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

Michael John Phelan, MD

Individual provider Pediatrics Physician · NPI 1376621136

Michael John Phelan, MD is a Pediatrics Physician in Hayward, 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.

See every abbreviation used in this directory →

Practice location Address checks out

27303 Sleepy Hollow Ave
Hayward, CA 94545-4203
Phone: (510) 454-1000
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence G73755 (CA)

Record details

NPI number1376621136
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESMay 22, 2015
Mailing address27303 Sleepy Hollow Avenue, Hayward, CA 94545-4203

Other providers in Hayward