NPPES file of Aug 9, 2026

William Thomas Johnson, DDS MS

Endodontics · Iowa City, IA

William Thomas Johnson, DDS MS is an endodontics with a practice address in Iowa City, Iowa, and NPI 1477657161, issued on Sep 12, 2006. Check the license (Iowa 06063, as entered in NPPES) with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477657161
Name
William Thomas Johnson
Credential
DDS MS
Primary taxonomy
Endodontics 1223E0200X
License number
06063 IA
Self-reported in NPPES; status is on the state search
Practice location
322 S Dental Science Bldg, Iowa City, IA 52242
Phone
(319) 384-1139
Enumerated
Sep 12, 2006
Record last updated
May 7, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(319) 384-1785
Medicaid ID
1077396 IA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest endodontics records → All 54 in Iowa → Look up another NPI →

Also registered at 322 S Dental Science Bldg

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Aquilino, DDS MSProsthodontics1780788786
  2. Steven Armstrong, DDS PHDGeneral Practice Dentistry1598869505
  3. Marie Eve Asselin, DMD MSC FRCDCOral and Maxillofacial Pathology Dentistry1275732968
  4. Murray Bouschlicher, DDSDentist1750485769
  5. John Casko, DDS MA PHDOrthodontics and Dentofacial Orthopedics Dentistry1538263538
  6. Yvonne Chalkley, DDSGeneral Practice Dentistry1083718084

Verify William Thomas Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 06063    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Iowa license search

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William Thomas Johnson among 54 endodontics records in Iowa

William Thomas Johnson, DDS MS is one of 54 endodontics records with a practice address in Iowa. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 78% newer
  • In a Medicare fileNo · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2013 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Iowa

There are 54 endodontics records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 54 in Iowa → Every provider in Iowa City → Endodontics nationwide →

The 8 endodontics records with the nearest ZIP codes

  1. John Carroll, D.D.S.Iowa City, IA 522421437483609
  2. Rene Chu, DMDIowa City, IA 522421407130420
  3. Alexandra Glinos, DDSIowa City, IA 522421104555614
  4. Manuel Gomez, DDSIowa City, IA 522421417051418
  5. T Green, DMDIowa City, IA 522421427360015
  6. Christopher Hogden, DDSIowa City, IA 522421275099756
  7. Lauren Jensen, D.D.S.Iowa City, IA 522421629484613
  8. Bruce Justman, DDSIowa City, IA 522421639273329

Common questions

What is William Thomas Johnson, DDS MS's NPI number?

William Thomas Johnson, DDS MS's National Provider Identifier (NPI) is 1477657161, issued on Sep 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Thomas Johnson, DDS MS located?

The NPPES record lists a practice address at 322 S Dental Science Bldg, Iowa City, IA, 52242. Phone: (319) 384-1139. Providers update this record themselves, so call before visiting.

How can I verify William Thomas Johnson, DDS MS's license?

NPPES lists Iowa license number 06063, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.