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

Isaac Sergei Horowitz, DO

Individual provider Pediatrics Physician · NPI 1982167375

Isaac Sergei Horowitz, DO is a Pediatrics Physician in Madera, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2019
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

344 E 6th St
Madera, CA 93638-3631
Phone: (559) 871-5844
Fax: (559) 479-4812
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

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 20A20038 (CA)

Record details

NPI number1982167375
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 11, 2019
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025
Mailing address344 E 6th St, Madera, CA 93638-3631

Other providers in Madera