Ann Barnes, M.D.

Internal Medicine

GenderFemaleNPI1235292756Affiliated sites1

Affiliated Health Centers

Ann Barnes is affiliated with 1 federally qualified health center location.

Legacy Montrose Clinic

1415 California St, Houston, TX 77006-2602

Medicare★ 4.3 Google (1687)

View clinic →

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

Browse all Primary Care clinics →

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.

Verify on NPI Registry

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

View NPI Record

Internal Medicine

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

View services →

Affiliated Health Center

Legacy Montrose Clinic

View quality scores & reviews →

Browse

All clinicians →Internal Medicine clinicians →Browse health centers →

Going to a Community Health Center?

These clinics charge based on what you earn, and are funded to serve people who cannot pay much.

Who can be seen here →What a visit costs →What to bring to your first visit →What is an FQHC? →

Ann Barnes, M.D.

Affiliated Health Centers

Primary Care Services

Related Clinicians

Other Clinicians at These Health Centers

Other Internal Medicine Clinicians

Verify on NPI Registry

Internal Medicine

Affiliated Health Center

Browse

Going to a Community Health Center?