Gemma Jean Jamena, MD

Family Medicine

GenderFemaleNPI1962761924Affiliated sites3

Affiliated Health Centers

Gemma Jean Jamena is affiliated with 3 federally qualified health center locations.

ACHCH Tiburcio Vasquez Health Center Zone 4 Mid County Street Health Mobile Unit

16110 E 14th St, San Leandro, CA 94578-3002

Medicare

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AHS Bridge Clinic

1411 East 31st St. OA Wing, 1st Floor Rooms 12, 13, 19, 21A, 21C, 22-24, 26-28, 30-32, Oakland, CA 94602

Medicare

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Mowry I Health Clinic

2299 Mowry Ave, Ste 3B, Fremont, CA 94538-1621

Medicare★ 2.8 Google (64)

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Primary Care Services

Preventive care, chronic disease management, and routine health services for all ages.

Annual physicals

Chronic disease management

Immunizations

Preventive screenings

Acute illness care

Hypertension & diabetes management

Referral coordination

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Clinician information is sourced from the NPPES National Provider Registry (February 2026) and reflects self-reported practice locations. Individual providers may have joined or left since the last registry update.

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Confirm current license and practice information on the official CMS NPI registry.

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Family Medicine

Providing family medicine services at federally qualified health centers with sliding fee scale options.

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Affiliated Health Center

ACHCH Tiburcio Vasquez Health Center Zone 4 Mid County Street Health Mobile Unit

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Gemma Jean Jamena, MD

Affiliated Health Centers

Primary Care Services

Related Clinicians

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Family Medicine

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