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

Individual provider Occupational Medicine Physician · NPI 1568661452

Mr. Siva Ayyar, MD is an Occupational Medicine Physician in Houston, Texas. Licensed in California and Texas. Registered with an NPI since 2007.

Licensed in
CA, TX
In the registry since
2007
Specialties on file
3
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

6641 Grand Blvd
Houston, TX 77021
Phone: (832) 308-1010
Fax: (832) 308-1017
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Preventive Medicine/Occupational Environmental Medicine Physician (primary) Taxonomy 2083P0500X · Licence M2512 (TX)
Occupational Medicine Physician Taxonomy 2083X0100X · Licence A93006 (CA)
Occupational Medicine Physician Taxonomy 2083X0100X · Licence M2512 (TX)

Record details

NPI number1568661452
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2007
Last updated in NPPESMarch 19, 2015

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