Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM GRAY ACKERMAN D.M.D.
NPI 1689637910
Dentist - General Practice in Greenwood, SC

Q: What is William Ackerman's NPI number?

The NPI number for William Ackerman is 1689637910. It was assigned to this individual provider in the NPPES registry on April 8, 2006.

Q: What is William Ackerman's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for William Ackerman was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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 April 08, 2006

342 CALHOUN AVE, GREENWOOD, SC 29649(864) 229-7979 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. William Gray Ackerman D.m.d. NPPES

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

DR. WILLIAM GRAY ACKERMAN D.M.D. (NPI 1689637910) is an individual general practice provider in Greenwood, South Carolina, licensed in South Carolina (20040) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1689637910

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. WILLIAM GRAY ACKERMANCredential: D.M.D.

Location Address342 CALHOUN AVEGreenwood, SC 29649-2011

Mailing Address342 Calhoun AveGreenwood, SC 29649-2011 · (864) 229-7979

Phone(864) 229-7979

Sole ProprietorNo

Enumeration DateApril 8, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1689637910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in SC · 20040

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

342 CALHOUN AVE, Greenwood, SC 29649

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Other Identifiers 1

MedicaidZ20040SC

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. STEVE M ACKERMAN D.M.D.

Dentist (General Practice)

342 CALHOUN AVE
GREENWOOD, SC 29649

Greenwood County (864) 229-7979

WILSON HERBERT ACKERMAN DMD

Dentist

342 CALHOUN AVE
GREENWOOD, SC 29649

Greenwood County (864) 229-7979

STEVE M. ACKERMAN AND WILLIAM GRAY ACKERMAN, PTR

Dentist (General Practice)

342 CALHOUN AVE
GREENWOOD, SC 29649

Greenwood County (864) 229-7979

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 Ackerman's NPI number?

The NPI number for William Ackerman is 1689637910. It was assigned to this individual provider in the NPPES registry on April 8, 2006.

Where is William Ackerman located?

William Ackerman practices at 342 Calhoun Ave, Greenwood, SC 29649. The listed phone number is (864) 229-7979.

What is William Ackerman's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for William Ackerman was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.