WILLIAM HAYWOOD MAYS III M.D.
NPI 1265690580
Psychiatry & Neurology - Neurology in Memphis, TN

Active since May 23, 2008PECOS Enrolled
1265 UNION AVE, MEMPHIS, TN 38104(901) 516-2312(901) 516-7395 Get Directions Write a Review

NPPES record last updated: June 27, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 27, 2021, Apr 13, 2020, Jan 15, 2020 and 2 more (5 updates tracked since 2015).

About William Haywood Mays Iii M.d. NPPES

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

WILLIAM HAYWOOD MAYS III M.D. (NPI 1265690580) is an individual neurology provider in Memphis, Tennessee, licensed in Tennessee (57627) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265690580
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameWILLIAM HAYWOOD MAYS IIICredential: M.D.
Location Address1265 UNION AVEMemphis, TN 38104-3415
Mailing Address4174 Minden RdMemphis, TN 38117-1606 · (901) 647-5394
Fax(901) 516-7395
Sole ProprietorNo
Enumeration DateMay 23, 2008
Last NPPES UpdateJune 27, 20215 updates tracked since enumeration
NPPES CertifiedJune 27, 2021
NPI 1265690580 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in TN · 57627
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 57627 (TN), E-12952 (AR)
Also ListedSurgeryTaxonomy 208600000X · License 0101251924 (VA)
1265 UNION AVE, Memphis, TN 38104

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 (PECOS)

William Haywood Mays Iii M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 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 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.
27 services27 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.
21 services21 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 services12 patients
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.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38104 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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 Anesthetist, Certified Registered
1265 UNION AVE
MEMPHIS, TN 38104
Hospitalist
1265 UNION AVE
MEMPHIS, TN 38104
Student in an Organized Health Care Education/Training Program
1265 UNION AVE
MEMPHIS, TN 38104
Internal Medicine
1265 UNION AVE
MEMPHIS, TN 38104
Pharmacist
1265 UNION AVE
MEMPHIS, TN 38104
Emergency Medicine
1265 UNION AVE
MEMPHIS, TN 38104
Anesthesiology
1265 UNION AVE
MEMPHIS, TN 38104
Radiologic Technologist (Radiation Therapy)
1265 UNION AVE
MEMPHIS, TN 38104

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 William Mays's NPI number?

The NPI number for William Mays is 1265690580. It was assigned to this individual provider in the NPPES registry on May 23, 2008.

Where is William Mays located?

William Mays practices at 1265 Union Ave, Memphis, TN 38104. The listed phone number is (901) 516-2312.

What is William Mays's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is William Mays enrolled in Medicare?

Yes. William Mays is registered in the Medicare PECOS enrollment system.

What insurance does William Mays accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 3 other insurers list William Mays 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.

When was this NPI record last updated?

The NPPES record for William Mays was last updated on June 27, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.