Karisa Ann Jahn, D.O.
Geriatric Medicine Family Medicine
Karisa Ann Jahn, D.O. practices as part of a group geriatric medicine family medicine specialist practice in Fontana, CA. With 18+ years of experience, she has been practicing in the Fontana area. A family medicine physician with special knowledge of the aging process and special skills in the diagnostic.
Older · 1615dNPPES updated 2021-12-03 · verify on CMS
How Does This Doctor Compare?
Opioid Rx
↓ Lower = better65.14%
California avg: 5.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+60 pts)
65.14% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Prescription Recipients
133
Patients prescribed
Prescriptions Written
502
Total claims
Total Medicare drug cost: $18k
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
18 years in practice
Experienced
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.
Taxonomy: 207QG0300X
Virtual Geriatric Medicine Care With Karisa Ann Jahn
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Karisa Ann Jahn for follow-ups, medication reviews, and ongoing care — no travel to Fontana required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Karisa Ann Jahn
Dr. Jahn is listed as active in the NPI registry with telehealth listed in Fontana, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (909) 609-3500.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D. See Data Methodology.
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Contact Karisa Ann Jahn
Practice Location
9961 Sierra Ave, Fontana, CA 92335-6720
Mailing Address
9961 Sierra Ave, Fontana, CA 92335-6720
This is a provider directory. Contact the office directly to schedule appointments.
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