DR. JOHN MARK WILLIAMS MD
NPI 1700869401
Surgery in Greenville, NC

Q: What is John Williams's NPI number?

The NPI number for John Williams is 1700869401. It was assigned to this individual provider in the NPPES registry on November 28, 2005.

Q: What is John Williams's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for John Williams was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since November 28, 2005PECOS Enrolled

98.33/100

CMS Quality Rating

115 HEART DR, GREENVILLE, NC 27834(252) 744-4400(252) 744-3987 Get Directions Write a Review

NPPES record last updated: July 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 9, 2025, Nov 30, 2020 (2 updates tracked since 2020).

On this page

About Dr. John Mark Williams Md NPPES

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

DR. JOHN MARK WILLIAMS MD (NPI 1700869401) is an individual surgery provider in Greenville, North Carolina, licensed in North Carolina (29190) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700869401

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. JOHN MARK WILLIAMSCredential: MD

Location Address115 HEART DRGreenville, NC 27834-8982

Mailing AddressPo Box 751069Charlotte, NC 28275-1069

Phone(252) 744-4400

Fax(252) 744-3987

Sole ProprietorNo

Enumeration DateNovember 28, 2005

Last NPPES UpdateJuly 9, 20252 updates tracked since enumeration

NPPES CertifiedJuly 9, 2025

✔ NPI 1700869401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in NC · 29190

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

115 HEART DR, Greenville, NC 27834

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Other Identifiers 3

Other87766NC · Bcbs Nc

Medicaid8987766NC

Other330004173NC · Railroad Medicare

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. John Mark 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27834 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

$83.90 typical visit price

range $54.12 – $165.09

Typical copayment $20.97 (range $13.53 – $41.27)

Most-billed visit code 99203

Established Patient

$67.72 typical visit price

range $17.21 – $134.61

Typical copayment $16.93 (range $4.30 – $33.65)

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.

98.33/100

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

Scored through an Alternative Payment Model

Quality

82.93

Promoting Interoperability

100

Improvement Activities

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.

DR. JOHN N CATANZARO MD

Internal Medicine (Clinical Cardiac Electrophysiology)

115 HEART DR
GREENVILLE, NC 27834

Pitt County (252) 744-4400

SALLY KIRSTEN STONER PLP

Perfusionist

115 HEART DR, EAST CAROLINA HEART INSTITUTE AT ECU
GREENVILLE, NC 27834

Pitt County (252) 744-4400

DR. DINESH CHANDRA VORUGANTI MB,BS; MS

Internal Medicine (Clinical Cardiac Electrophysiology)

115 HEART DR
GREENVILLE, NC 27834

Pitt County (252) 744-4400

HALEY CARSON BRADDOCK FNP-C

Nurse Practitioner (Family)

115 HEART DR
GREENVILLE, NC 27834

Pitt County (252) 744-4400

ALICIA JOY MONSERRATE APRN

Nurse Practitioner

115 HEART DR
GREENVILLE, NC 27834

Pitt County (252) 744-4400

MISS SHANTEL ANN BRISSETT MD

Internal Medicine (Cardiovascular Disease)

115 HEART DR
GREENVILLE, NC 27834

Pitt County (252) 744-4400

SIVAKUMAR ARDHANARI MD

Internal Medicine (Cardiovascular Disease)

115 HEART DR
GREENVILLE, NC 27834

Pitt County (252) 744-4400

DR. JAMISON COLE MILLER M.D.

Pediatrics (Pediatric Cardiology)

115 HEART DR
GREENVILLE, NC 27834

Pitt County (252) 744-5601

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 John Williams's NPI number?

The NPI number for John Williams is 1700869401. It was assigned to this individual provider in the NPPES registry on November 28, 2005.

Where is John Williams located?

John Williams practices at 115 Heart Dr, Greenville, NC 27834. The listed phone number is (252) 744-4400.

What is John Williams's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is John Williams enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for John Williams was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.