NPPES file of Aug 9, 2026

Sophia Ringsdorf Campbell, DDS

General Practice Dentistry · Oskaloosa, IA

Sophia Ringsdorf Campbell, DDS is a general practice dentistry with a practice address in Oskaloosa, Iowa, and NPI 1598282154, issued on Aug 24, 2017. Check the license (Iowa DDS-09860, 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
1598282154
Name
Sophia Ringsdorf Campbell
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
DDS-09860 IA
D13904 MN
Self-reported in NPPES; status is on the state search
Practice location
2335 Highway 92, Oskaloosa, IA 52577
Phone
(641) 673-8455
Enumerated
Aug 24, 2017
Record last updated
Apr 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(641) 673-9460
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 general practice dentistry records → All 1,239 in Iowa → Look up another NPI →

Also registered at 2335 Highway 92

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

  1. Kyle Ford, DDSDentist1376036210
  2. Staci Friese, DDSDentist1780090563

Verify Sophia Ringsdorf Campbell 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 DDS-09860    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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40% fewer Medicare Part D claims than the average general practice dentistry in 2024

50 Medicare Part D claims for 35 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Sophia Campbell50
  2. Specialty average83

Most prescribed

  1. Amoxicillin13 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.

Sophia Ringsdorf Campbell among 1,239 general practice dentistry records in Iowa

Sophia Ringsdorf Campbell, DDS is one of 1,239 general practice dentistry 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. Its NPI, issued in 2017, is newer than 79% of them.

  • NPI issued2017 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2021 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Dentistry providers in Iowa

There are 1,239 general practice dentistry records in Iowa.

All 1,239 in Iowa → Every provider in Oskaloosa → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Eric De Boef, D.D.S.Oskaloosa, IA 525771619058427
  2. Jacob InghramOskaloosa, IA 525771609730316
  3. Shilo Hilger, DDSRichland, IA 525851326195389
  4. Charles Handy, D.D.SKeosauqua, IA 525651356325864
  5. Martin Gleason, D.M.D.Fairfield, IA 525561659310803
  6. Matthew Holt, D.D.S.Fairfield, IA 525561972942662
  7. Gary Roth, D.D.S.Fairfield, IA 525561669555611
  8. John Tower, DDSFairfield, IA 525561467671487

Common questions

What is Sophia Ringsdorf Campbell, DDS's NPI number?

Sophia Ringsdorf Campbell, DDS's National Provider Identifier (NPI) is 1598282154, issued on Aug 24, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sophia Ringsdorf Campbell, DDS located?

The NPPES record lists a practice address at 2335 Highway 92, Oskaloosa, IA, 52577. Phone: (641) 673-8455. Providers update this record themselves, so call before visiting.

How can I verify Sophia Ringsdorf Campbell, DDS's license?

NPPES lists Iowa license number DDS-09860, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Sophia Ringsdorf Campbell, DDS prescribe under Medicare Part D?

In 2024, Sophia Ringsdorf Campbell, DDS had 50 Medicare Part D claims for 35 beneficiaries; the average among general practice dentistry prescribers was 83. 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.

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.