Douglas R. Colthurst, D.D.S.
General Practice Dentistry · McHenry, IL
Douglas R. Colthurst, D.D.S. is a general practice dentistry with a practice address in McHenry, Illinois, and NPI 1942213707, issued on Aug 14, 2006. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Douglas R. Colthurst
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- Practice location
- 3420 W Elm St, McHenry, IL 60050
- Phone
- (815) 344-0453
- Enumerated
- Aug 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (815) 344-3588
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Also registered at 3420 W Elm St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mustafa Obaidi, DMDDentist1043669419
Verify Douglas R. Colthurst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Douglas R. Colthurst among 5,276 general practice dentistry records in Illinois
Douglas R. Colthurst, D.D.S. 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 not. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 68% newer
- In a Medicare fileNo · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 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).
17 general practice dentistry records list a practice address in McHenry
They are 17 of the 1,852 NPPES records with a practice address in McHenry, and 5,276 general practice dentistry records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,276 in Illinois → Every provider in McHenry → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Alexey Botian, DDSMcHenry, IL 600501639365406
- Gregory Cannizzo, D.D.SMcHenry, IL 600501194755389
- Frank Conti Mica, DMDMcHenry, IL 600501386215937
- Sadaf Fadakar, DDSMcHenry, IL 600501720888795
- Thomas Frymark, DDSJohnsburg, IL 600501003813684
- James Lynott, D.D.S.McHenry, IL 600501972673853
- Conrad Mazeski, DDSJohnsburg, IL 600501801079090
- Frank Nustra, DDSMcHenry, IL 600501205099140
Common questions
What is Douglas R. Colthurst, D.D.S.'s NPI number?
Douglas R. Colthurst, D.D.S.'s National Provider Identifier (NPI) is 1942213707, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas R. Colthurst, D.D.S. located?
The NPPES record lists a practice address at 3420 W Elm St, McHenry, IL, 60050. Phone: (815) 344-0453. Providers update this record themselves, so call before visiting.
How can I verify Douglas R. Colthurst, D.D.S.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. 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.