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

Geo Chacko MD PC

Organization Internal Medicine Physician · NPI 1982891362

Geo Chacko MD PC is an Internal Medicine Physician in Arcadia, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2007.

Licensed in
OK
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

8950 E Waterloo Rd
Arcadia, OK 73007-9513
Phone: (405) 936-0504
Fax: (405) 925-2195
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 23682 (OK)

Record details

NPI number1982891362
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Geo Chacko — Physician · (918) 329-9153
NPI enumeratedSeptember 28, 2007
Last updated in NPPESMarch 19, 2026
Certification dateMarch 19, 2026
Mailing addressPo Box 6023, Norman, OK 73070-6023