Specialty Directory

Internal Medicine in Yorba Linda, CA

Federal CMS data for 6 internal medicine providers practicing in Yorba Linda, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

6
Providers
Median industry payments
$1,139
6
Internal Medicine Providers
in Yorba Linda, CA
$1,139
Median Industry Payments
per provider (2018–2024)
892
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. Internal Medicine includes multiple subspecialties with different practice patterns. Learn more →

Internal Medicine Providers

NPPES · Open Payments · Medicare
Provider Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
MOON, ALFRED M.D. 2,344 253 Allergy skin test $9,297 (2018-2024) Food & Beverage (84%) Very High
TUMMURU, GIRI M.D. 1,430 635 Hospital follow-up visit, high complexity $2,250 (2018-2024) Food & Beverage (100%) Very High
GARCES, MAXIMILIAN M.D. 1,059 640 Office visit, established patient (30-39 min) $1,698 (2018-2024) Food & Beverage (99%) Very High
FOLEY, ALLISON MD 724 499 Office visit, established patient (30-39 min) $336 (2018-2024) Food & Beverage (94%) Very High
LANDMAN, ROBERT M.D. 661 397 Office visit, established patient (30-39 min) $581 (2018-2023) Food & Beverage (97%) Very High
VERCAMMEN-GRANDJEAN, CHRISTOPHER MD 586 336 Office visit, established patient (20-29 min) $411 (2018-2023) Education (65%) Very High
Note: Internal Medicine 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

Internal Medicine encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.

Clinical Cardiology (5)

ProviderMedicare VolumeIndustry Payments
TUMMURU, GIRI 1,430 $2,250
GARCES, MAXIMILIAN 1,059 $1,698
FOLEY, ALLISON 724 $336
LANDMAN, ROBERT 661 $581
VERCAMMEN-GRANDJEAN, CHRISTOPHER 586 $411

Mixed Practice (1)

ProviderMedicare VolumeIndustry Payments
MOON, ALFRED 2,344 $9,297
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 →