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MD
Family Medicine
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Dr. Grumbach graduated from the University of California, San Francisco School of Medicine in 1985. He works in San Francisco, CA and 1 other location and specializes in Family Medicine. Dr. Grumbach is affiliated with John Muir Medical Center Concord, UCSF Medical Center Mount Zion and Zuckerberg San Francisco General Hospital.
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Office Hours
| Day | Open/Closed | From | To |
|---|---|---|---|
| Monday | Closed | - | - |
| Tuesday | Closed | - | - |
| Wednesday | Closed | - | - |
| Thursday | Closed | - | - |
| Friday | Closed | - | - |
| Saturday | Closed | - | - |
| Sunday | Closed | - | - |
Insurances
- BCBS Blue Card PPO
- CIGNA HMO
- CIGNA Open Access Plus
- CIGNA PPO
- Humana Choice POS
- UHC Choice Plus POS
- UHC Options PPO
- Aetna Choice POS II
- Aetna Managed Choice POS Open Access
- Aetna Signature Administrators PPO
- Multiplan PPO
- PHCS PPO
- First Health PPO
- CIGNA LocalPlus
- Health Net CA Individu
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