John McMillen, D.D.S.
General Practice Dentistry · Sycamore, IL
John McMillen, D.D.S. is a general practice dentistry with a practice address in Sycamore, Illinois, and NPI 1730246646, issued on Jan 2, 2007. Check the license (Illinois 019021057, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John McMillen
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 019021057 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2550 Hauser Ross Dr, Sycamore, IL 60178
- Phone
- (815) 756-6626
- Enumerated
- Jan 2, 2007
- Record last updated
- Aug 27, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Also registered at 2550 Hauser Ross Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Magdalena Boba, MS, ANP-BCAdult Health Nurse Practitioner1356632475
Verify John McMillen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019021057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John McMillen among 5,276 general practice dentistry records in Illinois
John McMillen, 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 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 43% 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 updated2008 · 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).
12 general practice dentistry records list a practice address in Sycamore
They are 12 of the 549 NPPES records with a practice address in Sycamore, 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 Sycamore → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Anthony Chulick, DDSSycamore, IL 601781558400960
- Dennis Collins, D.D.S.Sycamore, IL 601781942420401
- Kay Currey, DDSSycamore, IL 601781295874600
- Bryce Deter, D.D.S.Sycamore, IL 601781104046689
- Heather Maulson-Breuer, D.M.DSycamore, IL 601781699717892
- Michael Neglia, DMDSycamore, IL 601781811336647
- Mark Sloan, D.D.SSycamore, IL 601781427169309
- Allison Sullivan, DMDSycamore, IL 601781639656788
Common questions
What is John McMillen, D.D.S.'s NPI number?
John McMillen, D.D.S.'s National Provider Identifier (NPI) is 1730246646, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John McMillen, D.D.S. located?
The NPPES record lists a practice address at 2550 Hauser Ross Dr, Sycamore, IL, 60178. Phone: (815) 756-6626. Providers update this record themselves, so call before visiting.
How can I verify John McMillen, D.D.S.'s license?
NPPES lists Illinois license number 019021057, as entered by the provider. 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.