DR. MEGUMI AITA WILLIAMSON D.D.S., PH.D
NPI 1205212792
Dentist - Periodontics in Greenville, NC

Active since August 06, 2015PECOS Enrolled
1851 MACGREGOR DOWNS RD, GREENVILLE, NC 27834(252) 737-7000 Get Directions Write a Review

NPPES record last updated: February 1, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 1, 2023, Aug 28, 2018 (2 updates tracked since 2018).

About Dr. Megumi Aita Williamson D.d.s., Ph.d NPPES

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

DR. MEGUMI AITA WILLIAMSON D.D.S., PH.D (NPI 1205212792) is an individual periodontics provider in Greenville, North Carolina, licensed in North Carolina (0257) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205212792
Entity TypeIndividualFemale
Primary Taxonomy1223P0300X
Provider Legal NameDR. MEGUMI AITA WILLIAMSONCredential: D.D.S., PH.D
Location Address1851 MACGREGOR DOWNS RDGreenville, NC 27834-5925
Mailing Address322 Dental Science Bldg SIowa City, IA 52242-1001 · (319) 384-1139 · Fax (319) 353-4245
Sole ProprietorNo
Enumeration DateAugust 6, 2015
Last NPPES UpdateFebruary 1, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 1, 2023
NPI 1205212792 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · PeriodonticsDental Providers
Taxonomy Code1223P0300X
Licenses Licensed in NC · 0257 Licensed in IA · 40183
Definition

That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

1851 MACGREGOR DOWNS RD, Greenville, NC 27834

Other Identifiers 1

Other0257NC · Nc License

Accepted 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. Megumi Aita Williamson D.d.s., Ph.d 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.

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.

Student in an Organized Health Care Education/Training Program
1851 MACGREGOR DOWNS RD
GREENVILLE, NC 27834
Dentist (Oral and Maxillofacial Surgery)
1851 MACGREGOR DOWNS RD, OFFICE # 3111
GREENVILLE, NC 27834
Student in an Organized Health Care Education/Training Program
1851 MACGREGOR DOWNS RD
GREENVILLE, NC 27834
Student in an Organized Health Care Education/Training Program
1851 MACGREGOR DOWNS RD
GREENVILLE, NC 27834
Student in an Organized Health Care Education/Training Program
1851 MACGREGOR DOWNS RD
GREENVILLE, NC 27834
Student in an Organized Health Care Education/Training Program
1851 MACGREGOR DOWNS RD
GREENVILLE, NC 27834
Student in an Organized Health Care Education/Training Program
1851 MACGREGOR DOWNS RD
GREENVILLE, NC 27834
Student in an Organized Health Care Education/Training Program
1851 MACGREGOR DOWNS RD
GREENVILLE, NC 27834

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 Megumi Williamson's NPI number?

The NPI number for Megumi Williamson is 1205212792. It was assigned to this individual provider in the NPPES registry on August 6, 2015.

Where is Megumi Williamson located?

Megumi Williamson practices at 1851 Macgregor Downs Rd, Greenville, NC 27834. The listed phone number is (252) 737-7000.

What is Megumi Williamson's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

Is Megumi Williamson enrolled in Medicare?

Yes. Megumi Williamson is registered in the Medicare PECOS enrollment system.

What insurance does Megumi Williamson accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee, Anthem Blue Cross and Blue Shield and BEST Life and 12 other insurers list Megumi Williamson 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 Megumi Williamson was last updated on February 1, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.