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

Dr. Jonathon Mark Weisz, MD

Individual provider Pediatrics Physician · NPI 1841259298

Dr. Jonathon Mark Weisz, MD is a Pediatrics Physician in Covina, California. Licensed in California. Registered with an NPI since 2006.

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

420 W Rowland St
Covina, CA 91723-2943
Phone: (626) 331-6411
Fax: (626) 251-1560
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence G74937 (CA)

Record details

NPI number1841259298
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2006
Last updated in NPPESApril 13, 2026
Certification dateApril 13, 2026
Mailing addressPo Box 35380, Las Vegas, NV 89133-5380

Other providers in Covina