George Chacko, M.D.
NPI 1891837787 · Nuclear Imaging & Therapy Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Nuclear Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Chacko, M.D. is a Nuclear Imaging & Therapy Physician provider in Oklahoma City, OK (NPI 1891837787).
Provider details
- NPI number
- 1891837787
- Entity type
- Individual
- Primary specialty
- Nuclear Imaging & Therapy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 17461 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-13
- Last updated
- 2021-03-05
- Certified
- 2021-03-05
Frequently asked questions
- What is George Chacko's NPI number?
- George Chacko's National Provider Identifier (NPI) is 1891837787, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Chacko's specialty?
- George Chacko is listed in the NPPES registry with a primary specialty of Nuclear Imaging & Therapy Physician (Allopathic & Osteopathic Physicians).
- Where is George Chacko located?
- George Chacko's practice location on file with NPPES is 8224 Silver Xing, Oklahoma City, OK 73132-3375.
- What is George Chacko's phone number?
- The practice phone number listed in the NPPES registry for George Chacko is (405) 722-4645.
- Does George Chacko accept Medicare?
- George Chacko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Chacko's NPI active?
- Yes — George Chacko's NPI (1891837787) is active in the NPPES registry as of the last update on 2021-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.