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

Alexei Adan

Individual provider Emergency Medicine Physician · NPI 1679968978

Alexei Adan is an Emergency Medicine in Castro Valley, California. Graduated from Perelman School of Med at the University of Pennsylvania in 2015, 11 years ago. Practices with Eden Emergency Medical Group Inc, a 27-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
11
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
CA
In the registry since
2015

Practice location Address checks out

20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone: (510) 727-3015
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 A161408 (CA)

Record details

NPI number1679968978
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 2, 2015
Last updated in NPPESFebruary 26, 2021
Certification dateFebruary 26, 2021
Mailing address20103 Lake Chabot Rd, Castro Valley, CA 94546-5305

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 2015 (11 years in practice)
Group practice Eden Emergency Medical Group Inc — 27 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Castro Valley