Dr. Gary John Keller, DO
- Part D claims, 2021
- 12
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 2301 Highway 71, Spirit Lake, IA 51360
- Practice phone
- Call (712) 336-1230
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Keller'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. Gary John Keller is a psychiatrist in Spirit Lake, Iowa
Dr. Keller practices at Lakes Regional Healthcare in Spirit Lake, Iowa, part of Lakes Regional Healthcare.
Dr. Keller's NPI, 1821170473, was assigned on October 20, 2006. Dr. Keller holds Iowa license 3844.
- NPI
- 1821170473NPI Registry (opens in a new tab)
- NPI enumeration date
- October 20, 2006
- NPI status
- Active
- Practice phone
- (712) 336-1230
- 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. Gary John Keller practices at Lakes Regional Healthcare in Spirit Lake, Iowa
Dr. Keller's primary practice is Lakes Regional Healthcare, at 2301 Highway 71, Spirit Lake, IA 51360 in Dickinson County. The practice phone is (712) 336-1230.
- Lakes Regional Healthcare2301 Highway 71, Spirit Lake, IA 51360 · Dickinson CountyPhone(712) 336-1230
Source: Dmand AI Affiliation Data
Dr. Gary John Keller is affiliated with 1 site of care
Dr. Keller's primary practice is Lakes Regional Healthcare in Spirit Lake, Iowa, part of Lakes Regional Healthcare.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary John Keller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keller practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lakes Regional Healthcare | 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 Lakes Regional Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gary John Keller is one of 276 psychiatrists in Iowa
Psychiatry is Dr. Keller's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Keller is licensed in Iowa.
Specialties and state licenses
- Psychiatry, IowaPrimary
Psychiatrists near Dr. Keller
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. Gary John Keller's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Keller's median patient age at 44, with 0% women.
Dr. Keller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Gary John Keller wrote 12 Medicare Part D claims in 2021
In 2021, Dr. Keller wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $132 in total drug cost.
Dr. Keller's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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. Gary John Keller'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) |
| 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. Gary John Keller
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. Gary John Keller's NPI number?
Dr. Gary John Keller's NPI number is 1821170473. It was assigned on October 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary John Keller?
Dr. Gary John Keller is a psychiatrist in Spirit Lake, Iowa. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Gary John Keller practice?
Dr. Keller practices at 2301 Highway 71, Spirit Lake, IA 51360. Dr. Keller's primary practice is Lakes Regional Healthcare in Spirit Lake, Iowa, part of Lakes Regional Healthcare.
What is Dr. Gary John Keller's office phone number?
The practice phone on file for Dr. Keller is (712) 336-1230.
What is Dr. Gary John Keller's medical license number?
Dr. Keller holds Iowa license 3844.
Which hospitals is Dr. Gary John Keller affiliated with?
Dr. Keller practices at Lakes Regional Healthcare in Spirit Lake, Iowa.
What drugs does Dr. Gary John Keller prescribe most?
In 2021 Medicare Part D data, Dr. Keller's most prescribed drugs by claims were Risperidone.
How long has Dr. Gary John Keller been practicing?
Dr. Keller's NPI was assigned in 2006.
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