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DR. WILLIAM MELVIN BROWN III M.D.
NPI 1538237383
General Practice in Charleston, SC

Active since December 01, 2006PECOS EnrolledAccepts Medicare Assignment
9330 MEDICAL PLAZA DR, CHARLESTON, SC 29406(843) 747-7000 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 14, 2026, Aug 28, 2023, Aug 22, 2023 and 2 more (5 updates tracked since 2022).

About Dr. William Melvin Brown Iii M.d. NPPES

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

DR. WILLIAM MELVIN BROWN III M.D. (NPI 1538237383) is an individual general practice provider in Charleston, South Carolina, licensed in South Carolina (MD36646) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and is a graduate of Medical University Of South Carolina College Of Medicine (2002).

NPPES Registry Identity

NPI1538237383
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. WILLIAM MELVIN BROWN IIICredential: M.D.
Location Address9330 MEDICAL PLAZA DRCharleston, SC 29406-9104
Mailing Address324 President StCharleston, SC 29403-4314 · (843) 513-2911
Phone(843) 747-7000
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2002
Enumeration DateDecember 1, 2006
Last NPPES UpdateMay 14, 20265 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
✔ NPI 1538237383 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
Licenses✔ Licensed in SC · MD36646✔ Licensed in SC · MD36626
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedEmergency MedicineTaxonomy 207P00000X · License 0101235526 (VA), MD36646 (SC)
Also ListedEmergency Medicine · Emergency Medical ServicesTaxonomy 207PE0004X · License MD26646 (SC)
9330 MEDICAL PLAZA DR, Charleston, SC 29406
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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, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Melvin Brown Iii 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 ID648457309
PECOS Enrollment IDI20150310001221
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

4

Medicare enrollment records show William Brown reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Shipsdoctor LLC
15 mi
Primary Care
677 KING ST STE 510
Charleston, SC 29403
  • Reassigned Medicare billing, South Carolina enrollment
NPI 1578307716 (843) 513-2911
Charleston Medicine And Behavioral Health, LLC
16 mi
Health Service
125 WAPPOO CREEK DR STE 202A
Charleston, SC 29412
  • Reassigned Medicare billing, South Carolina enrollment
  • 4 clinicians in this Medicare group
NPI 1518625441 (843) 913-8858
Georgetown Memorial Hospital
53 mi
General Acute Care Hospital
606 BLACK RIVER RD
Georgetown, SC 29440
  • Reassigned Medicare billing, South Carolina enrollment
  • 261 clinicians in this Medicare group
NPI 1982604021 (843) 527-7000
Acs Primary Care Physicians - Southeast PC
90 mi
Emergency Medicine
809 82ND PKWY
Myrtle Beach, SC 29572
  • Reassigned Medicare billing, South Carolina enrollment
  • 559 clinicians in this Medicare group
NPI 1861430555 (843) 692-1000

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 3

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 straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
20 services12 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.
15 services11 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Musc Medical Center

Acute Care Hospitals · Charleston, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420004
Location169 Ashley AveCharleston, SC 29425 · Charleston County
Emergency services Birthing friendly

Bon Secours-St Francis Xavier Hospital

Acute Care Hospitals · Charleston, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420065
Location2095 Henry Tecklenburg DriveCharleston, SC 29414 · Charleston County
Emergency services Birthing friendly

Trident Medical Center

Acute Care Hospitals · Charleston, SC
3/5 CMS rating
OwnershipProprietary
CMS Certification Number420079
Location9330 Medical Plaza DrCharleston, SC 29406 · Charleston County
Emergency services Birthing friendly

Roper Hospital

Acute Care Hospitals · Charleston, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420087
Location316 Calhoun StCharleston, SC 29401 · Charleston County
Emergency services

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$64.82 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$33.97 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MR. RICHARD DALE BRINSON MSN, APRN, NP-C
Nurse Practitioner (Acute Care)
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 847-4595
DR. DARRYL EDWARD MCFARLAND MD
Internal Medicine (Critical Care Medicine)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 797-7000
ROSSEN IVANOV KIRKOV MD
Emergency Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 797-7000
MORGAN ELISABETH HUNT
Student in an Organized Health Care Education/Training Program
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 797-7000
DR. ALLISON LUNDY MCCRAE MD
Surgery
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 797-7000
DR. SARAH MARESCA PT, DPT
Physical Therapist
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 797-7000
DR. VINCENT PAUL GRZYWACZ II MD
Radiology (Radiation Oncology)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 847-4571
MISBHA ANJUM MD
Student in an Organized Health Care Education/Training Program
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 847-5620

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 Brown's NPI number?

The NPI number for William Brown is 1538237383. It was assigned to this individual provider in the NPPES registry on December 1, 2006.

Where is William Brown located?

William Brown practices at 9330 Medical Plaza Dr, Charleston, SC 29406. The listed phone number is (843) 747-7000.

What is William Brown's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is William Brown enrolled in Medicare?

Yes. William Brown 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 William Brown's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Brown reassigns Medicare benefits to 4 organizations: Shipsdoctor LLC (Charleston, SC), Charleston Medicine And Behavioral Health, LLC (Charleston, SC), Georgetown Memorial Hospital (Georgetown, SC) and Acs Primary Care Physicians - Southeast PC (Myrtle Beach, SC). 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 William Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Brown accept?

Health plans from BlueCross BlueShield of South Carolina list William Brown 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 William Brown affiliated with any hospitals?

According to CMS data, William Brown is affiliated with Musc Medical Center, Bon Secours-St Francis Xavier Hospital, Trident Medical Center and Roper Hospital.

When was this NPI record last updated?

The NPPES record for William Brown was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.