John G. Hartmann, DDS
- Part D claims, 2024
- 44
- Industry payments
- $91
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 7700 W Madison St, River Forest, IL 60305
- Practice phone
- Call (708) 366-6760
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John G Hartmann
Dental practice · River Forest, Illinois
Find John Hartmann's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John G. Hartmann is a general practice dentistry in River Forest, Illinois
John Hartmann practices at John G Hartmann in River Forest, Illinois.
John Hartmann's NPI, 1720167539, was assigned on November 3, 2006.
- NPI
- 1720167539NPI Registry (opens in a new tab)
- NPI enumeration date
- November 3, 2006
- NPI status
- Active
- Practice phone
- (708) 366-6760
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John G. Hartmann practices at John G Hartmann in River Forest, Illinois
John Hartmann's primary practice is John G Hartmann, at 7700 W Madison St, River Forest, IL 60305. The practice phone is (708) 366-6760.
- John G Hartmann7700 W Madison St, River Forest, IL 60305Phone(708) 366-6760
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John G. Hartmann is affiliated with 2 sites of care and 2 medical groups
John Hartmann's primary practice is John G Hartmann in River Forest, Illinois. Dmand AI also links John Hartmann to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John G. Hartmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Hartmann practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John G Hartmann | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John G. Hartmann is one of 2,353 general practice dentistrys in Illinois
General practice is John Hartmann's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. John Hartmann has a license on file in Illinois.
Specialties and state licenses
- General practice dentistry, Illinois
General practice dentistrys near John Hartmann
Counts of general practice dentistrys with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John G. Hartmann wrote 44 Medicare Part D claims in 2024
In 2024, John Hartmann wrote 44 Medicare Part D claims for 29 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in John Hartmann's Part D claims, 2024
- Antibiotics95%42 of 44 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
John G. Hartmann received $91 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Hartmann from 1 drug or device company in 2025. Gifts make up the largest share, 100% of the total. A-dec, Inc. paid the most, $91.
Companies that paid John Hartmann the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John G. Hartmann's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John G. Hartmann
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John G. Hartmann's NPI number?
John G. Hartmann's NPI number is 1720167539. It was assigned on November 3, 2006, and it is active in the NPI Registry.
What does John G. Hartmann specialize in?
John G. Hartmann is a general practice dentistry in River Forest, Illinois. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does John G. Hartmann practice?
John Hartmann practices at 7700 W Madison St, River Forest, IL 60305. John Hartmann's primary practice is John G Hartmann in River Forest, Illinois. Dmand AI also links John Hartmann to 2 medical groups and 1 group practice or clinic.
What is John G. Hartmann's office phone number?
The practice phone on file for John Hartmann is (708) 366-6760.
Has John G. Hartmann received payments from drug or device companies?
CMS Open Payments shows $91 in general payments to John Hartmann from 1 company from 2025 to 2025. The largest total came from A-dec, Inc.
How long has John G. Hartmann been practicing?
John Hartmann's NPI was assigned in 2006.
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