | $18,490 (2018-2024) | — | Very High |
| GHALY, AZMY MEDICAL DOCTOR | Los Angeles | 4,490 | — | Hospital follow-up visit, moderate complexity | $3,850 (2018-2024) | — | Very High |
| NGUYEN, RICHARD M.D. | San Diego | 4,488 | — | Nursing facility visit, moderate complexity | $1,110 (2018-2023) | — | Very High |
| GROSSMAN, STEPHEN M.D. | Fresno | 4,118 | — | Nursing facility visit, moderate complexity | $529 (2018-2024) | — | Very High |
| KAZAK, MICHAEL MD | Santa Maria | 4,102 | — | Office visit, established patient (30-39 min) | $783 (2018-2023) | — | Very High |
| DATTOMA, LUCIA MD | Simi Valley | 3,934 | — | Denosumab injection (Prolia/Xgeva) | $23 (2022-2022) | — | Very High |
| DANIELYAN, NOUNEH M.D. | Los Angeles | 3,884 | — | Office visit, established patient (20-29 min) | $566 (2018-2023) | — | Very High |
| MEMON, PARVEZ MD | Bakersfield | 3,440 | — | Nursing facility visit, moderate complexity | $1,858 (2018-2024) | — | Very High |
| SADDY, SHEHAB MD | Monterey | 3,349 | — | Office visit, established patient (30-39 min) | $8,347 (2018-2024) | — | Very High |
| HSU, LINDA MD | Downey | 3,310 | — | Hospital follow-up visit, moderate complexity | $1,951 (2018-2024) | — | Very High |
| PATEL, AVAN MD | Camarillo | 3,235 | — | Office visit, established patient (30-39 min) | $1,023 (2020-2024) | — | Very High |
| RASANIA, SURAJ M.D. | Upland | 3,004 | — | Office visit, established patient (30-39 min) | $11,694 (2018-2024) | — | Very High |
| KAJANI, SIKANDER M.D. | Northridge | 2,993 | — | Office visit, established patient (30-39 min) | $7,729 (2018-2024) | — | Very High |
| RAO, SEEMA MD. | Santa Rosa | 2,966 | — | Nursing facility visit, moderate complexity | $35 (2018-2019) | — | Very High |
| CHAK, KATHLEEN | Pismo Beach | 2,925 | — | Office visit, established patient (30-39 min) | $313 (2022-2024) | — | Very High |
| MAYORGA, RACHEL MD | Healdsburg | 2,887 | — | Denosumab injection (Prolia/Xgeva) | $823 (2018-2023) | — | Very High |
| NIGUIDULA, TROY MD | National City | 2,825 | — | Office visit, established patient (30-39 min) | $3,622 (2018-2024) | — | Very High |
| CHANG, ALVIN M.D. | Tustin | 2,819 | — | Home visit, established patient, low complexity | $7,538 (2018-2024) | — | Very High |
| VALIVETI, VINOD M.D. | Oxnard | 2,527 | — | Nursing facility visit, moderate complexity | $784 (2018-2024) | — | Very High |
| LEONARD, SUSAN M.D. | Los Angeles | 2,281 | — | Prolonged nursing facility care, each 15 minutes | $64 (2023-2023) | — | Very High |
| DOHERTY, HEATHER M.D. | La Jolla | 2,270 | — | Denosumab injection (Prolia/Xgeva) | $1,102 (2018-2023) | — | Very High |
| KAMALI, AZIZ M.D. | Stockton | 1,875 | — | Office visit, established patient (10-19 min) | $21,252 (2018-2024) | — | Very High |
| KIM, SEUNG M.D. | Los Angeles | 1,850 | — | Telephone medical discussion, 5-10 minutes | $280 (2019-2024) | — | Very High |
| SHAHBAZ, MAJID M.D. | La Mesa | 1,793 | — | Office visit, established patient (20-29 min) | $11,404 (2018-2024) | — | Very High |
| RAWI, TAIB D.O. | San Diego | 1,744 | — | Remote patient monitoring management, 20 min/month | $37 (2018-2020) | — | Very High |
| NGUYEN, CHRISTOPHER MD | Mission Viejo | 1,715 | — | Office visit, established patient (30-39 min) | $4,223 (2018-2024) | — | Very High |
| OLELEWE, SARAH M.D. | Hawthorne | 1,670 | — | Office visit, established patient (30-39 min) | $57 (2019-2024) | — | Very High |
| THAPER, MOHINDERPAL MD | Poway | 1,643 | — | Nursing facility visit, moderate complexity | $95 (2018-2023) | — | Very High |
| BRAVERMAN, IRA MD | National City | 1,635 | — | Blood draw (venipuncture) | $6,590 (2018-2024) | — | Very High |
| GUILLINTA, PAULO M.D. | Chula Vista | 1,559 | — | Electrocardiogram (EKG), 12-lead | $38,951 (2018-2024) | — | Very High |
| ASHTARI, MOZHGAN M.D. | Laguna Hills | 1,555 | — | Office visit, established patient (30-39 min) | $3,062 (2018-2024) | — | Very High |
| NGUYEN-DINH, THANH M.D. | San Leandro | 1,554 | — | Office visit, established patient (20-29 min) | $125 (2018-2024) | — | Very High |
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.