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

Individual provider Anesthesiology Physician · NPI 1831166685

Dr. Thomas H. On, MD is an Anesthesiology Physician in Phoenix, Arizona. Licensed in Arizona. Registered with an NPI since 2006.

Licensed in
AZ
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

77 E Columbus Ave Ste 201
Phoenix, AZ 85012-2348
Phone: (602) 200-9021
Fax: (602) 200-9087
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 21605 (AZ)

Record details

NPI number1831166685
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 1, 2006
Last updated in NPPESJune 9, 2014

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