DR. WILLIAM NELSON CASTLE D.D.S.
NPI 1699892919
Dentist - General Practice in Memphis, TN

Active since March 23, 2007PECOS Enrolled
79 N COOPER ST, MEMPHIS, TN 38104(901) 685-5008(901) 685-5015 Get Directions Write a Review

NPPES record last updated: May 21, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Nelson Castle D.d.s. NPPES

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

DR. WILLIAM NELSON CASTLE D.D.S. (NPI 1699892919) is an individual general practice provider in Memphis, Tennessee, licensed in Tennessee (DS 5412) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699892919
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. WILLIAM NELSON CASTLECredential: D.D.S.
Location Address79 N COOPER STMemphis, TN 38104-2812
Mailing Address79 N Cooper StMemphis, TN 38104-2812 · (901) 685-5008 · Fax (901) 685-5015
Fax(901) 685-5015
Sole ProprietorNo
Enumeration DateMarch 23, 2007
Last NPPES UpdateMay 21, 2015
NPI 1699892919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in TN · DS 5412
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.
79 N COOPER ST, Memphis, TN 38104

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. William Nelson Castle D.d.s. 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 38104 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
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
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

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

Dentist (General Practice)
79 N COOPER ST
MEMPHIS, TN 38104

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 Castle's NPI number?

The NPI number for William Castle is 1699892919. It was assigned to this individual provider in the NPPES registry on March 23, 2007.

Where is William Castle located?

William Castle practices at 79 N Cooper St, Memphis, TN 38104. The listed phone number is (901) 685-5008.

What is William Castle's specialty?

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

Is William Castle enrolled in Medicare?

Yes. William Castle is registered in the Medicare PECOS enrollment system.

What insurance does William Castle accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 8 other insurers list William Castle 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 William Castle was last updated on May 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.