Specialty Directory
Dermatology in Irvine, CA
Federal CMS data for 12 dermatology providers practicing in Irvine, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
12
Providers
Median industry payments
$2,162
12
Dermatology Providers
in Irvine, CA
$2,162
Median Industry Payments
per provider (2018–2024)
1,062
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.
Dermatology includes multiple subspecialties with different practice patterns.
Learn more →
Dermatology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| TRAN, HIEN M.D.-PH.D. | 5,319 | — | Destruction of precancerous skin growths, 2-14 | $1,079 (2018-2024) | — | Very High |
| DOAN, LINDA M.D. | 3,828 | — | Tissue pathology examination, moderate complexity | $233 (2018-2018) | — | Very High |
| GRANDO, SERGEI MD, PHD, DSCI | 1,934 | — | Steroid injection (triamcinolone) | $12,561 (2018-2024) | — | Very High |
| KIM, ALYSSA M.D. | 1,828 | — | Destruction of precancerous skin growths, 2-14 | $706 (2018-2024) | — | Very High |
| VATANCHI, MARJON M.D. | 1,464 | — | Destruction of precancerous skin growths, 2-14 | $27,587 (2018-2024) | — | Very High |
| SHIVE, MELISSA | 1,068 | — | Destruction of precancerous skin growths, 2-14 | $269 (2018-2023) | — | Very High |
| SHIU, JESSICA | 1,056 | — | Destruction of precancerous skin growths, 2-14 | $80 (2022-2022) | — | Very High |
| GREWAL, SUNGAT MD | 988 | — | UV therapy with tar or petroleum jelly | $318 (2021-2024) | — | Very High |
| LAQUER, VIVIAN M.D. | 829 | — | Laser treatment for inflammatory skin disease, less than 250 sq cm | $131,836 (2018-2024) | — | Very High |
| ROJEK, NATHAN M.D. | 535 | — | Office visit, established patient (30-39 min) | $3,245 (2021-2024) | — | Very High |
| ZACHARY, CHRISTOPHER M.D. | 477 | — | UV therapy with tar or petroleum jelly | $9,872 (2018-2024) | — | Very High |
| RAO, RAMYA MD | 274 | — | Office visit, established patient (30-39 min) | $11,322 (2018-2024) | — | Very High |
Note: Dermatology 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
Dermatology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (9)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| TRAN, HIEN | 5,319 | $1,079 |
| GRANDO, SERGEI | 1,934 | $12,561 |
| VATANCHI, MARJON | 1,464 | $27,587 |
| SHIVE, MELISSA | 1,068 | $269 |
| SHIU, JESSICA | 1,056 | $80 |
| GREWAL, SUNGAT | 988 | $318 |
| ROJEK, NATHAN | 535 | $3,245 |
| ZACHARY, CHRISTOPHER | 477 | $9,872 |
| RAO, RAMYA | 274 | $11,322 |
Mixed Practice (3)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| DOAN, LINDA | 3,828 | $233 |
| KIM, ALYSSA | 1,828 | $706 |
| LAQUER, VIVIAN | 829 | $131,836 |