JOHN D DAY M.D.
NPI 1043310006
Neurological Surgery in Little Rock, AR

Active since September 22, 2006PECOS EnrolledAccepts Medicare Assignment
4301 W MARKHAM ST, #783, LITTLE ROCK, AR 72205(501) 686-7000(501) 526-6562 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John D Day M.d. NPPES

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

JOHN D DAY M.D. (NPI 1043310006) is an individual neurological surgery provider in Little Rock, Arkansas, licensed in Texas (41851) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with University Medical Center Of El Paso, and maintains a secondary practice location in Lubbock.

NPPES Registry Identity

NPI1043310006
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameJOHN D DAYCredential: M.D.
Location Address4301 W MARKHAM ST, #783Little Rock, AR 72205-7101
Mailing Address4301 W Markham St # 783Little Rock, AR 72205-7101 · (501) 686-7000 · Fax (501) 526-6562
Fax(501) 526-6562
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 1989
Enumeration DateSeptember 22, 2006
Last NPPES UpdateJune 23, 2026
NPPES CertifiedJune 23, 2026
NPI 1043310006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Licenses Licensed in TX · 41851 Licensed in TX · M7937
Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

4301 W MARKHAM ST, Little Rock, AR 72205

Secondary Practice Location 1

Location 13502 9th St Ste 430Lubbock, TX 79415-3368 · Phone (806) 761-0535 · Fax (806) 761-0534

Accepted 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

John D Day 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 ID4688667868
PECOS Enrollment IDI20070801000708
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

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

University Medical Center Of El Paso

Acute Care Hospitals · El Paso, TX
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450024
Location4815 Alameda AveEl Paso, TX 79905 · El Paso County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72205 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
$119.36 typical visit price
range $51.36 – $157.74
Typical copayment $29.84 (range $12.84 – $39.43)
Most-billed visit code 99204
Established Patient
$64.56 typical visit price
range $16.16 – $128.77
Typical copayment $16.14 (range $4.04 – $32.19)
Most-billed visit code 99213
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.

Dietitian, Registered
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST, SLOT # 500
LITTLE ROCK, AR 72205
Emergency Medicine
4301 W MARKHAM ST, SLOT 783
LITTLE ROCK, AR 72205
Internal Medicine (Endocrinology, Diabetes & Metabolism)
4301 W MARKHAM ST, # 783
LITTLE ROCK, AR 72205
Psychiatry & Neurology (Neuromuscular Medicine)
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Obstetrics & Gynecology
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST
LITTLE ROCK, AR 72205

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 John Day's NPI number?

The NPI number for John Day is 1043310006. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is John Day located?

John Day practices at 4301 W Markham St #783, Little Rock, AR 72205. The listed phone number is (501) 686-7000.

What is John Day's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is John Day enrolled in Medicare?

Yes. John Day 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 John Day accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list John Day 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 John Day affiliated with any hospitals?

According to CMS data, John Day is affiliated with University Medical Center Of El Paso.

When was this NPI record last updated?

The NPPES record for John Day was last updated on June 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.