KOYENUM CHINONSO OBI MD
NPI 1992268320
Internal Medicine - Cardiovascular Disease in Cypress, TX
About Koyenum Chinonso Obi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KOYENUM CHINONSO OBI MD (NPI 1992268320) is an individual cardiovascular disease provider in Cypress, Texas, licensed in Texas (V7978) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and maintains a secondary practice location in Humble.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Koyenum Chinonso Obi Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Koyenum Obi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 36 clinicians in this Medicare group
Lake Charles, LA 70605
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Terrytown, LA 70056
- Reassigned Medicare billing, Louisiana enrollment
- 417 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann - Texas Medical Center
Acute Care Hospitals · Houston, TXMemorial Hermann Northeast Hospital
Acute Care Hospitals · Humble, TXHca Houston Healthcare Kingwood
Acute Care Hospitals · Kingwood, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77433 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CYPRESS, TX 77433
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 Koyenum Obi's NPI number?
The NPI number for Koyenum Obi is 1992268320. It was assigned to this individual provider in the NPPES registry on April 11, 2019.
Where is Koyenum Obi located?
Koyenum Obi practices at 27126 Northwest Fwy Ste 300, Cypress, TX 77433. The listed phone number is (281) 446-7173.
What is Koyenum Obi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Koyenum Obi enrolled in Medicare?
Yes. Koyenum Obi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Koyenum Obi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Koyenum Obi reassigns Medicare benefits to 3 organizations: Mehta Medical Group PLLC (Humble, TX), Ochsner Clinic LLC (Lake Charles, LA) and Belle Chasse Physician Services LLC (Terrytown, LA). Each 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 Koyenum Obi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Koyenum Obi accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Koyenum Obi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Koyenum Obi affiliated with any hospitals?
According to CMS data, Koyenum Obi is affiliated with Memorial Hermann - Texas Medical Center, Memorial Hermann Northeast Hospital and Hca Houston Healthcare Kingwood.
When was this NPI record last updated?
The NPPES record for Koyenum Obi was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Koyenum Chinonso Obi, MD · NPI 1992268320
Cardiovascular Disease physician in Cypress, Texas. Individual provider, active in the CMS NPPES registry since April 11, 2019.
## Identity
- **NPI:** 1992268320 (Entity type: Individual)
- **Enumerated:** April 11, 2019
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** V7978 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 27126 NORTHWEST FWY STE 300, Cypress, TX 77433-4932
- **Phone:** (281) 446-7173
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Mehta Medical Group PLLC (NPI 1780708321, Humble, TX); Ochsner Clinic LLC (NPI 1174095707, Lake Charles, LA); Belle Chasse Physician Services LLC (NPI 1245653237, Terrytown, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992268320) · Data from the CMS NPPES public registry.