Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SAMUEL PATRICK WALKER JR. D.O.
NPI 1255685152
Internal Medicine in East Liverpool, OH

Active since October 31, 2012PECOS EnrolledAccepts Medicare Assignment
425 W 5TH ST, EAST LIVERPOOL, OH 43920(330) 385-7200 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Apr 20, 2021, Aug 11, 2020 (3 updates tracked since 2020).

About Dr. Samuel Patrick Walker Jr. D.o. NPPES

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

DR. SAMUEL PATRICK WALKER JR. D.O. (NPI 1255685152) is an individual internal medicine provider in East Liverpool, Ohio, licensed in Alabama (DO.1545) and active in the NPI registry since October 2012. He is enrolled in Medicare PECOS, is affiliated with East Liverpool City Hospital, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1255685152
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. SAMUEL PATRICK WALKER JR.Credential: D.O.
Location Address425 W 5TH STEast Liverpool, OH 43920-2498
Mailing Address425 W 5th StEast Liverpool, OH 43920-2498 · (330) 385-7200
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateOctober 31, 2012
Last NPPES UpdateOctober 5, 20263 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1255685152 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AL · DO.1545
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
425 W 5TH ST, East Liverpool, OH 43920

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

Dr. Samuel Patrick Walker Jr. D.o. 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 ID4183915358
PECOS Enrollment IDI20200910001813
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

5

Medicare enrollment records show Samuel Walker reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Emergency Medicine
425 W 5TH ST
East Liverpool, OH 43920
  • Reassigned Medicare billing, Ohio enrollment
  • 118 clinicians in this Medicare group
Multi-Specialty
15655 STATE ROUTE 170
East Liverpool, OH 43920
  • Reassigned Medicare billing, Ohio enrollment
  • 100 clinicians in this Medicare group
Emergency Medicine
4000 JOHNSON RD
Steubenville, OH 43952
  • Reassigned Medicare billing, Ohio enrollment
  • 98 clinicians in this Medicare group
Critical Access
101 HOSPITAL CIR
Luverne, AL 36049
  • Reassigned Medicare billing, Alabama enrollment
  • Medicare enrollment name: Professional Resources Management Of Crenshaw LLC
  • 14 clinicians in this Medicare group
Specialist
39 ROY BEALL DR
Luverne, AL 36049
  • Reassigned Medicare billing, Alabama enrollment
  • 2 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.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
103 services78 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
93 services87 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
67 services61 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
21 services15 patients

Hospital Affiliations CMS Care Compare

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

East Liverpool City Hospital

Acute Care Hospitals · East Liverpool, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360096
Location425 West 5th StreetEast Liverpool, OH 43920 · Columbiana County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43920 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
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 20

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

Nurse Practitioner (Family)
425 W 5TH ST
EAST LIVERPOOL, OH 43920
Student in an Organized Health Care Education/Training Program
425 W 5TH ST
EAST LIVERPOOL, OH 43920
Internal Medicine
425 W 5TH ST
EAST LIVERPOOL, OH 43920
Student in an Organized Health Care Education/Training Program
425 W 5TH ST
EAST LIVERPOOL, OH 43920
Pharmacist
425 W 5TH ST
EAST LIVERPOOL, OH 43920
Occupational Therapy Assistant
425 W 5TH ST
EAST LIVERPOOL, OH 43920
Speech-Language Pathologist
425 W 5TH ST
EAST LIVERPOOL, OH 43920
Physician Assistant
425 W 5TH ST, EMERGENCY DEPT
EAST LIVERPOOL, OH 43920

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 Samuel Walker's NPI number?

The NPI number for Samuel Walker is 1255685152. It was assigned to this individual provider in the NPPES registry on October 31, 2012.

Where is Samuel Walker located?

Samuel Walker practices at 425 W 5th St, East Liverpool, OH 43920. The listed phone number is (330) 385-7200.

What is Samuel Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Samuel Walker enrolled in Medicare?

Yes. Samuel Walker 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 Samuel Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Walker reassigns Medicare benefits to 5 organizations: Hles Of Ohio Inc (East Liverpool, OH), River Valley Physicians, LLC (East Liverpool, OH), Columbiana Emergency Physicians LLC (Steubenville, OH), Crenshaw County Health Care Authority (Luverne, AL) and Luverne Health Clinic, P.A. (Luverne, AL). 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 Samuel Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samuel Walker accept?

Health plans from CareSource list Samuel Walker 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 Samuel Walker affiliated with any hospitals?

According to CMS data, Samuel Walker is affiliated with East Liverpool City Hospital.

When was this NPI record last updated?

The NPPES record for Samuel Walker was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.