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

John E Nackley, MD

Individual provider Pediatrics Physician · NPI 1528003399

John E Nackley, MD is a Pediatrics Physician in Castro Valley, 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

20126 Stanton Ave Ste 201
Castro Valley, CA 94546-5271
Phone: (510) 581-2559
Fax: (510) 581-5396
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence C33919 (CA)

Record details

NPI number1528003399
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2006
Last updated in NPPESApril 28, 2008
Mailing address27212 Calaroga Ave, Hayward, CA 94545-4339

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