With Trio, you have access to a specially selected network of doctors, hospitals, and specialists who are committed to working together to deliver a better healthcare experience.
You and your dependents must live or work in the Trio HMO plan service area to be eligible for coverage. See the Evidence of Coverage for a complete description of benefits, exclusions, limitations, and conditions of coverage of the plans.
How to search the Trio network
Visit blueshieldca.com/networktriohmo to search for doctors, hospitals, specialists, and more within the Trio network.
Not sure if Trio plans are available in your area? Use our Trio ZIP code tool.
Trio availability by county
The Trio network extends throughout select California counties.
| Alameda (F) | Marin (P) | San Bernardino (P) | Santa Clara (F) |
| Contra Costa (F) | Monterey (F) | San Diego (P) | Santa Cruz (F) available to Small Group and IFP businesses only |
| El Dorado (P) | Nevada (P) | San Francisco (F) | Solano (P) |
| Fresno (P) | Orange (F) | San Joaquin (F) | Stanislaus (P) |
| Kern (P) | Placer (P) | San Luis Obispo (P) | Tulare (P) |
| Kings (P) | Riverside (P) | San Mateo (F) | Ventura (P) |
| Los Angeles (P) | Sacramento (P) | Santa Barbara (P) | Yolo (P) |
Partial (P) = The Trio network is available only in parts of this county.
Full (F) = The Trio network is available throughout the full county.
Medical groups in the Trio network
The Trio network includes a subset of physicians, Independent Practice Associations (IPAs), medical groups, and affiliated physicians from our full HMO network.
| COUNTY | |
|---|---|
| Alameda | Brown & Toland Physicians East Bay |
| Alameda | Hill Physicians Medical Group, Inc. |
| Alameda | John Muir Medical Group serves select cities including Dublin, Livermore, and Pleasanton |
| Contra Costa | Hill Physician Medical Group, Inc. |
| Contra Costa | John Muir Physician Network |
| El Dorado | Sacramento County providers Hill Physicians Sacramento Primed Inc. and Mercy Medical Group serve some parts of this county |
| Fresno | Key Medical Group, Inc. |
| Kern | GEMCare Medical Group Inc. Bakersfield Region, part of Dignity Health Medical Network |
| Kern | GEMCare Medical Group Inc. Delano Region, part of Dignity Health Medical Network |
| Kings | Key Medical Group, Inc. |
| Los Angeles | Access Medical Group, Inc. |
| Los Angeles | Access Medical Group, Inc.-Santa Monica |
| Los Angeles | Allied Pacific IPA |
| Los Angeles | Facey Medical Foundation Burbank |
| Los Angeles | Facey Medical Foundation San Fernando Valley |
| Los Angeles | Facey Medical Foundation Santa Clarita |
| Los Angeles | Facey Medical Foundation Simi Valley |
| Los Angeles | Good Samaritan Medical Practice Associates |
| Los Angeles | Greater Newport Physicians (GNP) - Long Beach |
| Los Angeles | Korean American Medical Group (KANG) |
| Los Angeles | MemorialCare Long Beach Medical Center |
| Los Angeles | Optum Care Network - AppleCare Medical Group Select |
| Los Angeles | PIH Health Physicians |
| Los Angeles | PIH Health Physicians Downey |
| Los Angeles | PIH Health Physicians IPA |
| Los Angeles | Pomona Valley Medical Group |
| Los Angeles | Providence Medical Associates |
| Los Angeles | Providence Medical Associates - Little Company of Mary IPA Torrance |
| Los Angeles | Providence Medical Associates - Little Company of Mary - San Pedro |
| Los Angeles | Providence Medical Associates - Providence Care Network - Tarzana |
| Los Angeles | St. John's Physician Partners Torrance Memorial IPA/Torrance Memorial Integrated Physicians (TMIP) |
| Marin | Meritage Medical Network |
| Monterey | Montage Health and Salinas Valley Memorial Healthcare System |
| Nevada | Hill Physicians Medical Group Sacramento |
| Nevada | Sierra-Sacramento Blue Shield of California Administered |
| Orange | Edinger Medical Group |
| Orange | Hoag Medical Group/Hoag Physician Partners |
| Orange | MemorialCare Medical Group |
| Orange | MemorialCare Medical Group Saddleback |
| Orange | Mission Hospital Affiliated Physicians |
| Orange | Mission Internal Medical Group |
| Orange | Saint Joseph Hospital Affiliated Physicians |
| Orange | St. Joseph Heritage Medical Group |
| Orange | St. Jude Affiliated Physicians |
| Orange | St. Jude Heritage Medical Group |
| Placer | Sacramento County providers Hill Physicians Sacramento Primed Inc. and Mercy Medical Group serve some parts of the county |
| Riverside | Empire Physicians Medical Group (EPMG) |
| Riverside | PrimeCare of Citrus Valley |
| Riverside | PrimeCare of Corona |
| Riverside | PrimeCare of Moreno Valley Inc. |
| Riverside | PrimeCare of Riverside |
| Riverside | PrimeCare of Sun City |
| Riverside | PrimeCare of Temecula |
| Riverside | Valley Physicians Network (VPN) |
| Sacramento | Hill Physicians Sacramento Primed Inc. |
| Sacramento | Mercy Medical Group |
| San Bernardino | AlphaCare Medical Group |
| San Bernardino | Alliance Desert Physicians |
| San Bernardino | Beaver Medical Group |
| San Bernardino | Chaffey Medical Group |
| San Bernardino | Fenix Health Medical Group EHP |
| San Bernardino | Pinnacle Medical Group |
| San Bernardino | Pomona Valley Medical Group, Inc. |
| San Bernardino | PrimeCare of Redlands |
| San Bernardino | PrimeCare of San Bernardino |
| San Bernardino | Prospect Inland Empire |
| San Bernardino | Redlands Yucaipa Medical Group |
| San Bernardino | Premier Healthcare IPA |
| San Bernardino | Empire Physicians Medical Group (EPMG) |
| San Bernardino | PrimeCare of Chino Valley |
| San Bernardino | PrimeCare of Inland Valley |
| San Bernardino | St. Mary High Desert Medical Group |
| San Diego | Mercy Physicians Medical Group, Inc. (MPMG) |
| San Diego | Scripps Clinic Medical Group |
| San Diego | Scripps Physicians Med Group |
| San Diego | SHPS - Scripps Coastal Medical Center |
| San Francisco | Hill Physicians San Francisco Inc. |
| San Joaquin | Hill Physicians San Joaquin |
| San Luis Obispo | Physician Choice Medical Group of San Luis Obispo |
| San Mateo | Hill Physicians San Francisco Inc. |
| Santa Barbara | Sansum Clinic |
| Santa Clara | Santa Clara County IPA |
| Santa Cruz | Dignity Health Medical Network Santa Cruz |
| Solano | John Muir Medical Group and Woodland Clinic serves Benicia, Dixon, and Vallejo |
| Stanislaus | AllCare IPA - Stanislaus |
| Tulare | GEMCare Medical Group in Kern County serves Earlimart, Pixley, Posey, and Tipton |
| Tulare | Key Medical Group |
| Ventura | SeaView IPA |
| Ventura | ValleyCare Physicians Associates |
| Yolo | Dignity Health Medical Foundation - Woodland Clinic |
Hospitals in the Trio network
The chart below shows a list of the hospitals that physicians from the Trio IPAs and medical groups listed above typically refer to. For a complete list of hospitals available in the Trio network, please use Blue Shield’s Find a Doctor tool at blueshieldca.com/NetworkTrioHMO.
| COUNTY | HOSPITAL |
|---|---|
| Alameda | Alta Bates Summit Medical Center |
| Alameda | Eden Medical Center |
| Alameda | John Muir Medical Center Concord Campus |
| Alameda | John Muir Medical Center Walnut Creek Campus |
| Contra Costa | John Muir Medical Center Concord Campus |
| Contra Costa | John Muir Medical Center Walnut Creek Campus |
| El Dorado | Dignity Health Mercy Hospital of Folsom |
| El Dorado | Dignity Health Methodist Hospital of Sacramento |
| El Dorado | Mercy General Hospital |
| El Dorado | Mercy San Juan Medical Center |
| Fresno | Kaweah Delta Medical Center |
| Kern | Delano Regional Medical Center |
| Kern | Dignity Health Bakersfield Memorial Hospital |
| Kern | Mercy Hospital Bakersfield |
| Kings | Kaweah Delta Medical Center |
| Los Angeles | Alhambra Hospital Medical Center |
| Los Angeles | Dignity Health Northridge Hospital Medical Center (Roscoe Campus) |
| Los Angeles | Garfield Medical Center |
| Los Angeles | Good Samaritan Hospital Los Angeles |
| Los Angeles | Greater El Monte Community Hospital |
| Los Angeles | Henry Mayo Newhall Hospital |
| Los Angeles | Long Beach Memorial Medical Center |
| Los Angeles | Marina Del Rey Hospital |
| Los Angeles | Miller's Children's & Women's Hospital Long Beach |
| Los Angeles | Monterey Park Hospital |
| Los Angeles | PIH Health Downey Hospital |
| Los Angeles | PIH Health Whittier Hospital |
| Los Angeles | Providence Cedars-Sinai Tarzana Medical Center |
| Los Angeles | Providence Holy Cross Medical Center |
| Los Angeles | Providence Little Company of Mary Medical Center- San Pedro |
| Los Angeles | Providence Little Company of Mary Medical Center - Torrance |
| Los Angeles | Providence Saint Johns Health Center |
| Los Angeles | Providence Saint Joseph Medical Center |
| Los Angeles | San Gabriel Valley Medical Center |
| Los Angeles | Simi Valley Hospital and Health Care Services |
| Los Angeles | Torrance Memorial Medical Center |
| Marin | Marin General Hospital |
| Monterey | Community Hospital of the Monterey Peninsula |
| Monterey | Salinas Valley Memorial Healthcare System |
| Nevada | Mercy General Hospital |
| Nevada | Mercy General Hospital Folsom |
| Nevada | Mercy San Juan Hospital |
| Nevada | Methodist Hospital of Sacramento |
| Nevada | Sierra Nevada Memorial Hospital |
| Orange | Hoag Hospital Irvine |
| Orange | Hoag Memorial Hospital |
| Orange | Hoag Orthopedic Institute |
| Orange | Mission Hospital Laguna Beach |
| Orange | Mission Hospital Regional Medical Center |
| Orange | Providence St. Joseph Hospital Orange |
| Orange | St. Jude Medical Center |
| Placer | Dignity Health Mercy General Hospital |
| Placer | Dignity Health Mercy Hospital of Folsom |
| Placer | Dignity Health Methodist Hospital of Sacramento |
| Placer | Mercy San Juan Hospital |
| Riverside | Community Hospital of San Bernardino |
| Riverside | Corona Regional Medical Center |
| Riverside | Desert Regional Medical Center |
| Riverside | Doctors Hospital of Riverside LLC |
| Riverside | Eisenhower Medical Center |
| Riverside | Hemet Global Medical Center |
| Riverside | John F Kennedy Memorial Hospital |
| Riverside | Loma Linda University Medical Center (Murrieta) |
| Riverside | Menifee Valley Medical Center |
| Riverside | Parkview Community Hospital Medical Center |
| Riverside | Riverside Community Hospital |
| Riverside | San Antonio Regional Hospital |
| Riverside | San Gorgonio Memorial Hospital |
| Riverside | Southwest Healthcare System (Murrieta) |
| Riverside | Southwest Healthcare System (Wildomar) |
| Riverside | St. Bernardine Medical Center |
| Riverside | Temecula Valley Hospital, Inc. |
| Sacramento | Dignity Health Mercy General Hospital |
| Sacramento | Dignity Health Mercy Hospital of Folsom |
| Sacramento | Dignity Health Methodist Hospital of Sacramento |
| Sacramento | Mercy San Juan Hospital |
| San Bernadino | Community Hospital of San Bernardino |
| San Bernadino | Eisenhower Medical Center (EMC) |
| San Bernadino | Loma Linda University Medical Center |
| San Bernadino | Pomona Valley Hospital Medical Center |
| San Bernadino | Redlands Community Hospital |
| San Bernadino | San Antonio Regional Hospital |
| San Bernadino | San Gorgonio Memorial Hospital |
| San Bernadino | St. Bernardine Medical Center |
| San Bernadino | St. Mary Regional Medical Center |
| San Diego | Scripps Green Hospital |
| San Diego | Scripps Memorial Hospital Encinitas |
| San Diego | Scripps Memorial Hospital La Jolla |
| San Diego | Scripps Mercy Hospital Chula Vista |
| San Diego | Scripps Mercy Hospital San Diego |
| San Francisco | Dignity Health Saint Francis Memorial Hospital |
| San Francisco | St. Mary's Medical Center (San Francisco) |
| San Francisco | UCSF Medical Center |
| San Francisco | UCSF Medical Center at Mission Bay |
| San Francisco | UCSF Medical Center at Mount Zion |
| San Joaquin | St. Joseph's Medical Center (Stockton) |
| San Luis Obispo | Dignity Health French Hospital Medical Center |
| San Luis Obispo | Marian Regional Medical Center (Arroyo Grande) |
| San Mateo | Sequoia Hospital |
| Santa Barbara | Santa Barbara Cottage Hospital |
| Santa Barbara | Santa Ynez Valley Cottage Hospital |
| Santa Barbara | Goleta Valley Cottage Hospital |
| Santa Clara | El Camino Hospital (Los Gatos) |
| Santa Clara | El Camino Hospital (Mountain View) |
| Santa Clara | Good Samaritan Hospital |
| Santa Clara | O'Connor Hospital |
| Santa Clara | Regional Medical Center (San Jose) |
| Santa Clara | Saint Louise Regional Hospital |
| Santa Cruz | Watsonville Community Hospital |
| Solano | Dignity Health Woodland Memorial Hospital |
| Stanislaus | Doctors Hospital of Manteca |
| Stanislaus | Doctors Medical Center Modesto |
| Stanislaus | Emanuel Medical Center |
| Tulare | Dignity Health Bakersfield Memorial Hospital |
| Tulare | Kaweah Delta Medical Center |
| Tulare | Mercy Hospital Bakersfield |
| Ventura | Community Memorial Hospital of San Buenaventura |
| Ventura | Ojai Valley Community Hospital (OVCH) |
| Ventura | Santa Paula Hospital |
| Yolo | Woodland Memorial Hospital |