Dr. John M Hagopian , DDS
Dentist - General Practice β’ Glenview, IL
324 Waukegan Rd
Glenview, IL 600255161
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
324 Waukegan Rd
Glenview, IL 600255161
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Dentist - General Practice: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $62.50 in 2025
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2025.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Glenview and Illinois
58 active clinicians are listed under Dentist - General Practice with a practice address in Glenview, IL (5,281 in Illinois).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Glenview
0% of these 58 clinicians have the CMS telehealth indicator.
0% of these 58 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
-
Industry payments (Open Payments)
Industry payments (Open Payments) went from $12.20 in 2019 to $62.50 in 2025.
- 2019: $12.20
- 2024: $63.83
- 2025: $62.50
Sources: CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 β December 31, 2025): fewer than 11 records totaling $62.50.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| ZIMVIE INC. |
Food and Beverage
In-kind items and services
|
T3 | General | $62.50 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2024-11-05NUCC Taxonomy Code: 1223G0001X
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 324 WAUKEGAN RD, GLENVIEW, IL 600255161 (Tel: 8476927760)
Registered at 324 WAUKEGAN RD, GLENVIEW, IL 600255161 (Tel: 8476927760)
NPI status registered as active in NPPES database
Registered at 101 S WASHINGTON AVE, SUITE 302, PARK RIDGE, IL 600684200 (Tel: 8476927760)
Registered at 101 S WASHINGTON AVE, SUITE 302, PARK RIDGE, IL 600684200 (Tel: 8476927760)
Recorded as JOHN HAGOPIAN, D.D.S.
Dentist (license number reported to NPPES: IL 019018068)
NPI status registered as active in NPPES database
Registered at 9101 N GREENWOOD AVE, SUITE 302, NILES, IL 607141499 (Tel: 8472964030)
Registered at 9101 N GREENWOOD AVE, SUITE 302, NILES, IL 607141499 (Tel: 8472964030)
Recorded as JOHN HAGOPIAN, D.D.S.
Dentist
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Dentist - General Practices in Glenview
- Dr. Sunil Philip, DMD
- Dr. Paulina Erdle, DMD
- Dr. Robert Roiter, DDS
- Dr. Evelyn Kidonakis, DDS
- Dr. Jeanette Jensen, DDS
- Dr. Ali Nematollahi, DDS
Mailing Address
324 Waukegan Rd
Glenview, IL 600255161
Phone: 8476927760