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

Robert M. Holbrook MD, PLLC

Organization Gastroenterology Physician · NPI 1801824503

Robert M. Holbrook MD, PLLC is a Gastroenterology Physician in Norman, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2006.

Licensed in
OK
In the registry since
2006
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1125 N Porter Ave Ste 206
Norman, OK 73071-6446
Phone: (405) 366-8619
Fax: (405) 366-1839
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 22135 (OK)

Record details

NPI number1801824503
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Holbrook — Owner · (405) 366-8619
NPI enumeratedJune 29, 2006
Last updated in NPPESAugust 22, 2020
Mailing address1125 N Porter Ave, Suite 206, Norman, OK 73071-6446

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