State Specialty Directory

Sleep Medicine (Internal Medicine) Physician in CA

Federal CMS data for 39 sleep medicine (internal medicine) physician providers across CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

39
Providers
Median industry payments
$1,778
39
Sleep Medicine (Internal Medicine) Physician Providers
in CA
$1,778
Median Industry Payments
per provider (2018–2024)
1,243
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. Sleep Medicine (Internal Medicine) Physician includes multiple subspecialties with different practice patterns. Learn more →

Sleep Medicine (Internal Medicine) Physician Providers — CA

NPPES · Open Payments · Medicare
Provider City Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
TURNS, JOHN MD Castro Valley 8,696 549 Nursing facility visit, low complexity $386 (2018-2020) Food & Beverage (100%) Very High
SOTO, DARYA MD Novato 5,274 3,699 Positive pressure ventilator therapy $3,087 (2018-2024) Food & Beverage (97%) Very High
KOOSTRA, JOHN M.D. Monterey 4,123 1,997 Office visit, established patient (30-39 min) $28,229 (2018-2024) Food & Beverage (98%) Very High
SHADI, PAYAM M.D. Los Angeles 3,820 1,948 Office visit, established patient (30-39 min) $9,213 (2018-2024) Food & Beverage (100%) Very High
MURTHY, HARISH MD San Jose 3,495 2,471 Office visit, established patient (30-39 min) $1,169 (2018-2024) Food & Beverage (100%) Very High
ELSAYEGH, ASHRAF MD Los Angeles 3,237 696 Hospital follow-up visit, high complexity $99,001 (2018-2024) Consulting (70%) Very High
HUANG, CHIN-WEI MD Tustin 2,912 1,086 Hospital follow-up visit, moderate complexity $2,277 (2018-2024) Food & Beverage (96%) Very High
POLITO, JEFFREY M.D. Santa Barbara 2,854 2,298 Office visit, established patient (20-29 min) $1,708 (2018-2024) Food & Beverage (100%) Very High
POGGEMEYER, HANS M.D. Monterey 2,196 1,224 Office visit, established patient, complex (40-54 min) $11,042 (2018-2024) Food & Beverage (100%) Very High
SHARIEF, IMRAN MD Tustin 2,079 550 Hospital follow-up visit, high complexity $337 (2018-2024) Food & Beverage (100%) Very High
GREWAL, NAVJOT San Ramon 2,055 983 Remote patient monitoring management, 20 min/month $1,090 (2018-2024) Food & Beverage (85%) Very High
MURPHY, MICHAEL MD Walnut Creek 1,916 1,695 Office visit, established patient (20-29 min) $1,907 (2018-2024) Travel (80%) Very High
FU, JUSTIN M.D. San Bernardino 1,875 414 Hospital follow-up visit, high complexity $531 (2018-2024) Food & Beverage (97%) Very High
JASMER, ROBERT M.D. Burlingame 1,626 1,114 Critical care, first 30-74 min $78,173 (2018-2024) Consulting (54%) Very High
NATHAN, MANJARI M.D. Walnut Creek 1,484 1,007 Critical care, first 30-74 min $6,226 (2018-2024) Food & Beverage (67%) Very High
KASS, RONALD MD Stockton 1,428 1,095 Office visit, established patient (20-29 min) $3,770 (2018-2024) Food & Beverage (79%) Very High
FLEMING, WESLEY MD Irvine 1,418 1,236 Home sleep test with portable monitor $1,322 (2018-2023) Food & Beverage (100%) Very High
RANDHAWA, HARPREET M.D. Yuba City 1,375 690 Office visit, established patient (30-39 min) $3,010 (2018-2024) Food & Beverage (100%) Very High
ARFAEI, AMIR MD Ventura 1,255 898 Office visit, established patient (30-39 min) $966 (2018-2024) Food & Beverage (95%) Very High
MOSTAFAVI, SAID M.D., Los Angeles 1,243 1,051 Office visit, established patient (30-39 min) $5,798 (2018-2024) Food & Beverage (100%) Very High
HART, WILLIAM M.D. Capitola 1,171 1,102 Office visit, established patient (30-39 min) $455 (2019-2024) Food & Beverage (90%) Very High
KALRA, JAGJEET MD Stockton 1,094 908 Office visit, established patient (20-29 min) $445 (2018-2024) Food & Beverage (93%) Very High
YUAN, NATHANIEL DO Ventura 1,029 934 Office visit, established patient (20-29 min) $714 (2021-2023) Food & Beverage (100%) Very High
SUNWOO, BERNIE MD San Diego 959 743 Office visit, established patient (30-39 min) $199 (2019-2019) Food & Beverage (100%) Very High
TAMMELIN, BRUCE M.D. Mission Viejo 923 762 Office visit, established patient (30-39 min) $8,256 (2018-2024) Food & Beverage (88%) Very High
NACHTWEY, FREDERICK M.D. Walnut Creek 911 734 Office visit, established patient (30-39 min) $8,028 (2018-2024) Food & Beverage (96%) Very High
POCETA, JOHN M.D. La Jolla 877 804 Office visit, established patient, complex (40-54 min) $2,362 (2018-2024) Food & Beverage (94%) Very High
CHENG, CATHY M.D. Anaheim 814 717 New patient office visit, complex (60-74 min) $1,728 (2019-2024) Food & Beverage (100%) Very High
ELHAJJAR, ANTOINE M.D. La Quinta 745 592 Office visit, established patient (30-39 min) $7,537 (2018-2024) Food & Beverage (55%) Very High
WONG, TAMMY Los Angeles 687 542 Office visit, established patient (30-39 min) $1,714 (2022-2024) Food & Beverage (100%) Very High
LEE, DAVID M.D. Temecula 641 404 Hospital follow-up visit, high complexity $16,228 (2018-2024) Consulting (33%) Very High
JAMBULINGAM, NIKITA Torrance 554 498 Office visit, established patient (30-39 min) $1,778 (2020-2023) Grant (59%) Very High
GOPLANI, SANDEEP MD Carmichael 543 501 Office visit, established patient (20-29 min) $607 (2018-2024) Food & Beverage (100%) Very High
BHARGAVA, ADITYA M.D. Dublin 513 482 Office visit, established patient (30-39 min) $96 (2024-2024) Food & Beverage (100%) Very High
KATZENBERG, DANIEL MD, PHD San Jose 486 354 Office visit, established patient (20-29 min) $1,921 (2019-2024) Food & Beverage (100%) Very High
CHILIAN, IRINA M.D. Duarte 346 313 New patient office visit, complex (60-74 min) $328 (2018-2024) Food & Beverage (100%) Very High
SINHA, DEEPTI M.D., FRACP Burlingame 300 228 Office visit, established patient (30-39 min) $480 (2018-2024) Food & Beverage (74%) Very High
ARTINIAN, HOVIG M.D. Clovis 177 172 Office visit, established patient (20-29 min) $3,207 (2018-2024) Food & Beverage (96%) Very High
JONES, ROBERT MD Pomona 125 105 Office visit, established patient (30-39 min) $399 (2018-2022) Food & Beverage (100%) Very High
Note: Sleep 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.
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 →