Dr. Gregory Lynn Keller, DO
- Hospital affiliations
- 2
- Industry payments
- $26
- Medical groups
- 3
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 812 N 22nd St, Blair, NE 68008
- Practice phone
- Call (402) 426-4611
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Blair Clinic
Blair, Nebraska
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. Gregory Lynn Keller is a psychiatrist in Blair, Nebraska
Dr. Keller practices at Blair Clinic in Blair, Nebraska.
Dr. Keller's NPI, 1649385287, was assigned on August 21, 2006. Dr. Keller graduated from University of Kansas School of Med (KC/Wich/Sal) in 2004. Dr. Keller holds Iowa license 3716.
- NPI
- 1649385287NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820285760
- NPI enumeration date
- August 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (402) 426-4611
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Lynn Keller practices at Blair Clinic in Blair, Nebraska
Dr. Keller's primary practice is Blair Clinic, at 812 N 22nd St, Blair, NE 68008 in Washington County. The practice phone is (402) 426-4611.
- Blair Clinic812 N 22nd St, Blair, NE 68008 · Washington CountyPhone(402) 426-4611
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory Lynn Keller is affiliated with 4 sites of care and 3 medical groups
Dr. Keller's primary practice is Blair Clinic in Blair, Nebraska. Dr. Keller is also affiliated with Cass County Memorial Hospital. The medical group on file is Memorial Community Hospital & Health System. Dmand AI also links Dr. Keller to 1 more hospital, 2 medical groups and 1 rural health clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Lynn Keller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keller practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Blair Clinic | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Lynn Keller is one of 195 psychiatrists in Nebraska
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. Gregory Lynn Keller's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Dr. Keller's median patient age at 43, with 50% 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 43
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
How Dr. Gregory Lynn Keller takes part in Medicare
Dr. Keller accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Lynn Keller received $26 in industry payments in 2017
CMS Open Payments shows 2 general payments to Dr. Keller from 2 drug and device companies in 2017. Food and beverage make up the largest share, 56% of the total. Alkermes, Inc. paid the most, $14.
General payments to Dr. Keller by kind, 2017 to 2017
- Food and beverage$1456%
- Education$1144%
Companies that paid Dr. Keller the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Lynn Keller graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Keller graduated from University of Kansas School of Med (KC/Wich/Sal) in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Lynn 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Gregory Lynn 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. Gregory Lynn Keller's NPI number?
Dr. Gregory Lynn Keller's NPI number is 1649385287. It was assigned on August 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Lynn Keller?
Dr. Gregory Lynn Keller is a psychiatrist in Blair, Nebraska. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Gregory Lynn Keller practice?
Dr. Keller practices at 812 N 22nd St, Blair, NE 68008. Dr. Keller's primary practice is Blair Clinic in Blair, Nebraska. Dmand AI also links Dr. Keller to 1 hospital, 2 medical groups and 1 rural health clinic.
What is Dr. Gregory Lynn Keller's office phone number?
The practice phone on file for Dr. Keller is (402) 426-4611.
What is Dr. Gregory Lynn Keller's medical license number?
Dr. Keller holds Iowa license 3716.
Which hospitals is Dr. Gregory Lynn Keller affiliated with?
Dr. Keller is affiliated with Cass County Memorial Hospital. Dmand AI links Dr. Keller to 1 more hospital.
What medical group is Dr. Gregory Lynn Keller part of?
Dr. Keller is linked to Memorial Community Hospital & Health System. Dmand AI links Dr. Keller to 2 more medical groups.
Does Dr. Gregory Lynn Keller accept Medicare?
Yes. CMS lists Dr. Keller as accepting Medicare assignment.
Where did Dr. Gregory Lynn Keller go to medical school?
Dr. Keller graduated from University of Kansas School of Med (KC/Wich/Sal) in 2004.
Has Dr. Gregory Lynn Keller received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Dr. Keller from 2 companies from 2017 to 2017. The largest total came from Alkermes, Inc.
How long has Dr. Gregory Lynn Keller been practicing?
Dr. Keller graduated from medical school in 2004, 22 years ago.
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