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MAYES INTERNAL MEDICINE, LLC
NPI 1952713174
Internal Medicine in Hilton Head, SC

Active since May 22, 2014CLIA 42D2081812 · Waiver
8 HOSPITAL CENTER BLVD STE 210, HILTON HEAD, SC 29926(843) 342-4455(843) 342-4456 Get Directions Write a Review

NPPES record last updated: April 22, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 22, 2022, May 14, 2021, May 26, 2020 (3 updates tracked since 2020).

About Mayes Internal Medicine, Llc NPPES

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

MAYES INTERNAL MEDICINE, LLC (NPI 1952713174) is a healthcare organization registered as an internal medicine in Hilton Head, South Carolina and active in the NPI registry since May 2014. The organization holds a CLIA Waiver certificate valid through July 30, 2028 and lists Michael P Mayes, Owner, as its authorized official.

NPPES Registry Identity

NPI1952713174
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMAYES INTERNAL MEDICINE, LLC
Location Address8 HOSPITAL CENTER BLVD STE 210Hilton Head, SC 29926-8700
Mailing Address8 Hospital Center Blvd Ste 210Hilton Head Island, SC 29926-8700 · (843) 342-4455 · Fax (843) 342-4435
Phone(843) 342-4455
Fax(843) 342-4456
Organization SubpartNo
Authorized OfficialMichael P MayesOwner · (843) 342-4455
Enumeration DateMay 22, 2014
Last NPPES UpdateApril 22, 20223 updates tracked since enumeration
NPPES CertifiedApril 22, 2022
✔ NPI 1952713174 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in SC · MD19565
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.
8 HOSPITAL CENTER BLVD STE 210, Hilton Head, SC 29926
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mayes Internal Medicine, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Mayes Internal Medicine, LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Michael Mayes, M.D.
Internal Medicine
NPI 1275627077
8 HOSPITAL CENTER BLVD STE 210
Hilton Head, SC 29926
(843) 342-4455
✔ PECOS✔ Accepts MedicareSame address
Flint Walker, D.O.
Family Practice
NPI 1215356894
8 HOSPITAL CENTER BLVD STE 210
Hilton Head, SC 29926
(843) 342-4455
✔ PECOS✔ Accepts MedicareSame address
Everald Walker, MD
Internal Medicine
NPI 1922444363
55 HOSPITAL CENTER CMNS STE 200B
Hilton Head Island, SC 29926
(843) 342-4455
✔ PECOS✔ Accepts Medicare0.4 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 42D2081812

Mayes Internal Medicine, LLC · Hilton Head Island, SC
Active · expires Jul 30, 2028
CLIA Number42D2081812
Laboratory TypePhysician Office
Certificate Effective DateJuly 31, 2026
Certificate Expiration DateJuly 30, 2028
Laboratory DirectorEverald Walker
Laboratory Phone(843) 342-4455
Laboratory LocationMayes Internal Medicine, LLC55 Hospital Center Commons, Bldg 8, Suite B, Hilton Head Island, SC 29926
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Mayes Internal Medicine, LLC's NPI number?

The NPI number for Mayes Internal Medicine, LLC is 1952713174. It was assigned to this organization in the NPPES registry on May 22, 2014.

Where is Mayes Internal Medicine, LLC located?

Mayes Internal Medicine, LLC is located at 8 Hospital Center Blvd Ste 210, Hilton Head, SC 29926. The listed phone number is (843) 342-4455.

What is Mayes Internal Medicine, LLC's specialty?

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

Is Mayes Internal Medicine, LLC enrolled in Medicare?

Yes. Mayes Internal Medicine, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mayes Internal Medicine, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Mayes Internal Medicine, LLC, in Family Practice and Internal Medicine. A 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 the clinician's services. Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Mayes Internal Medicine, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 42D2081812) is associated with this NPI, valid through July 30, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Mayes Internal Medicine, LLC accept?

Health plans from BlueCross BlueShield of South Carolina list Mayes Internal Medicine, LLC 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 Mayes Internal Medicine, LLC was last updated on April 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.