Obiefuna Okponyia, MD
NPI 1609505528 · Internal Medicine Physician · Carbondale, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Obiefuna Okponyia, MD is a Internal Medicine Physician provider in Carbondale, IL (NPI 1609505528).
Provider details
- NPI number
- 1609505528
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$70 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-07
- Last updated
- 2025-08-29
- Certified
- 2025-08-29
Frequently asked questions
- What is Obiefuna Okponyia's NPI number?
- Obiefuna Okponyia's National Provider Identifier (NPI) is 1609505528, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Obiefuna Okponyia's specialty?
- Obiefuna Okponyia is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Obiefuna Okponyia located?
- Obiefuna Okponyia's practice location on file with NPPES is 405 W Jackson St, Carbondale, IL 62901-1462.
- What is Obiefuna Okponyia's phone number?
- The practice phone number listed in the NPPES registry for Obiefuna Okponyia is (618) 942-2171.
- Does Obiefuna Okponyia accept Medicare?
- Obiefuna Okponyia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Obiefuna Okponyia's NPI active?
- Yes — Obiefuna Okponyia's NPI (1609505528) is active in the NPPES registry as of the last update on 2025-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.