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

Dr. Glenn Roy Allison, MD

Individual provider Otolaryngology Physician · NPI 1245386051

Dr. Glenn Roy Allison, MD is an Otolaryngology Physician in Orange, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
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.

See every abbreviation used in this directory →

Practice location Address checks out

212 E Chapman Ave
Orange, CA 92866-1506
Phone: (714) 633-9761
Fax: (714) 633-0802
Show map & directions

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

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence G25063 (CA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence G25063 (CA)
Plastic and Reconstructive Surgery Physician Taxonomy 2086S0122X · Licence G25063 (CA)

Record details

NPI number1245386051
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 26, 2007
Last updated in NPPESSeptember 11, 2025

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