James B. Kowalczyk
Dentist · Round Lake Beach, IL
James B. Kowalczyk is a dentist with a practice address in Round Lake Beach, Illinois, and NPI 1093973935, issued on May 28, 2008. Check the license (Illinois 019015397, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James B. Kowalczyk
- Primary taxonomy
- Dentist 122300000X
- License number
- 019015397 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1016 N Lake Shore Dr, Round Lake Beach, IL 60073
- Phone
- (847) 546-4725
- Enumerated
- May 28, 2008
- Record last updated
- May 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (847) 546-4850
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Verify James B. Kowalczyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019015397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average dentist in 2024
255 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Duloxetine Hcl72 claims
- Fluoxetine Hcl46 claims
- Amlodipine Besylate23 claims
- Levothyroxine Sodium23 claims
- Montelukast Sodium23 claims
- Omeprazole23 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 B. Kowalczyk among 4,522 dentist records in Illinois
James B. Kowalczyk 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 2008, is newer than 38% of them.
- NPI issued2008 · 38% of these records are older, 54% 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 updated2008 · 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).
9 dentist records list a practice address in Round Lake Beach
They are 9 of the 98 NPPES records with a practice address in Round Lake Beach, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Round Lake Beach → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Noor Aljanabi, DMDRound Lake Beach, IL 600731518892587
- Bruce Bennett, D.D.S.Round Lake Beach, IL 600731669486049
- David Canty, DMDRound Lake Beach, IL 600731770894792
- Marinela Dilo, DMDRound Lake, IL 600731497377121
- Rachel Goldberg, DMDRound Lake Beach, IL 600731700285079
- Harini KatakamsettiRound Lake Beach, IL 600731992240030
- Debbie Rhie, DMDRound Lake Beach, IL 600731245722040
- Lucy Shah, DDSRound Lake, IL 600731295046118
Common questions
What is James B. Kowalczyk's NPI number?
James B. Kowalczyk's National Provider Identifier (NPI) is 1093973935, issued on May 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is James B. Kowalczyk located?
The NPPES record lists a practice address at 1016 N Lake Shore Dr, Round Lake Beach, IL, 60073. Phone: (847) 546-4725. Providers update this record themselves, so call before visiting.
How can I verify James B. Kowalczyk's license?
NPPES lists Illinois license number 019015397, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does James B. Kowalczyk prescribe under Medicare Part D?
In 2024, James B. Kowalczyk had 255 Medicare Part D claims; 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.