Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. James Horodyski, MD

Individual provider Internal Medicine Physician · NPI 1184710063

Dr. James Horodyski, MD is an Internal Medicine in Fairfield, California. Qualified in 1996, 30 years ago. Practices with Quantum Healthcare Medical Associates Inc, a 109-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
30
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1200 B Gale Wilson Blvd
Fairfield, CA 94533-3552
Phone: (707) 429-3600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A68731 (CA)

Record details

NPI number1184710063
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 5, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Quantum Healthcare Medical Associates Inc — 109 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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