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

Dr. Jonathan Semaan, DO

Individual provider Internal Medicine Physician · NPI 1225722598

Dr. Jonathan Semaan, DO is an Internal Medicine in San Ysidro, California. Qualified in 2023, 3 years ago. Licensed in California.

Years since qualifying
3
Licensed in
CA
In the registry since
2023
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 →

Practice location Address checks out

4004 Beyer Blvd
San Ysidro, CA 92173-2099
Phone: (619) 662-4100
Fax: (619) 662-4100
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2955 (CA)

Record details

NPI number1225722598
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 7, 2023
Last updated in NPPESMarch 14, 2026
Certification dateMarch 14, 2026
Mailing address4004 Beyer Blvd, San Ysidro, CA 92173-2099

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Not indicated

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