1. Home
  2. Directory
  3. Texas
  4. Katy
  5. Internal Medicine
  6. NPI Profile

CHINEMEREM FRED ABANONU MD
NPI 1396972659
Internal Medicine - Medical Oncology in Katy, TX

Active since June 15, 2009PECOS EnrolledAccepts Medicare Assignment
18400 KATY FWY, MEDICAL OFFICE BUILDING 1, SUITE 220, KATY, TX 77094(832) 522-8521(832) 522-8624 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 30, 2026, Feb 23, 2023, May 6, 2020 (3 updates tracked since 2020).

About Chinemerem Fred Abanonu Md NPPES

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

CHINEMEREM FRED ABANONU MD (NPI 1396972659) is an individual medical oncology provider in Katy, Texas, licensed in Texas (S8945) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of University Of Minnesota Medical School (2009).

NPPES Registry Identity

NPI1396972659
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameCHINEMEREM FRED ABANONUCredential: MD
Location Address18400 KATY FWY, MEDICAL OFFICE BUILDING 1, SUITE 220Katy, TX 77094
Mailing Address18400 Katy Fwy, Mob 1, Suite 220Katy, TX 77094 · (832) 522-8521 · Fax (832) 522-8624
Phone(832) 522-8521
Fax(832) 522-8624
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2009
Enumeration DateJune 15, 2009
Last NPPES UpdateJanuary 30, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 30, 2026
✔ NPI 1396972659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in TX · S8945
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License S8945 (TX), 15981 (NV)
18400 KATY FWY, Katy, TX 77094
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Community Health Choice, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Chinemerem Fred Abanonu 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.

PECOS PAC ID8123268232
PECOS Enrollment IDI20210623001566
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
372 services169 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
32 services28 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
28 services20 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
21 services19 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
13 services13 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
12 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450820
Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County
Emergency services Birthing friendly

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670077
Location18500 Katy FreewayHouston, TX 77094 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77094 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$176.98 typical visit price
range $58.24 – $176.98
Typical copayment $44.24 (range $14.56 – $44.24)
Most-billed visit code 99205
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MIGUEL A GOMEZ MD PA
Surgery (Vascular Surgery)
18400 KATY FWY, STE 480
HOUSTON, TX 77094
Harris County (832) 260-0500
GREEN TRAILS FAMILY PRACTICE, P.A.
Family Medicine (Adult Medicine)
18400 KATY FWY, SUITE 405
HOUSTON, TX 77094
Harris County (281) 492-8400
TAM THI THANH HUYNH M.D.
Surgery (Vascular Surgery)
18400 KATY FWY, MEDICAL OFFICE BLDG, SUITE 640
HOUSTON, TX 77094
Harris County (832) 522-8600
ANNA D HENRY AU.D.
Audiologist
18400 KATY FWY, STE 470
HOUSTON, TX 77094
Harris County (281) 492-7827
MS. SARAH TOUPS YOUNG PA-C
Physician Assistant
18400 KATY FWY, SUITE 690
HOUSTON, TX 77094
Harris County (832) 522-8600
DAVID AARON HAYNES MD
Otolaryngology
18400 KATY FWY
HOUSTON, TX 77094
Harris County (281) 347-6700
MS. RACHEL JOY ELLSWORTH M.D
Colon & Rectal Surgery
18400 KATY FWY, SUITE 560
HOUSTON, TX 77094
Harris County (832) 522-3240
ELITE WOMEN'S CARE CENTER PA
Obstetrics & Gynecology
18400 KATY FWY, SUITE 400
HOUSTON, TX 77094
Harris County (281) 579-9900

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 Chinemerem Abanonu's NPI number?

The NPI number for Chinemerem Abanonu is 1396972659. It was assigned to this individual provider in the NPPES registry on June 15, 2009.

Where is Chinemerem Abanonu located?

Chinemerem Abanonu practices at 18400 Katy Fwy Medical Office Building 1, Suite 220, Katy, TX 77094. The listed phone number is (832) 522-8521.

What is Chinemerem Abanonu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Chinemerem Abanonu enrolled in Medicare?

Yes. Chinemerem Abanonu 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.

What insurance does Chinemerem Abanonu accept?

Health plans from Community Health Choice and Molina Healthcare list Chinemerem Abanonu 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 Chinemerem Abanonu affiliated with any hospitals?

According to CMS data, Chinemerem Abanonu is affiliated with Houston Methodist Hospital, Houston Methodist Sugarland Hospital and Houston Methodist West Hospital.

When was this NPI record last updated?

The NPPES record for Chinemerem Abanonu was last updated on January 30, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.