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

Vincent Lloyd Antosz, MD

Individual provider Internal Medicine Physician · NPI 1831150135

Vincent Lloyd Antosz, MD is an Internal Medicine in Arcadia, California. Graduated from Northwestern University Feinberg Medical School in 1993, 33 years ago. Practices with Healthcare Partners Affiliates Medical Group, a 790-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
33
Trained at
Northwestern University Feinberg Medical School
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

300 W Huntington Dr
Arcadia, CA 91007-3402
Phone: (626) 795-2244
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 450 E Huntington Dr, Arcadia, CA 91006-3748 — (626) 795-2244

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A64793 (CA)

Record details

NPI number1831150135
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2006
Last updated in NPPESDecember 3, 2025
Certification dateDecember 3, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1993 (33 years in practice)
Group practice Healthcare Partners Affiliates Medical Group — 790 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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