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

John E Massey, MD

Individual provider Anesthesiology Physician · NPI 1619003415

John E Massey, MD is an Anesthesiology Physician in Los Gatos, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
Specialties on file
2
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

15047 Los Gatos Blvd Ste 200
Los Gatos, CA 95032-2054
Phone: (408) 364-6799
Fax: (408) 378-4510
Show map & directions

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

Specialties & licences

Pain Medicine (Anesthesiology) Physician (primary) Taxonomy 207LP2900X · Licence G76734 (CA)
Anesthesiology Physician Taxonomy 207L00000X · Licence G76734 (CA)

Record details

NPI number1619003415
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 26, 2007
Last updated in NPPESMarch 19, 2009
Mailing address15047 Los Gatos Blvd, Ste 200, Los Gatos, CA 95032-2054

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