William Kreifels, DDS
General Practice Dentistry · Orland Park, IL
William Kreifels, DDS is a general practice dentistry with a practice address in Orland Park, Illinois, and NPI 1962865022, issued on Apr 5, 2016. Check the license (Illinois 019031369, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Kreifels
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 019031369 IL
Self-reported in NPPES; status is on the state search - Practice location
- 15894 S LA Grange RD, Orland Park, IL 60467
- Phone
- (773) 242-6401
- Enumerated
- Apr 5, 2016
- Record last updated
- Jul 21, 2022
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Also registered at 15894 S LA Grange RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Bales, D.M.D.Dentist1205678075
- Dana Lababidi, DDSGeneral Practice Dentistry1790423374
- Maja Slowik, DMDGeneral Practice Dentistry1427602309
- Badia Zahdan, DDSGeneral Practice Dentistry1437683117
Verify William Kreifels in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019031369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average general practice dentistry in 2024
204 Medicare Part D claims for 145 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin96 claims
- Ibuprofen55 claims
- Chlorhexidine Gluconate25 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: $27.48
1 payment: food and beverage; the largest payer was Voco America Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Kreifels among 5,276 general practice dentistry records in Illinois
William Kreifels, DDS is one of 5,276 general practice dentistry 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 2016, is newer than 76% of them.
- NPI issued2016 · 76% of these records are older, 22% 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 updated2022 · 75% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 general practice dentistry records list a practice address in Orland Park
They are 67 of the 1,925 NPPES records with a practice address in Orland Park, and 5,276 general practice dentistry records in Illinois.
All 5,276 in Illinois → Every provider in Orland Park → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Sawsan Asfour, DDSOrland Park, IL 604671558412106
- William Bennett, D.D.S.Orland Park, IL 604671750386504
- Rebecca Bosack, D.D.S.Orland Park, IL 604671194953265
- John Bova, D.D.S., P.C.Orland Park, IL 604671891906285
- Dalia Cepele, D.D.S.Orland Park, IL 604671538260435
- Kenneth Coffey, DDSOrland Park, IL 604671487727608
- Anne Gaffney, D.D.S.Orland Park, IL 604671003168758
- Terrence Graff, D.D.S.Orland Park, IL 604671568539526
Common questions
What is William Kreifels, DDS's NPI number?
William Kreifels, DDS's National Provider Identifier (NPI) is 1962865022, issued on Apr 5, 2016. An NPI identifies a provider in billing; it is not a license.
Where is William Kreifels, DDS located?
The NPPES record lists a practice address at 15894 S LA Grange RD, Orland Park, IL, 60467. Phone: (773) 242-6401. Providers update this record themselves, so call before visiting.
How can I verify William Kreifels, DDS's license?
NPPES lists Illinois license number 019031369, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does William Kreifels, DDS prescribe under Medicare Part D?
In 2024, William Kreifels, DDS had 204 Medicare Part D claims for 145 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.