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MARK ALAN WILLIAMS MD
NPI 1851496392
Urology - Pediatric Urology in Charlotte, NC

Active since September 13, 2006PECOS Enrolled
95.35/100
CMS Quality Rating
1001 BLYTHE BLVD, CHARLOTTE, NC 28203(704) 446-5070 Get Directions Write a Review

NPPES record last updated: July 15, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 15, 2024, May 4, 2023, Mar 9, 2023 and 52 more (55 updates tracked since 2017).

About Mark Alan Williams Md NPPES

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

MARK ALAN WILLIAMS MD (NPI 1851496392) is an individual pediatric urology provider in Charlotte, North Carolina, licensed in North Carolina (36453) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1851496392
Entity TypeIndividualMale
Primary Taxonomy2088P0231X
Provider Legal NameMARK ALAN WILLIAMSCredential: MD
Location Address1001 BLYTHE BLVDCharlotte, NC 28203-5866
Mailing AddressPo Box 19305Charlotte, NC 28219-9305
Phone(704) 446-5070
Sole ProprietorNo
Enumeration DateSeptember 13, 2006
Last NPPES UpdateJuly 15, 202455 updates tracked since enumeration
✔ NPI 1851496392 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyUrology · Pediatric UrologyAllopathic & Osteopathic Physicians
Taxonomy Code2088P0231X
License✔ Licensed in NC · 36453
Definition
Surgeons who can diagnose, treat, and manage children's urinary and genital problems. A pediatric urologist devotes a minimum of 50% of his or her practice to the urologic problems of infants, children, and adolescents. Pediatric urologists generally provide the following services: the evaluation and management of voiding disorders; vesicoureteral reflux, and urinary tract infections that require surgery; surgical reconstruction of the urinary tract (kidneys, ureters, and bladder) including genital abnormalities, hypospadias, and intersex conditions; surgery for groin conditions in childhood and adolescence (undescended testes, hydrocele/hernia, varicocele).
Also ListedUrologyTaxonomy 208800000X · License 36453 (NC)
1001 BLYTHE BLVD, Charlotte, NC 28203
Open in Google Maps ↗

Secondary Practice Locations 4

Location 111530 Providence Rd, Ste 2100Charlotte, NC 28277-2691 · Phone (704) 446-5070
Location 2100 Medical Park Dr, Ste 310Concord, NC 28025-2948 · Phone (704) 446-5070
Location 31781 Tate Blvd SE, Ste 203Hickory, NC 28602-4251 · Phone (704) 446-3350
Location 41001 Blythe Blvd, Medical Center Plaza, Suite 200Charlotte, NC 28203-5866 · Phone (704) 381-8840

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, BlueCross BlueShield of South Carolina, InStil Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Alan Williams Md 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Mark Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Carolinas Medical Center
Same address
Pediatric Hematology-Oncology
1001 BLYTHE BLVD, STE 601A
Charlotte, NC 28203
  • Reassigned Medicare billing, North Carolina enrollment
  • 2,223 clinicians in this Medicare group
NPI 1457695454 (704) 381-9900
Carolinas Physicians Network Inc
0.1 mi
Pediatric Surgery
1025 MOREHEAD MEDICAL DR, STE 275
Charlotte, NC 28204
  • Reassigned Medicare billing, North Carolina enrollment
  • 2,057 clinicians in this Medicare group
NPI 1194157388 (704) 403-2662

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

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.

95.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.22
Promoting Interoperability100
Improvement Activities40

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.

AMANDA MARIE SEBRING MD
Pediatrics (Pediatric Critical Care Medicine)
1001 BLYTHE BLVD, MEDICAL CENTER PLAZA SUITE 200
CHARLOTTE, NC 28203
Mecklenburg County (704) 381-8840
HANNA LYN JAKOBEK NP
Nurse Practitioner
1001 BLYTHE BLVD, MEDICAL CENTER PLAZA SUITE 200
CHARLOTTE, NC 28203
Mecklenburg County (704) 381-8840
JANETTA KITCHKO PA
Physician Assistant
1001 BLYTHE BLVD, MEDICAL CENTER PLAZA SUITE 200
CHARLOTTE, NC 28203
Mecklenburg County (704) 381-8840
NICOLE A. CAGLE RICHARDSON MD
Pediatrics
1001 BLYTHE BLVD, MEDICAL CENTER PLAZA SUITE 200
CHARLOTTE, NC 28203
Mecklenburg County (704) 381-8840
GAIL MARGARET HARRIS NP
Nurse Practitioner
1001 BLYTHE BLVD, MEDICAL CENTER PLAZA SUITE 200
CHARLOTTE, NC 28203
Mecklenburg County (704) 381-8840
PAMELA CAROL JACKSON NP
Nurse Practitioner
1001 BLYTHE BLVD, MEDICAL CENTER PLAZA SUITE 200
CHARLOTTE, NC 28203
Mecklenburg County (704) 381-8840
BRITTANY FORREN ROGERS NP
Nurse Practitioner
1001 BLYTHE BLVD
CHARLOTTE, NC 28203
Mecklenburg County (704) 381-1450
MS. RACHAEL LAMERE KAIN PA-C
Physician Assistant (Surgical)
1001 BLYTHE BLVD
CHARLOTTE, NC 28203
Mecklenburg County (704) 446-3350

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 Mark Williams's NPI number?

The NPI number for Mark Williams is 1851496392. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Where is Mark Williams located?

Mark Williams practices at 1001 Blythe Blvd, Charlotte, NC 28203. The listed phone number is (704) 446-5070.

What is Mark Williams's specialty?

The primary specialty registered for this NPI is Urology, specializing in Pediatric Urology, with taxonomy code 2088P0231X.

Is Mark Williams enrolled in Medicare?

Yes. Mark Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Williams reassigns Medicare benefits to 2 organizations: Carolinas Medical Center (Charlotte, NC) and Carolinas Physicians Network Inc (Charlotte, NC). 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 Mark Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Williams accept?

Health plans from Blue Cross and Blue Shield of NC, BlueCross BlueShield of South Carolina, InStil Health and Oscar Health Plan of North Carolina, Inc list Mark Williams 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 Mark Williams was last updated on July 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.