NPPES file of Aug 9, 2026

Truman C. Johnson, DDS, MS

Periodontics · Cedar Rapids, IA

Truman C. Johnson, DDS, MS is a periodontics with a practice address in Cedar Rapids, Iowa, and NPI 1164609384, issued on Jan 30, 2008. Check the license (Iowa 7959, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164609384
Name
Truman C. Johnson
Credential
DDS, MS
Primary taxonomy
Periodontics 1223P0300X
License number
7959 IA
Self-reported in NPPES; status is on the state search
Practice location
3900 River Ridge Drive NE, Cedar Rapids, IA 52402
Phone
(319) 363-9880
Enumerated
Jan 30, 2008
Record last updated
Jun 27, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(319) 363-8386
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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Also registered at 3900 River Ridge Drive NE

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

  1. Lisa Wilcox, DDS MSEndodontics1770620130

Verify Truman C. 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 7959
    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
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59% fewer Medicare Part D claims than the average periodontics in 2024

114 Medicare Part D claims for 46 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.

  1. Truman Johnson114
  2. Specialty average277

Most prescribed

  1. Amoxicillin39 claims
  2. Chlorhexidine Gluconate33 claims
  3. Etodolac16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Truman C. Johnson among 49 periodontics records in Iowa

Truman C. Johnson, DDS, MS is one of 49 periodontics records with a practice address in Iowa. 47% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.

  • NPI issued2008 · 61% of these records are older, 27% newer
  • In a Medicare fileYes · 47% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2012 · 84% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Periodontics providers in Iowa

There are 49 periodontics records in Iowa.

The 8 periodontics records with the nearest ZIP codes

  1. Jerry Kaalberg, DDSCedar Rapids, IA 524021295902161
  2. Deena Kuempel, DDSCedar Rapids, IA 524021205942018
  3. Kenneth Eganhouse, D.D.S., M.S.Ottumwa, IA 525011386772085
  4. John Tingey, D.M.D.Iowa City, IA 522461992992291
  5. Phillip Lainson, DDSIowa City, IA 522451871686295
  6. Vrushali Abhyankar, MDSIowa City, IA 522421881029296
  7. Derek Borgwardt, D.D.S.Iowa City, IA 522421013166289
  8. Satheesh Elangovan, BDS., DSC., DMSCIowa City, IA 522421962660274

Common questions

What is Truman C. Johnson, DDS, MS's NPI number?

Truman C. Johnson, DDS, MS's National Provider Identifier (NPI) is 1164609384, issued on Jan 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Truman C. Johnson, DDS, MS located?

The NPPES record lists a practice address at 3900 River Ridge Drive NE, Cedar Rapids, IA, 52402. Phone: (319) 363-9880. Providers update this record themselves, so call before visiting.

How can I verify Truman C. Johnson, DDS, MS's license?

NPPES lists Iowa license number 7959, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Truman C. Johnson, DDS, MS prescribe under Medicare Part D?

In 2024, Truman C. Johnson, DDS, MS had 114 Medicare Part D claims for 46 beneficiaries; the average among periodontics prescribers was 277. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.