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

Dr. Matthew J Horn, MD

Individual provider Internal Medicine Physician · NPI 1912015637

Dr. Matthew J Horn, MD is a Pulmonary Disease in San Diego, California. Graduated from New York University School of Medicine in 1977, 49 years ago. Practices with Arch Health Partners Inc, a 141-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
49
Trained at
New York University School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1072 Johnson Ave
San Diego, CA 92103-2316
Phone: (619) 253-5622
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence G42320 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G42320 (CA)

Record details

NPI number1912015637
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESSeptember 24, 2012

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice Arch Health Partners Inc — 141 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in San Diego