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

Nayyar Mumtaz Masood, MD

Individual provider Internal Medicine Physician · NPI 1639499866

Nayyar Mumtaz Masood, MD is an Internal Medicine Physician in San Jose, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
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

5855 Silver Creek Valley Rd
San Jose, CA 95138-1059
Phone: (408) 574-9100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A051888 (CA)

Record details

NPI number1639499866
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2010
Last updated in NPPESJanuary 18, 2022
Certification dateJanuary 18, 2022

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