Market
Los Angeles-Long Beach-Glendale, CA
Specialties
Counties
Billing organizations
ACOs
10-Year Market Trend
| Year | Physicians | Billing Orgs | ACOs | 65+ Population | Physician Growth % | 65+ Population Growth % |
|---|---|---|---|---|---|---|
| 2014 | 12,436 | 6,142 | 151 | 1,149,893 | N/A | N/A |
| 2015 | 13,204 | 6,335 | 167 | 1,189,759 | +6.2% | +3.5% |
| 2016 | 14,370 | 6,520 | 171 | 1,227,202 | +8.8% | +3.1% |
| 2017 | 15,258 | 6,683 | 180 | 1,264,984 | +6.2% | +3.1% |
| 2018 | 16,299 | 6,912 | 188 | 1,299,277 | +6.8% | +2.7% |
| 2019 | 17,288 | 7,070 | 198 | 1,335,978 | +6.1% | +2.8% |
| 2020 | 17,857 | 7,163 | 204 | 1,370,141 | +3.3% | +2.6% |
| 2021 | 19,332 | 7,440 | 220 | 1,372,217 | +8.3% | +0.2% |
| 2022 | 20,848 | 7,618 | 233 | 1,415,856 | +7.8% | +3.2% |
| 2023 | 22,568 | 7,797 | 245 | 1,448,571 | +8.3% | +2.3% |
| 2024 | 24,347 | 7,934 | 274 | 1,487,700 | +7.9% | +2.7% |
Top Counties
Top Specialties
| Specialty | Physicians | % |
|---|---|---|
| Internal medicine | 3,631 | 10% |
| Nurse practitioner | 3,263 | 9% |
| Family practice | 2,624 | 7.2% |
| Physical therapist (private practice) | 2,122 | 5.9% |
| Physician assistant | 2,055 | 5.7% |
| Anesthesiology | 1,553 | 4.3% |
| Emergency medicine | 1,458 | 4% |
| Diagnostic Radiology | 973 | 2.7% |
| Psychiatry | 915 | 2.5% |
| Clinical psychologist | 890 | 2.5% |
Top Billing Organizations
| Billing Org NPI | Org Name | Physicians | % |
|---|---|---|---|
| 1235107566 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | 1,246 | 3.4% |
| 1902846306 | USC CARE MEDICAL GROUP, INC | 1,199 | 3.3% |
| 1316984388 | CEDARS-SINAI MEDICAL CARE FOUNDATION | 1,094 | 3% |
| 1134151657 | SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP | 930 | 2.6% |
| 1043242555 | SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP | 898 | 2.5% |
| 1770515280 | SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP | 703 | 1.9% |
| 1598797011 | SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP | 703 | 1.9% |
| 1639172372 | CEDARS-SINAI MEDICAL CENTER | 689 | 1.9% |
| 1407888928 | SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP | 667 | 1.8% |
| 1871886366 | CITY OF HOPE MEDICAL FOUNDATION | 628 | 1.7% |
Top ACOs
| ACO ID | ACO Name | Physicians | % |
|---|---|---|---|
| A5192 | Lore Health ACO | 1,464 | 4% |
| A5045 | Optum California ACO | 965 | 2.7% |
| A2342 | Health Connect Partners, LLC | 901 | 2.5% |
| A4964 | Torrance Memorial Integrated Physicians, LLC | 632 | 1.7% |
| A5483 | Collaborative ACO 30, LLC | 434 | 1.2% |
| A4974 | Caravan Health ACO 43 LLC | 314 | 0.9% |
| D0215 | APA ACO Inc. | 261 | 0.7% |
| A3799 | UC Irvine Health Accountable Care Organization | 184 | 0.5% |
| D0178 | Alignment Health ACO, LLC | 163 | 0.4% |
| A5220 | Sound Physicians Long Term Care Management, LLC | 161 | 0.4% |
Top Physicians by Billing Paid Amount
| Physician | NPI | Specialty | Billing Paid Amount |
|---|---|---|---|
| Robert Azizi, MD | 1316101298 | Diagnostic Radiology | $97,780,940.74 |
| Aaron I-Lun Jeng, MD, MPH | 1003053851 | Internal medicine | $63,453,527.27 |
| Robert Goldberg | 1275995649 | Family practice | $55,339,595.25 |
| L. Lee Nelson, MD | 1407972656 | General practice | $42,638,479.12 |
| Ali Golshan, M.D. | 1114183993 | Interventional radiology | $39,411,317.21 |
| Babak Hajhosseini, M.D. | 1558621003 | General surgery | $33,540,931.66 |
| Som Kohanzadeh, MD | 1952575342 | Plastic and reconstructive surgery | $32,811,038.06 |
| David M Chess, M.D. | 1376521773 | Internal medicine | $29,072,789.11 |
| Anika Muthiah, M.D. | 1225566656 | Family practice | $25,342,256.73 |
| Michael Fayez Sedrak, MD | 1750464111 | General surgery | $23,765,385.34 |
| Sieghart H Ponhold, M.D | 1891883955 | Family practice | $23,476,748.61 |
| Brownell Hilliard Payne, MD | 1720156490 | Anesthesiology | $23,068,431.73 |
| Shuang Bai, M.D. | 1154346799 | Internal medicine | $22,415,388.74 |
| Carlos M Dayrit, MD | 1346420122 | General practice | $19,347,586.65 |
| Armen Hovhannisyan, MD | 1740488998 | Internal medicine | $17,534,708.86 |
| Jack Azad, M.D. | 1841489440 | General practice | $17,480,131.57 |
| Alvin Sol May, M.D. | 1184884876 | General surgery | $16,356,505.30 |
| Sharon Jamie, MD | 1427216712 | Family practice | $15,523,009.94 |
| Yousef W Ireifej, M.D. | 1962693598 | Family practice | $14,565,392.92 |
| Natan Ryan Shaoulian, M.D. | 1114926433 | Neurology | $12,249,209.41 |
| Arash Lalezary, M.D | 1679513238 | Family practice | $11,910,047.79 |
| Mosen Michael Defrawy, MD | 1457409401 | Internal medicine | $11,870,529.05 |
| David Moaddel, M.D. | 1376808626 | Family practice | $10,917,341.34 |
| Krikor B Tatoyan, M.D. | 1598936726 | Internal medicine | $10,051,685.63 |
| Christopher Sung-Bo Kim, M.D. | 1588155477 | General surgery | $9,762,597.94 |
| Jason R Sinner, M.D. | 1134148703 | Diagnostic Radiology | $9,333,049.37 |
| Boris Bagdasarian, D.O. | 1598758062 | Hematology/oncology | $8,508,075.81 |
| Arash A. Horizon, M.D. | 1881694131 | Rheumatology | $8,136,604.89 |
| Shahin Pourrabbani, M.D. | 1013226877 | Vascular surgery | $7,788,812.12 |
| Malvin Yan, D.O. | 1033153101 | Nephrology | $7,615,296.51 |
| Afshine A Emrani, MD | 1356360887 | Cardiology | $7,467,611.00 |
| Kalust Ucar, M.D. | 1710912175 | Hematology/oncology | $7,242,955.20 |
| Ming-Wei Daniel Wu, D.O. | 1578500336 | General surgery | $7,170,988.65 |
| Mark Jeffrey Slepin, M.D. | 1417063439 | Emergency medicine | $7,123,938.79 |
| Vicrumdeep Tung, M.D. | 1891163499 | Internal medicine | $7,089,590.66 |
| Fernando Antelo, M.D. | 1295927887 | Pathology | $7,079,576.44 |
| Leo Polosajian, M.D. | 1174664783 | Cardiology | $6,999,515.62 |
| Barbara Jean Ryan, M.D. | 1235108226 | Plastic and reconstructive surgery | $6,912,021.89 |
| David S Boyer, MD | 1295736916 | Ophthalmology | $6,854,884.30 |
| Homayoun Tabandeh, M.D. | 1003861576 | Ophthalmology | $6,659,209.20 |
| Sean Adam Fischer, M.D. | 1801842943 | Hematology/oncology | $6,586,424.13 |
| Daniel Jae Kim, M.D. | 1033291562 | Hematology/oncology | $6,397,624.69 |
| Alex Fridman, M.D. | 1902018385 | Internal medicine | $6,365,669.78 |
| Lihong Wu, M.D. | 1932128410 | Hematology/oncology | $6,230,565.70 |
| Maximo Christian Diamond, M.D. | 1063519932 | Internal medicine | $6,071,687.90 |
| Johnson Chen-Shing Lee, M.D. | 1982847851 | Plastic and reconstructive surgery | $6,028,217.71 |
| Ryan Abdul-Haqq | 1386087864 | Vascular surgery | $5,979,006.07 |
| Carlo Medina, M.D. | 1093786444 | Hospitalist | $5,953,997.91 |
| Jason Aguirre, M.D. | 1003200957 | General surgery | $5,816,689.92 |
| Mehran J Khorsandi, M.D., | 1558340034 | Cardiology | $5,775,648.05 |
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 % |
|---|---|---|---|---|---|---|
| Los Angeles-Long Beach-Glendale, CA | CA | Current | 36,237 | 1,487,700 | +7.9% | +2.7% |
| Anaheim-Santa Ana-Irvine, CA | CA | 45 mi | 12,390 | 514,824 | +7.9% | +3.2% |
| Oxnard-Thousand Oaks-Ventura, CA | CA | 51 mi | 3,426 | 145,793 | +8.6% | +3.2% |
| Bakersfield-Delano, CA | CA | 84 mi | 2,303 | 108,560 | +9.2% | +2.8% |
| Santa Maria-Santa Barbara, CA | CA | 104 mi | 1,751 | 73,710 | +9.3% | +2.4% |
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 % |
|---|---|---|---|---|---|---|
| Los Angeles-Long Beach-Glendale, CA | CA | Current | 36,237 | 1,487,700 | +7.9% | +2.7% |
| Anaheim-Santa Ana-Irvine, CA | CA | 45 mi | 12,390 | 514,824 | +7.9% | +3.2% |
| Oxnard-Thousand Oaks-Ventura, CA | CA | 51 mi | 3,426 | 145,793 | +8.6% | +3.2% |
| Bakersfield-Delano, CA | CA | 84 mi | 2,303 | 108,560 | +9.2% | +2.8% |
| Santa Maria-Santa Barbara, CA | CA | 104 mi | 1,751 | 73,710 | +9.3% | +2.4% |
California Healthcare Context
Total Physicians in California144,761
Share of California Physicians25%
Total Markets in California28
Rank in California by Physicians#1 of 28
Los Angeles-Long Beach-Glendale, CA accounts for 25% of physicians represented in California's market directory.
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