NPPES file of Aug 9, 2026

James J. Rezac, D.D.S

General Practice Dentistry · Ogallala, NE

James J. Rezac, D.D.S is a general practice dentistry with a practice address in Ogallala, Nebraska, and NPI 1861602385, issued on May 23, 2007. Check the license (Nebraska 6112, as entered in NPPES) with the Nebraska 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
1861602385
Name
James J. Rezac
Credential
D.D.S
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
6112 NE
Self-reported in NPPES; status is on the state search
Practice location
810 W C St, Ogallala, NE 69153
Phone
(308) 284-4722
Enumerated
May 23, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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.
Download card Updates feed

Verify James J. Rezac in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Nebraska board licenses this profession
    Search for license 6112
    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 Nebraska license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

3.3 times the Medicare Part D claims of the average general practice dentistry in 2024

276 Medicare Part D claims for 148 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. 31 claims were for opioids.

  1. James Rezac276
  2. Specialty average83

Most prescribed

  1. Penicillin V Potassium94 claims
  2. Amoxicillin83 claims
  3. Cephalexin25 claims
  4. Hydrocodone-Acetaminophen23 claims
  5. Clindamycin Hcl20 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.

James J. Rezac among 783 general practice dentistry records in Nebraska

James J. Rezac, D.D.S is one of 783 general practice dentistry records with a practice address in Nebraska. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 42% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 64% 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 Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 general practice dentistry records list a practice address in Ogallala

They are 3 of the 123 NPPES records with a practice address in Ogallala, and 783 general practice dentistry records in Nebraska.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Michael Knott, DDS PCOgallala, NE 691531851380554
  2. Scott Weber, DDSOgallala, NE 691531336156033
  3. Adrian Fuss, DDSKimball, NE 691451780932897
  4. Leasa Dornbier, DDSSidney, NE 691621891996633
  5. William PrintzSidney, NE 691621417034885
  6. James Graff, D.D.S.Gothenburg, NE 691381497889877
  7. Timothy Davis, D.D.S.Cozad, NE 691301952491607
  8. Ashton Hecox, D.D.S.Cozad, NE 691301932462223

Common questions

What is James J. Rezac, D.D.S's NPI number?

James J. Rezac, D.D.S's National Provider Identifier (NPI) is 1861602385, issued on May 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James J. Rezac, D.D.S located?

The NPPES record lists a practice address at 810 W C St, Ogallala, NE, 69153. Phone: (308) 284-4722. Providers update this record themselves, so call before visiting.

How can I verify James J. Rezac, D.D.S's license?

NPPES lists Nebraska license number 6112, as entered by the provider. Search the Nebraska board that licenses this profession; the NPPES record confirms identity only.

How much does James J. Rezac, D.D.S prescribe under Medicare Part D?

In 2024, James J. Rezac, D.D.S had 276 Medicare Part D claims for 148 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.

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.