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GEO CHACKO MD PC
NPI 1982891362
Internal Medicine in Arcadia, OK

Active since September 28, 2007
8950 E WATERLOO RD, ARCADIA, OK 73007(405) 936-0504(405) 925-2195 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Geo Chacko Md Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GEO CHACKO MD PC (NPI 1982891362) is a healthcare organization registered as an internal medicine in Arcadia, Oklahoma and active in the NPI registry since September 2007. The organization lists Geo Chacko, Physician, as its authorized official.

NPPES Registry Identity

NPI1982891362
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGEO CHACKO MD PC
Location Address8950 E WATERLOO RDArcadia, OK 73007-9513
Mailing AddressPo Box 6023Norman, OK 73070-6023 · (405) 936-0504
Phone(405) 936-0504
Fax(405) 925-2195
Organization SubpartNo
Authorized OfficialGeo ChackoPhysician · (918) 329-9153
Enumeration DateSeptember 28, 2007
Last NPPES UpdateMarch 19, 2026
NPPES CertifiedMarch 19, 2026
✔ NPI 1982891362 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OK · 23682
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
8950 E WATERLOO RD, Arcadia, OK 73007
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Other Identifiers 1

Medicaid200021120BOK

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Geo Chacko Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Geo Chacko MD PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Geo Philips Chacko, MD
Internal Medicine
NPI 1700842440
901 N PORTER AVE
Norman, OK 73071
(405) 307-6630
✔ PECOS✔ Accepts Medicare34 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Geo Chacko MD PC's NPI number?

The NPI number for Geo Chacko MD PC is 1982891362. It was assigned to this organization in the NPPES registry on September 28, 2007.

Where is Geo Chacko MD PC located?

Geo Chacko MD PC is located at 8950 E Waterloo Rd, Arcadia, OK 73007. The listed phone number is (405) 936-0504.

What is Geo Chacko MD PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Geo Chacko MD PC enrolled in Medicare?

Yes. Geo Chacko MD PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Geo Chacko MD PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Geo Chacko MD PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Geo Chacko MD PC was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.