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

Mr. Yonathan Ararso, MD, MS

Individual provider Emergency Medicine Physician · NPI 1558941427

Mr. Yonathan Ararso, MD, MS is an Emergency Medicine in San Francisco, California. Qualified in 2021, 5 years ago. Practices with Cep America - California, a 1,267-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Licensed in
CA
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

505 Parnassus Ave Rm M24
San Francisco, CA 94143-2204
Phone: (415) 353-1529
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A194602 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1558941427
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MS
Sole proprietorNo
NPI enumeratedApril 13, 2021
Last updated in NPPESMarch 4, 2025
Certification dateFebruary 22, 2025
Mailing address505 Parnassus Ave Rm M24, San Francisco, CA 94143-2204

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Cep America - California — 1267 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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