One Medical Group Inc

Group Practice·355 providers

2337 OAK GROVE RD, Walnut Creek, CA 945983506

29 Locations

11 Specialties

47 Insurance Plans

Contact One Medical Group Inc

(925) 322-1840 Get Directions

2337 OAK GROVE RD, Walnut Creek, CA 945983506

Providers

355

Locations

Specialties

Insurance Plans

About One Medical Group Inc

Background and practice information

One Medical Group INC is a large multi-specialty medical practice based in San Francisco, CA, with 355 affiliated healthcare providers practicing across 29 locations in 4 states.

The practice brings together providers across multiple specialties, including family practice, nurse practitioner, physician assistant, and internal medicine. Its providers are in-network with 47 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.

Affiliations

Hospitals where providers at One Medical Group Inc hold admitting privileges

Marinhealth Medical Center · Greenbrae, CA30 providers California Pacific Medical Center- Van Ness Campus · San Francisco, CA28 providers Stanford Health Care · Stanford, CA18 providers Peninsula Medical Center · Burlingame, CA15 providers Ucsf Medical Center · San Francisco, CA13 providers Novato Community Hospital · Novato, CA13 providers Alta Bates Summit Medical Center · Oakland, CA12 providers John Muir Medical Center - Walnut Creek Campus · Walnut Creek, CA11 providers

Insurance Networks

Accepted insurance plans and networks

One Medical Group Inc accepts 247 plans from 18 insurers, including HCSC: BCBS Illinois, Cigna, Aetna.

HCSC: BCBS Illinois

In-NetworkView all HCSC: BCBS Illinois doctors in Walnut Creek, CA →

0E7959 35 BLUECP G532BCE_XOF

0ED104 28 BLUECP G531BCE_XOF

0M0059 18 PPO+ MIBPP2050_XOFPPO

0M4045 26 PPO+ MPP8343C_XOFPPO

0M4843 16 PPO+ G533PPO_XOFPPO

0M5222 6 BLUECS BLUECHOICE SELECT_FCU

0MD029 12 BLUEOP MIBCO2040_XOX

0MD606 6 BLUECS BLUECHOICE SELECT_XOF

0MD989 30 BLUEOP MIBCO2080_XOX

0ME200 32 BLUEOP MIBCO2030_XOX

0ME342 12 BLUECS BLUE CHOICE SELECT_WTH

0MF213 21 PPO+ HSA_XOFPPO

0MF273 14 BLUECS BCS_HTE

7MDS01 1 PPO+ PPO_XOFPPO

Blue Advantage HMO 2000 - Rx CopaysHMO

Blue Advantage HMO 2015 - Rx CopaysHMO

Blue Advantage HMO 2025 - Rx CopaysHMO

Blue Advantage HMO Value Choice 2115 - Rx CopaysHMO

Blue Advantage HMO Value Choice 2125 - Rx CopaysHMO

Blue Advantage HMO Value Choice 2135 - Rx CopaysHMO

Blue Advantage HMO Value Choice 2145 - Rx CopaysHMO

Blue Advantage HMO Value Choice 2152 - Rx CopaysHMO

Blue Advantage HMO Value Choice 4015 - Rx CopaysHMO

BlueCare Direct Bronze Standard - Select Rx Copays with Advocate

BlueCare Direct Gold Standard - Rx Copays with Advocate

BlueCare Direct Silver Standard - Select Rx Copays with Advocate

Blue Choice Options 1205 - Rx Copays_XOX

Blue Choice Options 2005 - Rx Copays_XOX

Blue Choice Options 2015 - Rx Copays_XOX

Blue Choice Options 2035 - Rx Copays_XOX

Blue Choice Options 2045 - Rx Copays_XOX

Blue Choice Options 2055 - Rx Copays_XOX

Blue Choice Options 2085 - Rx Copays_XOX

Blue Choice Options 3013_XOX

Blue Choice Options 3023_XOX

Blue Choice Options 3053_XOX

Blue Choice Options 3073_XOX

Blue Choice Options 4065_XOX

Blue Choice Options 4075 - Rx Copays_XOF

Blue Choice Options 4075 - Rx Copays_XOX

Blue Choice Options 5005 - Rx Copays_XOX

Blue Choice Options 5015 - Rx Copays_XOX

Blue Choice Preferred Bronze PPO 201PPO

Blue Choice Preferred Bronze PPO 202PPO

Blue Choice Preferred Bronze PPO 701PPO

Blue Choice Preferred Bronze PPO Standard - Select Rx CopaysPPO

Blue Choice Preferred Gold PPO 204PPO

Blue Choice Preferred Gold PPO 901PPO

Blue Choice Preferred Gold PPO Standard - Rx CopaysPPO

Blue Choice Preferred Security PPO 200PPO

Blue Choice Preferred Silver PPO 203PPO

Blue Choice Preferred Silver PPO 303PPO

Blue Choice Preferred Silver PPO 801PPO

Blue Choice Preferred Silver PPO Standard - Select Rx CopaysPPO

Blue Choice Select PPO 2145 - Rx Copays_XOXPPO

Blue Choice Slct

Blue Choice Value

BlueEdge Select HSA 2122_XOFHSA

BlueEdge Select HSA 2122_XOXHSA

BlueEdge Select HSA 3183_XOFHSA

BlueEdge Select HSA 3183_XOXHSA

BlueEdge Select HSA 4024_XOXHSA

Blue Options Gold PPO 101 - Rx Copays_XOXPPO

Blue Options Gold PPO 102 - Rx Copays_XOXPPO

Blue Options Gold PPO 106 - Rx Copays_XOXPPO

Blue Options Gold PPO 200_XOXPPO

Blue Options Gold PPO 503 - Rx Copays_XOXPPO

Blue Options Platinum PPO 403 - Rx Copays_XOXPPO

Blue Options Silver PPO 104 - Rx Copays_XOXPPO

Blue Options Silver PPO 107_XOXPPO

Blue Options Silver PPO 404_XOXPPO

Blue PPO Bronze 106_XOFPPO

Blue PPO Bronze 132_XOFPPO

Blue PPO Bronze 401_XOFPPO

Blue PPO Gold 101 - Rx Copays_XOFPPO

Blue PPO Gold 102 - Rx Copays_XOFPPO

Blue PPO Gold 107 - Rx Copays_XOFPPO

Blue PPO Gold 113_XOFPPO

Blue PPO Gold 114 - Rx Copays_XOFPPO

Blue PPO Gold 115_XOFPPO

Blue PPO Gold 116 - Rx Copays_XOFPPO

Blue PPO Gold 123_XOFPPO

Blue PPO Gold 502 - Rx Copays_XOFPPO

Blue PPO Platinum 119 - Rx Copays_XOFPPO

Blue PPO Platinum 136 - Rx Copays_XOFPPO

Blue PPO Platinum 501 - Rx Copays_XOFPPO

Blue PPO Silver 104 - Rx Copays_XOFPPO

Blue PPO Silver 105 - Rx Copays_XOFPPO

Blue PPO Silver 120 - Rx Copays_XOFPPO

Blue PPO Silver 133_XOFPPO

Blue Precision Bronze HMO 205HMO

Blue Precision Bronze HMO 701HMO

Blue Precision Bronze HMO Standard - Select Rx CopaysHMO

Blue Precision Gold HMO 101 - Rx CopaysHMO

Blue Precision Gold HMO 201 - Rx CopaysHMO

Blue Precision Gold HMO 207HMO

Blue Precision Gold HMO 402 - Rx CopaysHMO

Blue Precision Gold HMO 703HMO

Blue Precision Gold HMO Standard - Rx CopaysHMO

Blue Precision Platinum HMO 107 - Rx CopaysHMO

Blue Precision Platinum HMO 110 - Rx CopaysHMO

Blue Precision Platinum HMO 200 - Rx CopaysHMO

Blue Precision Silver HMO 102 - Rx CopaysHMO

Blue Precision Silver HMO 106 - Rx CopaysHMO

Blue Precision Silver HMO 206HMO

Blue Precision Silver HMO 306HMO

Blue Precision Silver HMO 704HMO

Blue Precision Silver HMO Standard - Select Rx CopaysHMO

In-Network

MyBlue Plus Bronze 903

MyBlue Plus Bronze 912

MyBlue Plus Bronze Standard - Select Rx Copays

MyBlue Plus Gold 909

MyBlue Plus Gold 910

MyBlue Plus Gold Standard - Rx Copays

MyBlue Plus Silver 905

MyBlue Plus Silver 906

MyBlue Plus Silver 907

MyBlue Plus Silver Standard - Select Rx Copays

Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.

Specialties at One Medical Group Inc

Provider specialties represented at this practice

Family Practice107 providers

Nurse Practitioner88 providers

Physician Assistant70 providers

Internal Medicine36 providers

Clinical Social Worker20 providers

Clinical Psychologist16 providers

Pediatric Medicine9 providers

Marriage And Family Therapist4 providers

Osteopathic Manipulative Medicine3 providers

Sports Medicine1 provider

Mental Health Counselor1 provider

Healthcare Providers in Walnut Creek

13 providers practice here

Apurva Samant Pinnamaneni, MD

Family Practice · Telehealth

Walnut Creek, CA

Catherine Wang, MD

Family Practice · Telehealth

Walnut Creek, CA

Connie Choi, NP

Nurse Practitioner · Telehealth

Walnut Creek, CA

Theron Goudeau, NP

Nurse Practitioner · Telehealth

Walnut Creek, CA

Tiffany Lai, NP

Nurse Practitioner · Telehealth

Walnut Creek, CA

Maria Bhaijee, MD

Pediatric Medicine

Walnut Creek, CA

Carolyn Cardamone, PA