DR. WILLIAM SUMNERS MAYO D.O.
NPI 1215931738
Ophthalmology in Oxford, MS

Q: What is William Mayo's NPI number?

The NPI number for William Mayo is 1215931738. It was assigned to this individual provider in the NPPES registry on June 13, 2005.

Q: What is William Mayo's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for William Mayo was last updated on March 31, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since June 13, 2005PECOS Enrolled

75.84/100

CMS Quality Rating

1628 HIGHWAY 30 EAST, OXFORD, MS 38655(662) 234-3937(662) 234-3898 Get Directions Write a Review

NPPES record last updated: March 31, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 31, 2021, Sep 27, 2019 (2 updates tracked since 2019).

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About Dr. William Sumners Mayo D.o. NPPES

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

DR. WILLIAM SUMNERS MAYO D.O. (NPI 1215931738) is an individual ophthalmology provider in Oxford, Mississippi, licensed in Mississippi (09636) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215931738

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. WILLIAM SUMNERS MAYOCredential: D.O.

Location Address1628 HIGHWAY 30 EASTOxford, MS 38655-5347

Mailing AddressPo Box 1520Oxford, MS 38655-1520 · (662) 234-3937 · Fax (662) 234-3898

Phone(662) 234-3937

Fax(662) 234-3898

Sole ProprietorNo

Enumeration DateJune 13, 2005

Last NPPES UpdateMarch 31, 20212 updates tracked since enumeration

NPPES CertifiedMarch 8, 2021

✔ NPI 1215931738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in MS · 09636

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

1628 HIGHWAY 30 EAST, Oxford, MS 38655

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Other Identifiers 1

Medicaid00116970MS

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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)

Dr. William Sumners Mayo D.o. 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.

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.

104 services103 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.

27 services27 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

20 services20 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38655 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

$120.41 typical visit price

range $51.65 – $159.18

Typical copayment $30.10 (range $12.91 – $39.79)

Most-billed visit code 99204

Established Patient

$64.96 typical visit price

range $16.15 – $129.61

Typical copayment $16.24 (range $4.03 – $32.40)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75.84/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Improvement Activities

Cost

19.47

Other Providers at the Same Location NPPES 2

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

MS EYE CONSULTANTS LLC

Ophthalmology

1628 HIGHWAY 30 EAST
OXFORD, MS 38655

Lafayette County (662) 234-3937

MR. JAMES BYRON SHIPP MD

Ophthalmology

1628 HIGHWAY 30 EAST
OXFORD, MS 38655

Lafayette County (662) 234-3937

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 Mayo's NPI number?

The NPI number for William Mayo is 1215931738. It was assigned to this individual provider in the NPPES registry on June 13, 2005.

Where is William Mayo located?

William Mayo practices at 1628 Highway 30 East, Oxford, MS 38655. The listed phone number is (662) 234-3937.

What is William Mayo's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is William Mayo enrolled in Medicare?

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

What insurance does William Mayo accept?

Health plans from Providence Health Plan list William Mayo 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 Mayo was last updated on March 31, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.