Dr. John Vincent Gillilan, MD
- Part D claims, 2024
- 483
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1025 W Everett Rd, Lake Forest, IL 60045
- Practice phone
- Call (847) 234-7950
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lake Forest Acute Care
Urgent Care Center · Lake Forest, Illinois
Find Dr. Gillilan'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.
Dr. John Vincent Gillilan is a psychiatrist in Lake Forest, Illinois
Dr. Gillilan practices at Lake Forest Acute Care in Lake Forest, Illinois.
Dr. Gillilan's NPI, 1437104981, was assigned on May 23, 2006.
- NPI
- 1437104981NPI Registry (opens in a new tab)
- NPI enumeration date
- May 23, 2006
- NPI status
- Active
- Practice phone
- (847) 234-7950
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Vincent Gillilan practices at Lake Forest Acute Care in Lake Forest, Illinois
Dr. Gillilan's primary practice is Lake Forest Acute Care, at 1025 W Everett Rd, Lake Forest, IL 60045. The practice phone is (847) 234-7950.
- Lake Forest Acute Care1025 W Everett Rd, Lake Forest, IL 60045Phone(847) 234-7950
Source: Dmand AI Affiliation Data
Dr. John Vincent Gillilan is affiliated with 2 sites of care and 1 medical group
Dr. Gillilan's primary practice is Lake Forest Acute Care in Lake Forest, Illinois. Dmand AI also links Dr. Gillilan to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Vincent Gillilan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gillilan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lake Forest Acute Care | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Vincent Gillilan is one of 1,527 psychiatrists in Illinois
Psychiatry is Dr. Gillilan's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Gillilan has a license on file in Illinois.
Specialties and state licenses
- Psychiatry, Illinois
Psychiatrists near Dr. Gillilan
Counts of psychiatrists 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
Dr. John Vincent Gillilan's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Gillilan's median patient age at 56, with 33% women.
Dr. Gillilan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. John Vincent Gillilan wrote 483 Medicare Part D claims in 2024
In 2024, Dr. Gillilan wrote 483 Medicare Part D claims for 77 patients. 95% of them were for generic drugs. CMS names the drug for 390 of them, across 14 drugs with 11 or more claims each, at $6,436 in total drug cost. In 2023, CMS named 525 claims across 18 drugs.
Dr. Gillilan's Part D claims by kind of drug, 2024
- Generic460 claims95%
- Brand-name23 claims5%
Dr. Gillilan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5252024: 39026%
Drugs named by CMS: 14 in 2024, 18 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and 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.
Sources for Dr. John Vincent Gillilan'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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 Dr. John Vincent Gillilan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Vincent Gillilan's NPI number?
Dr. John Vincent Gillilan's NPI number is 1437104981. It was assigned on May 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Vincent Gillilan?
Dr. John Vincent Gillilan is a psychiatrist in Lake Forest, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John Vincent Gillilan practice?
Dr. Gillilan practices at 1025 W Everett Rd, Lake Forest, IL 60045. Dr. Gillilan's primary practice is Lake Forest Acute Care in Lake Forest, Illinois. Dmand AI also links Dr. Gillilan to 1 group practice or clinic and 1 medical group.
What is Dr. John Vincent Gillilan's office phone number?
The practice phone on file for Dr. Gillilan is (847) 234-7950.
What drugs does Dr. John Vincent Gillilan prescribe most?
In 2024 Medicare Part D data, Dr. Gillilan's most prescribed drugs by claims were Alprazolam, Lorazepam and Fluoxetine HCl.
How long has Dr. John Vincent Gillilan been practicing?
Dr. Gillilan's NPI was assigned in 2006.
Selling to psychiatry practices?
See psychiatrists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card