NPPES file of Aug 9, 2026

James Rudolph Chapko, DDS

Dentist · Belvidere, IL

James Rudolph Chapko, DDS is a dentist with a practice address in Belvidere, Illinois, and NPI 1912120981, issued on Apr 10, 2007. Check the license with the Illinois 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
1912120981
Name
James Rudolph Chapko
Credential
DDS
Primary taxonomy
Dentist 122300000X
Practice location
140 N State St, Belvidere, IL 61008
Phone
(815) 544-5144
Enumerated
Apr 10, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(815) 544-5161
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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Verify James Rudolph Chapko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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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57% more Medicare Part D claims than the average dentist in 2024

135 Medicare Part D claims for 68 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. James Chapko135
  2. Specialty average86

Most prescribed

  1. Amoxicillin39 claims
  2. Penicillin V Potassium31 claims
  3. Ibuprofen22 claims
  4. Hydrocodone-Acetaminophen19 claims
  5. Clindamycin Hcl13 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.

Industry payments in 2024: $222.47

7 payments; by number, the most common kind was food and beverage; the largest payer was BioHorizons Implant Systems Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Chapko$222.47
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

James Rudolph Chapko among 4,522 dentist records in Illinois

James Rudolph Chapko, DDS is one of 4,522 dentist records with a practice address in Illinois. 64% 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 19% of them.

  • NPI issued2007 · 19% of these records are older, 62% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 dentist records list a practice address in Belvidere

They are 10 of the 194 NPPES records with a practice address in Belvidere, and 4,522 dentist records in Illinois.

The 8 dentist records with the nearest ZIP codes

  1. Ali Ahmed, DDSBelvidere, IL 610081437031226
  2. Ronald Conder, DDSBelvidere, IL 610081790899730
  3. Mohammad Dogar, D.M.DBelvidere, IL 610081639610678
  4. Dale Drake, DENTIST DDSBelvidere, IL 610081225200892
  5. Elaine Drake, DDSBelvidere, IL 610081225200579
  6. Mohit Joshi, D.D.S.Belvidere, IL 610081952423402
  7. Evan Short, DDSBelvidere, IL 610081861558652
  8. Himanshi Thakkar, D.D.S.Belvidere, IL 610081356461255

Common questions

What is James Rudolph Chapko, DDS's NPI number?

James Rudolph Chapko, DDS's National Provider Identifier (NPI) is 1912120981, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James Rudolph Chapko, DDS located?

The NPPES record lists a practice address at 140 N State St, Belvidere, IL, 61008. Phone: (815) 544-5144. Providers update this record themselves, so call before visiting.

How can I verify James Rudolph Chapko, DDS's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does James Rudolph Chapko, DDS prescribe under Medicare Part D?

In 2024, James Rudolph Chapko, DDS had 135 Medicare Part D claims for 68 beneficiaries; the average among dentist prescribers was 86. 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.