Dr. Joseph Keller, MD
- Part D claims, 2024
- 69
- Hospital affiliations
- 1
- Industry payments
- $231
- Medical groups
- 2
- State license
- 1
- Practice address
- 3801 South National Avenue, Springfield, MO 65807
- Practice phone
- Call (417) 269-6000
- 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. Joseph Keller is a general surgeon in Springfield, Missouri
Dr. Keller practices at Cox Medical Center South in Springfield, Missouri, part of Lester E. Cox Medical Centers.
Dr. Keller's NPI, 1841819778, was assigned on April 10, 2020. Dr. Keller holds Missouri license 2025020275.
- NPI
- 1841819778NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426474230
- NPI enumeration date
- April 10, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (417) 269-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Keller practices at Cox Medical Center South in Springfield, Missouri
Dr. Keller's primary practice is Cox Medical Center South, at 3801 South National Avenue, Springfield, MO 65807 in Greene County. The practice phone is (417) 269-6000.
- Cox Medical Center South3801 South National Avenue, Springfield, MO 65807 · Greene CountyPhone(417) 269-6000
Source: Dmand AI Affiliation Data
Dr. Joseph Keller is affiliated with 3 sites of care and 2 medical groups
Dr. Keller's primary practice is Cox Medical Center South in Springfield, Missouri, part of Lester E. Cox Medical Centers. The medical group on file is Ferrell-Duncan Clinic. Dmand AI also links Dr. Keller to 2 more group practices and clinics 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. Joseph 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 |
|---|---|
| Cox Medical Center South | Available with a free account |
| +2 more sites 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 Lester E. Cox Medical Centers and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joseph Keller is one of 593 general surgeons in Missouri
Surgery is Dr. Keller's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Keller is licensed in Missouri.
Specialties and state licenses
- Surgery, MissouriPrimary
General surgeons near Dr. Keller
Counts of general surgeons 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. Joseph Keller's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Keller's median patient age at 59, with 43% 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 59
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Joseph Keller wrote 69 Medicare Part D claims in 2024
In 2024, Dr. Keller wrote 69 Medicare Part D claims for 28 patients. 83% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $39 in total drug cost.
Dr. Keller's Part D claims by kind of drug, 2024
- Generic57 claims83%
- Brand-name12 claims17%
Dr. Keller'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.
Drug classes CMS tracks in Dr. Keller's Part D claims, 2024
- Opioids25%17 of 69 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Dr. Joseph Keller ranks in the 54th percentile for colonoscopy in Medicare
Dr. Keller accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 31 procedures of colonoscopy by Dr. Keller, more than 54% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Keller ranks in Medicare procedure volume
- Colonoscopy
- 54th percentile31 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Joseph Keller received $231 in industry payments from 2024 to 2025
CMS Open Payments shows 5 general payments to Dr. Keller from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $122.
General payments to Dr. Keller by program year, 2024 to 2025
Companies that paid Dr. Keller the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Joseph 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 Dr. Joseph 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. Joseph Keller's NPI number?
Dr. Joseph Keller's NPI number is 1841819778. It was assigned on April 10, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Keller?
Dr. Joseph Keller is a general surgeon in Springfield, Missouri. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Joseph Keller practice?
Dr. Keller practices at 3801 South National Avenue, Springfield, MO 65807. Dr. Keller's primary practice is Cox Medical Center South in Springfield, Missouri, part of Lester E. Cox Medical Centers. Dmand AI also links Dr. Keller to 2 group practices and clinics and 1 medical group.
What is Dr. Joseph Keller's office phone number?
The practice phone on file for Dr. Keller is (417) 269-6000.
What is Dr. Joseph Keller's medical license number?
Dr. Keller holds Missouri license 2025020275.
Which hospitals is Dr. Joseph Keller affiliated with?
Dr. Keller practices at Cox Medical Center South in Springfield, Missouri.
What medical group is Dr. Joseph Keller part of?
Dr. Keller is linked to Ferrell-Duncan Clinic. Dmand AI links Dr. Keller to 1 more medical group.
Does Dr. Joseph Keller accept Medicare?
Yes. CMS lists Dr. Keller as accepting Medicare assignment.
What drugs does Dr. Joseph Keller prescribe most?
In 2024 Medicare Part D data, Dr. Keller's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Joseph Keller received payments from drug or device companies?
CMS Open Payments shows $231 in general payments to Dr. Keller from 4 companies from 2024 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Joseph Keller been practicing?
Dr. Keller graduated from medical school in 2020, 6 years ago.
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