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

Individual provider Internal Medicine Physician · NPI 1700842440

Dr. Geo Philips Chacko, MD is an Internal Medicine in Norman, Oklahoma. Graduated from Howard University College of Medicine in 1998, 28 years ago. Practices with Optimum Care Hospitalist Group PLLC, a 22-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
28
Trained at
Howard University College of Medicine
Licensed in
OK
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

901 N Porter Ave
Norman, OK 73071-6404
Phone: (405) 307-6630
Fax: (405) 307-6660
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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 number1700842440
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2006
Last updated in NPPESMarch 19, 2026
Certification dateMarch 19, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesEMERGENCY MEDICINE
Medical schoolHOWARD UNIVERSITY COLLEGE OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Optimum Care Hospitalist Group Pllc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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