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AKAOLISA SAMUEL EZIOKWU M.D.
NPI 1265884100
Internal Medicine - Hematology & Oncology in Chillicothe, OH

Active since July 04, 2016PECOS EnrolledAccepts Medicare Assignment
4435 STATE ROUTE 159, CHILLICOTHE, OH 45601(740) 542-3030 Get Directions Write a Review

NPPES record last updated: July 29, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 29, 2024, Jul 22, 2024, Nov 20, 2020 (3 updates tracked since 2020).

About Akaolisa Samuel Eziokwu M.d. NPPES

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

AKAOLISA SAMUEL EZIOKWU M.D. (NPI 1265884100) is an individual hematology & oncology provider in Chillicothe, Ohio, licensed in Ohio (35.134475) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS, is affiliated with Ohio State University State Health System, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1265884100
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameAKAOLISA SAMUEL EZIOKWUCredential: M.D.
Location Address4435 STATE ROUTE 159Chillicothe, OH 45601-8620
Mailing Address4435 State Route 159Chillicothe, OH 45601-8620 · (740) 542-3030
Phone(740) 542-3030
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateJuly 4, 2016
Last NPPES UpdateJuly 29, 20243 updates tracked since enumeration
NPPES CertifiedJuly 29, 2024
✔ NPI 1265884100 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in OH · 35.134475
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 35.134475 (OH), 57.027608 (OH)
4435 STATE ROUTE 159, Chillicothe, OH 45601
Open in Google Maps ↗

Secondary Practice Locations 2

Location 13789 Taft AveBeavercreek, OH 45431-1694 · Phone (216) 630-5719
Location 29500 Euclid AveCleveland, OH 44195-0001 · Phone (216) 445-7681 ext. 88537 · Fax (216) 445-6290

Other Identifiers 1

Medicaid0173392OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Akaolisa Samuel Eziokwu M.d. 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 ID547553570
PECOS Enrollment IDI20190828001747
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.

Medicare Billing Reassignments

8

Medicare enrollment records show Akaolisa Eziokwu reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adena Medical Group LLC
0.3 mi
Family Medicine
272 HOSPITAL RD
Chillicothe, OH 45601
  • Reassigned Medicare billing, Ohio enrollment
  • 763 clinicians in this Medicare group
NPI 1235468083 (740) 779-7500
Hospitalist Medicine Physicians Of Ohio, Professional Corporation
41 mi
Internal Medicine
6001 E BROAD ST
Columbus, OH 43213
  • Reassigned Medicare billing, Ohio enrollment
  • 776 clinicians in this Medicare group
NPI 1043572290 (614) 234-7535
Mvhe Inc
46 mi
Family Medicine
4940 COTTONVILLE RD, SUITE 100
Jamestown, OH 45335
  • Reassigned Medicare billing, Ohio enrollment
  • 744 clinicians in this Medicare group
NPI 1982657318 (937) 675-6830
Upper Valley Professional Corporation
78 mi
Family Medicine
3130 N COUNTY ROAD 25A
Troy, OH 45373
  • Reassigned Medicare billing, Ohio enrollment
  • 405 clinicians in this Medicare group
NPI 1407872518 (937) 440-7497
Apogee Medical Group Ohio Inc
206 mi
Internal Medicine
2420 LAKE AVE
Ashtabula, OH 44004
  • Reassigned Medicare billing, Ohio enrollment
  • 272 clinicians in this Medicare group
NPI 1477500999 (440) 997-6328
Cogent Healthcare Of Texas, PA
891 mi
Internal Medicine
8200 WALNUT HILL LN
Dallas, TX 75231
  • Reassigned Medicare billing, Texas enrollment
  • 1,208 clinicians in this Medicare group
NPI 1992722953 (214) 345-7585
Jefferson Physician Services, PLLC
902 mi
Internal Medicine
2830 CALDER ST
Beaumont, TX 77702
  • Reassigned Medicare billing, Texas enrollment
  • 103 clinicians in this Medicare group
NPI 1598546764 (409) 892-7171
Hospitalist Medicine Physicians Of Texas, PLLC
953 mi
Internal Medicine
18951 N MEMORIAL DR
Humble, TX 77338
  • Reassigned Medicare billing, Texas enrollment
  • 2,009 clinicians in this Medicare group
NPI 1629307095 (281) 540-7700

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

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.

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.
81 services56 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
50 services32 patients
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.
41 services26 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
36 services34 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
32 services32 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.
16 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Ohio State University State Health System

Acute Care Hospitals · Columbus, OH
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number360085
Location410 West 10th AvenueColumbus, OH 43210 · Franklin County
Emergency services Birthing friendly

Adena Regional Medical Center

Acute Care Hospitals · Chillicothe, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360159
Location272 Hospital RoadChillicothe, OH 45601 · Ross County
Emergency services Birthing friendly

Greenfield Area Medical Center

Critical Access Hospitals · Greenfield, OH
OwnershipVoluntary non-profit - Private
CMS Certification Number361304
Location550 Mirabeau StreetGreenfield, OH 45123 · Highland County
Emergency services

Adena Fayette Medical Center

Critical Access Hospitals · Washington Ch, OH
OwnershipGovernment - Local
CMS Certification Number361331
Location1430 Columbus AvenueWashington Ch, OH 43160 · Fayette County
Emergency services

Adena Pike Medical Center

Critical Access Hospitals · Waverly, OH
OwnershipVoluntary non-profit - Private
CMS Certification Number361334
Location100 Dawn LaneWaverly, OH 45690 · Pike County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45601 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
$166.65 typical visit price
range $54.34 – $166.65
Typical copayment $41.66 (range $13.58 – $41.66)
Most-billed visit code 99205
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 8

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

CARISSA MITCHELL APRN. CNP
Nurse Practitioner (Family)
4435 STATE ROUTE 159
CHILLICOTHE, OH 45601
Ross County (740) 542-3030
ANGELA M WELLMAN CNP
Nurse Practitioner (Family)
4435 STATE ROUTE 159
CHILLICOTHE, OH 45601
Ross County (740) 542-3030
SANDIPKUMAR H. PATEL M.D.
Internal Medicine (Hematology & Oncology)
4435 STATE ROUTE 159
CHILLICOTHE, OH 45601
Ross County (740) 542-3030
SARA SINGER
Internal Medicine (Hematology & Oncology)
4435 STATE ROUTE 159
CHILLICOTHE, OH 45601
Ross County (740) 542-3030
DR. JEFFREY S ROSE MD
Internal Medicine (Medical Oncology)
4435 STATE ROUTE 159
CHILLICOTHE, OH 45601
Ross County (740) 542-3030
ABIGAIL REBECCA JOHNSON CNP
Nurse Practitioner
4435 STATE ROUTE 159
CHILLICOTHE, OH 45601
Ross County (740) 542-3030
GREGORY M THOMPSON MD
Radiology (Radiation Oncology)
4435 STATE ROUTE 159
CHILLICOTHE, OH 45601
Ross County (740) 542-3030
VAMSI KODURI MD
Internal Medicine (Hematology & Oncology)
4435 STATE ROUTE 159
CHILLICOTHE, OH 45601
Ross County (740) 672-2025

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 Akaolisa Eziokwu's NPI number?

The NPI number for Akaolisa Eziokwu is 1265884100. It was assigned to this individual provider in the NPPES registry on July 4, 2016.

Where is Akaolisa Eziokwu located?

Akaolisa Eziokwu practices at 4435 State Route 159, Chillicothe, OH 45601. The listed phone number is (740) 542-3030.

What is Akaolisa Eziokwu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Akaolisa Eziokwu enrolled in Medicare?

Yes. Akaolisa Eziokwu 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 Akaolisa Eziokwu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Akaolisa Eziokwu reassigns Medicare benefits to 8 organizations: Adena Medical Group LLC (Chillicothe, OH), Hospitalist Medicine Physicians Of Ohio, Professional Corporation (Columbus, OH), Mvhe Inc (Jamestown, OH), Upper Valley Professional Corporation (Troy, OH), Apogee Medical Group Ohio Inc (Ashtabula, OH) and 3 more organizations, listed in the Medicare section above. 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 Akaolisa Eziokwu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Akaolisa Eziokwu accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 6 other insurers list Akaolisa Eziokwu 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 Akaolisa Eziokwu affiliated with any hospitals?

According to CMS data, Akaolisa Eziokwu is affiliated with Ohio State University State Health System, Adena Regional Medical Center, Greenfield Area Medical Center, Adena Fayette Medical Center and Adena Pike Medical Center.

When was this NPI record last updated?

The NPPES record for Akaolisa Eziokwu was last updated on July 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.