Garrett David Gast, DDS
- Part D claims, 2024
- 155
- Industry payments
- $20
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 3
- Practice address
- 3435 W Irving Park Rd, Chicago, IL 60618-3217
- Practice phone
- Call (773) 588-8200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Irving Park Family Dentist
Dental practice · Chicago, Illinois
Find Garrett Gast'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.
Garrett David Gast is a dentist in Chicago, Illinois
Garrett Gast practices at Irving Park Family Dentist in Chicago, Illinois.
Garrett Gast's NPI, 1154595379, was assigned on April 18, 2008. Garrett Gast holds Kentucky license 9844.
- NPI
- 1154595379NPI Registry (opens in a new tab)
- NPI enumeration date
- April 18, 2008
- NPI status
- Active
- Practice phone
- (773) 588-8200
- 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)
Garrett David Gast practices at Irving Park Family Dentist in Chicago, Illinois
Garrett Gast's primary practice is Irving Park Family Dentist, at 3435 W Irving Park Rd, Chicago, IL 60618-3217. The practice phone is (773) 588-8200.
- Irving Park Family Dentist3435 W Irving Park Rd, Chicago, IL 60618-3217Phone(773) 588-8200
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Garrett David Gast is affiliated with 1 site of care and 1 medical group
Garrett Gast's primary practice is Irving Park Family Dentist in Chicago, Illinois. Dmand AI also links Garrett Gast to 1 medical group, 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 Garrett David Gast's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Garrett Gast practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Irving Park Family Dentist | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Garrett David Gast is one of 1,844 dentists in Illinois
Dentist is Garrett Gast's primary specialty in the NPI Registry, under taxonomy code 122300000X. Dmand AI has Garrett Gast's licenses on file in 3 states: Kentucky, California and Illinois.
Specialties and state licenses
- Dentist, KentuckyPrimary
- California license
- Illinois license
Dentists near Garrett Gast
Counts of dentists 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
Garrett David Gast wrote 155 Medicare Part D claims in 2024
In 2024, Garrett Gast wrote 155 Medicare Part D claims for 87 patients. 99% of them were for generic drugs.
Garrett Gast's Part D claims by kind of drug, 2024
- Generic153 claims99%
- Brand-name and other2 claims1%
Drug classes CMS tracks in Garrett Gast's Part D claims, 2024
- Opioids23%35 of 155 claims
- Antibiotics63%97 of 155 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.
Garrett David Gast received $20 in industry payments in 2025
CMS Open Payments shows 1 general payment to Garrett Gast from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Envista Holdings Corporation paid the most, $20.
Companies that paid Garrett Gast 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 Garrett David Gast'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 Garrett David Gast
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Garrett David Gast's NPI number?
Garrett David Gast's NPI number is 1154595379. It was assigned on April 18, 2008, and it is active in the NPI Registry.
What does Garrett David Gast specialize in?
Garrett David Gast is a dentist in Chicago, Illinois. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Garrett David Gast practice?
Garrett Gast practices at 3435 W Irving Park Rd, Chicago, IL 60618-3217. Garrett Gast's primary practice is Irving Park Family Dentist in Chicago, Illinois. Dmand AI also links Garrett Gast to 1 medical group.
What is Garrett David Gast's office phone number?
The practice phone on file for Garrett Gast is (773) 588-8200.
What is Garrett David Gast's medical license number?
Garrett Gast holds Kentucky license 9844, one of the licenses on file in 3 states.
Which states has Garrett David Gast been licensed in?
Dmand AI has state licenses on file for Garrett Gast in Kentucky, California and Illinois.
Has Garrett David Gast received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Garrett Gast from 1 company from 2025 to 2025. The largest total came from Envista Holdings Corporation.
How long has Garrett David Gast been practicing?
Garrett Gast's NPI was assigned in 2008.
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