DR. WILLIAM THOMAS JOHNSON DDS MS
NPI 1477657161
Dentist - Endodontics in Iowa City, IA

Q: What is the provider's specialty?

The provider's specialty is Dentist with taxonomy code 1223E0200X and a focus in Endodontics.

Active since September 12, 2006

322 S DENTAL SCIENCE BLDG, IOWA CITY, IA 52242(319) 384-1139(319) 384-1785 Get Directions Write a Review

NPPES record last updated: May 7, 2013. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Table of Contents

NPI Profile Information
Primary Taxonomy
Insurance Plans Accepted
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Dentist
Endodontics

About WILLIAM JOHNSON

This page provides the complete NPI Profile along with additional information for William Johnson, a provider established in Iowa City, Iowa with a medical specialization in Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1477657161 assigned on September 2006. The practitioner's primary taxonomy code is 1223E0200X with license number 06063 (IA). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI: 1477657161 Verify this NPI
Provider Name: DR. WILLIAM THOMAS JOHNSON DDS MS
Gender: Male
Entity Type: Individual
Location Address: 322 S DENTAL SCIENCE BLDG IOWA CITY, IA 52242
Location Phone: (319) 384-1139
Location Fax: (319) 384-1785
Mailing Address: 257 S DENTAL SCIENCE BLDG IOWA CITY, IA 52242
Mailing Phone: (319) 335-7431
Mailing Fax: (319) 335-7155
Is Sole Proprietor?: No
Enumeration Date: 09-12-2006
Last Update Date: 05-07-2013
Code Navigator

A dentist like William Johnson is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification: Dentist Endodontics
Taxonomy Code: 1223E0200X
Type: Dental Providers
License No.: 06063
License State: IA
Taxonomy Description: The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Medicare

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Medicaid

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier	Type / Code	Identifier State	Identifier Issuer
1077396	MEDICAID (05)	IA