Market
Oxnard-Thousand Oaks-Ventura, CA
Specialties
Counties
Billing organizations
ACOs
10-Year Market Trend
| Year | Physicians | Billing Orgs | ACOs | 65+ Population | Physician Growth % | 65+ Population Growth % |
|---|---|---|---|---|---|---|
| 2014 | 1,293 | 730 | 43 | 105,599 | N/A | N/A |
| 2015 | 1,361 | 762 | 44 | 110,084 | +5.3% | +4.2% |
| 2016 | 1,466 | 787 | 46 | 114,620 | +7.7% | +4.1% |
| 2017 | 1,558 | 809 | 47 | 119,246 | +6.3% | +4% |
| 2018 | 1,625 | 829 | 51 | 123,435 | +4.3% | +3.5% |
| 2019 | 1,740 | 860 | 55 | 127,628 | +7.1% | +3.4% |
| 2020 | 1,809 | 872 | 55 | 131,672 | +4% | +3.2% |
| 2021 | 1,962 | 905 | 64 | 132,487 | +8.5% | +0.6% |
| 2022 | 2,105 | 916 | 69 | 137,596 | +7.3% | +3.9% |
| 2023 | 2,226 | 938 | 70 | 141,315 | +5.7% | +2.7% |
| 2024 | 2,417 | 964 | 79 | 145,793 | +8.6% | +3.2% |
Top Counties
Top Specialties
| Specialty | Physicians | % |
|---|---|---|
| Family practice | 378 | 11% |
| Physical therapist (private practice) | 340 | 9.9% |
| Internal medicine | 246 | 7.2% |
| Physician assistant | 213 | 6.2% |
| Nurse practitioner | 207 | 6% |
| Anesthesiology | 139 | 4.1% |
| Chiropractic | 122 | 3.6% |
| Optometrist | 118 | 3.4% |
| Clinical psychologist | 113 | 3.3% |
| Emergency medicine | 110 | 3.2% |
Top Billing Organizations
| Billing Org NPI | Org Name | Physicians | % |
|---|---|---|---|
| 1629167457 | COUNTY OF VENTURA | 238 | 6.9% |
| 1275756652 | SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP | 111 | 3.2% |
| 1235107566 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | 109 | 3.2% |
| 1952333478 | SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP | 91 | 2.7% |
| 1871547315 | VENTURA ORTHOPEDICS MEDICAL GROUP, INC. | 87 | 2.5% |
| 1770830325 | TWO TREES PHYSICAL THERAPY & WELLNESS INC | 55 | 1.6% |
| 1386937977 | DIGNITY HEALTH MEDICAL FOUNDATION | 41 | 1.2% |
| 1962457812 | BEVERLY RADIOLOGY MEDICAL GROUP III | 37 | 1.1% |
| 1417970849 | PRIMARY MEDICAL GROUP OF VENTURA COUNTY INC | 36 | 1.1% |
| 1952792475 | INPATIENT SPECIALISTS OF CALIFORNIA, PC | 34 | 1% |
Top ACOs
| ACO ID | ACO Name | Physicians | % |
|---|---|---|---|
| A4604 | Caravan Collaborative Pathways | 390 | 11.4% |
| A2164 | CommonSpirit ACO I | 72 | 2.1% |
| A3873 | Adventist Health Accountable Care, LLC | 53 | 1.5% |
| D0015 | Rancho Health Management, LLC | 41 | 1.2% |
| A2342 | Health Connect Partners, LLC | 32 | 0.9% |
| A5483 | Collaborative ACO 30, LLC | 30 | 0.9% |
| A5220 | Sound Physicians Long Term Care Management, LLC | 29 | 0.8% |
| A5045 | Optum California ACO | 21 | 0.6% |
| A4775 | Aledade 60 CA MSSP Enhanced | 18 | 0.5% |
| A5192 | Lore Health ACO | 17 | 0.5% |
Top Physicians by Billing Paid Amount
| Physician | NPI | Specialty | Billing Paid Amount |
|---|---|---|---|
| Ramtin T. Massoudi, M.D. | 1538384797 | Family practice | $9,650,534.75 |
| Shariar Cohen-Gadol, M.D. | 1013054865 | Rheumatology | $7,118,314.37 |
| Gautam Sukhabhai Bhakta, MD | 1588676407 | Internal medicine | $6,877,972.98 |
| Shahryar A. Ashouri, M.D. | 1609946169 | Hematology/oncology | $6,210,044.31 |
| Samuel Jacob Slomowitz, M.D. | 1659525756 | Hematology/oncology | $6,154,608.35 |
| Tony Makhlouf, MD | 1992932214 | Hospitalist | $4,250,633.94 |
| Elvira Alexandrovna Lindwall, M.D. | 1881890713 | Rheumatology | $4,134,165.13 |
| Bahareh Bahadini, MD | 1295734614 | Medical oncology | $3,607,636.13 |
| Joshua Daniel Rosenberg, MD | 1124280896 | Hematology/oncology | $3,288,231.26 |
| Ashwin Kashyap, M.D. | 1861495475 | Hematology/oncology | $3,247,721.02 |
| Julie Huynh, MD | 1619286101 | Hematology/oncology | $3,204,794.40 |
| Mahshid Melody Mosallaei-Benjamin, M.D. | 1568515138 | Hematology/oncology | $3,064,875.39 |
| Rodolfo Gutierrez, MD | 1184920944 | Hematology/oncology | $2,832,569.18 |
| Sabrina A. Hardy, MD | 1821595638 | Hematology/oncology | $2,815,658.15 |
| Lauren Elizabeth Eisenbud, MD | 1245650563 | Hematology/oncology | $2,768,344.21 |
| Shahrzad Shareghi, M.D. | 1811176720 | Cardiology | $2,625,110.13 |
| Vishva Dev, M.D. | 1770513723 | Cardiology | $2,311,009.42 |
| Sidharth Ravi Anand, M.D. | 1336453810 | Medical oncology | $2,205,695.22 |
| Michael S Benjamin, M.D. | 1619933132 | Hematology/oncology | $2,152,200.65 |
| Jeffrey K Luttrull, M.D | 1477573319 | Ophthalmology | $2,065,083.18 |
| Dong Yang, M.D. | 1902124076 | Ophthalmology | $2,064,837.26 |
| Robert Stephen Dye, M.D. | 1215095179 | Dermatology | $2,030,864.97 |
| Edmund H Wong, M.D | 1336352335 | Diagnostic Radiology | $1,992,100.48 |
| Erik C Spayde, MD | 1609818822 | Orthopedic surgery | $1,934,632.13 |
| Robin Lloyd Dietz, MD | 1306256292 | Pathology | $1,835,534.32 |
| Fukai Leo Chuang, M.D. | 1295985778 | Hematology/oncology | $1,752,318.87 |
| Cristina N. Porch-Curren, M.D. | 1053314724 | Allergy/immunology | $1,735,649.22 |
| Richard B Rothschild, MD | 1700847126 | Cardiology | $1,600,856.14 |
| Hal Marcus Weitzbuch, M.D., M.S., FAAD | 1669629317 | Dermatology | $1,515,756.58 |
| Scott A Zager, MD | 1467412304 | Cardiology | $1,445,653.17 |
| Ayhan Yoruk, MD | 1003235052 | Cardiac Electrophysiology | $1,374,314.56 |
| David E Schmidt, MD | 1356301220 | Cardiology | $1,355,009.77 |
| Vaughn Aram Eyvazian, M.D. | 1295129492 | Internal medicine | $1,353,169.83 |
| Lynn R Kong, MD | 1952356933 | Hematology/oncology | $1,337,044.47 |
| Neda Heidari, MD | 1003028556 | Neurology | $1,316,563.46 |
| Michael Nicholas Papanicolaou, M.D. | 1922038967 | Cardiology | $1,294,039.66 |
| Joel Michael Corwin, M.D. | 1518901651 | Ophthalmology | $1,243,207.76 |
| Ali Alizadeh Sovari, M.D. | 1184823494 | Cardiac Electrophysiology | $1,229,595.05 |
| Afrouz S. Gerayli, MD | 1801044839 | Internal medicine | $1,196,202.40 |
| Christopher K Mosley, M.D. | 1457397937 | Diagnostic Radiology | $1,196,022.49 |
| David Gerard Aliabadi, M.D. | 1962404723 | Cardiology | $1,186,769.93 |
| Manoj Khatore, M.D. | 1528140639 | Cardiology | $1,177,395.98 |
| Michael G Bodnar, MD | 1740296698 | Dermatology | $1,160,383.16 |
| Caitlin D Tourje, M.D. | 1033571872 | Anesthesiology | $1,157,948.68 |
| Fanping Wang, M.D | 1710948112 | Cardiology | $1,130,283.66 |
| Robert Alan Princenthal, MD | 1265481295 | Diagnostic Radiology | $1,122,895.27 |
| Omid Fatemi, M.D. | 1326293143 | Interventional Cardiology | $1,119,574.56 |
| Khamaj Dave, MD | 1275594657 | Cardiology | $1,117,827.92 |
| Saranya Reghunathan, M.D. | 1811252968 | Otolaryngology | $1,105,195.42 |
| Moises Enghelberg, D.O. | 1730570896 | Ophthalmology | $1,085,597.88 |
Cross-Market Comparison by Physician County Footprint
Nearby markets based on the counties represented by physician rows in this market, weighted by physician count.
| Market | State | Distance | Physicians | 65+ Population | Physician Growth % | 65+ Population Growth % |
|---|---|---|---|---|---|---|
| Oxnard-Thousand Oaks-Ventura, CA | CA | Current | 3,426 | 145,793 | +8.6% | +3.2% |
| Los Angeles-Long Beach-Glendale, CA | CA | 51 mi | 36,237 | 1,487,700 | +7.9% | +2.7% |
| Santa Maria-Santa Barbara, CA | CA | 53 mi | 1,751 | 73,710 | +9.3% | +2.4% |
| Bakersfield-Delano, CA | CA | 72 mi | 2,303 | 108,560 | +9.2% | +2.8% |
| Anaheim-Santa Ana-Irvine, CA | CA | 91 mi | 12,390 | 514,824 | +7.9% | +3.2% |
Cross-Market Comparison by Official CBSA Geography
Nearby markets based on the official county composition of each CBSA or metropolitan division.
| Market | State | Distance | Physicians | 65+ Population | Physician Growth % | 65+ Population Growth % |
|---|---|---|---|---|---|---|
| Oxnard-Thousand Oaks-Ventura, CA | CA | Current | 3,426 | 145,793 | +8.6% | +3.2% |
| Los Angeles-Long Beach-Glendale, CA | CA | 51 mi | 36,237 | 1,487,700 | +7.9% | +2.7% |
| Santa Maria-Santa Barbara, CA | CA | 53 mi | 1,751 | 73,710 | +9.3% | +2.4% |
| Bakersfield-Delano, CA | CA | 72 mi | 2,303 | 108,560 | +9.2% | +2.8% |
| Anaheim-Santa Ana-Irvine, CA | CA | 91 mi | 12,390 | 514,824 | +7.9% | +3.2% |
California Healthcare Context
Total Physicians in California144,761
Share of California Physicians2.4%
Total Markets in California28
Rank in California by Physicians#9 of 28
Oxnard-Thousand Oaks-Ventura, CA accounts for 2.4% of physicians represented in California's market directory.
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