Carl Keith Callahan, CNP
- Medicare patients, 2024
- 121
- Part D claims, 2024
- 29
- Hospital affiliations
- 1
- Industry payments
- $20
- Medical groups
- 4
- Practice address
- 12303 Depaul Drive, Bridgeton, MO 63044
- Practice phone
- Call (314) 344-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Carl Callahan'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.
Carl Keith Callahan is a family nurse practitioner in Bridgeton, Missouri
Carl Callahan practices at SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri, part of SSM Health Care.
Carl Callahan's NPI, 1750755849, was assigned on November 30, 2015. Carl Callahan holds Missouri license 2015039591.
- NPI
- 1750755849NPI Registry (opens in a new tab)
- NPI enumeration date
- November 30, 2015
- NPI status
- Active
- Practice phone
- (314) 344-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Carl Keith Callahan practices at SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri
Carl Callahan's primary practice is SSM Health DePaul Hospital - St. Louis, at 12303 Depaul Drive, Bridgeton, MO 63044 in St. Louis County. The practice phone is (314) 344-6000.
- SSM Health DePaul Hospital - St. Louis12303 Depaul Drive, Bridgeton, MO 63044 · St. Louis CountyPhone(314) 344-6000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Carl Keith Callahan is affiliated with 1 site of care and 4 medical groups
Carl Callahan's primary practice is SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri, part of SSM Health Care. The medical group on file is SSM Health Medical Group. Dmand AI also links Carl Callahan to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Carl Keith Callahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Carl Callahan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health DePaul Hospital - St. Louis | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Carl Keith Callahan is one of 3,989 family nurse practitioners in Missouri
Family is Carl Callahan's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Carl Callahan is licensed in Missouri.
Specialties and state licenses
- Family nurse practitioner, MissouriPrimary
Family nurse practitioners near Carl Callahan
Counts of family nurse practitioners 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
Carl Keith Callahan treated 121 Medicare patients in 2024, average age 50
CMS counts 121 Medicare patients who saw Carl Callahan in 2024. The largest group is under 65, with 89 patients. 75% of them have anxiety, and 75% have depression. 87% are also on Medicaid. Their average risk score is 1.91, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Carl Callahan's median patient age at 78, with 0% women.
Carl Callahan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Carl Callahan's Medicare patients by sex, 2024
- Women5949%
- Men6251%
Chronic conditions among Carl Callahan's Medicare patients, 2024
- Anxiety75%
- Depression75%
- Mood disorders75%
- Schizophrenia and other psychoses75%
- Bipolar disorder68%
- High blood pressure67%
- High cholesterol57%
- Tobacco use55%
Share of Medicare patients with each condition. A patient can have several.
Carl Callahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Carl Keith Callahan wrote 29 Medicare Part D claims in 2024
In 2024, Carl Callahan wrote 29 Medicare Part D claims for 18 patients. 97% of them were for generic drugs.
Carl Callahan's Part D claims by kind of drug, 2024
- Generic28 claims97%
- Brand-name and other1 claims3%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Carl Keith Callahan received $20 in industry payments in 2025
CMS Open Payments shows 1 general payment to Carl Callahan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Viatris Specialty LLC paid the most, $20.
Companies that paid Carl Callahan 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 Carl Keith Callahan'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)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (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 Carl Keith Callahan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Carl Keith Callahan's NPI number?
Carl Keith Callahan's NPI number is 1750755849. It was assigned on November 30, 2015, and it is active in the NPI Registry.
What does Carl Keith Callahan specialize in?
Carl Keith Callahan is a family nurse practitioner in Bridgeton, Missouri. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Carl Keith Callahan practice?
Carl Callahan practices at 12303 Depaul Drive, Bridgeton, MO 63044. Carl Callahan's primary practice is SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri, part of SSM Health Care. Dmand AI also links Carl Callahan to 3 medical groups.
What is Carl Keith Callahan's office phone number?
The practice phone on file for Carl Callahan is (314) 344-6000.
What is Carl Keith Callahan's medical license number?
Carl Callahan holds Missouri license 2015039591.
Which hospitals is Carl Keith Callahan affiliated with?
Carl Callahan practices at SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri.
What medical group is Carl Keith Callahan part of?
Carl Callahan is linked to SSM Health Medical Group. Dmand AI links Carl Callahan to 3 more medical groups.
How many Medicare patients does Carl Keith Callahan see?
CMS counts 121 Medicare patients who saw Carl Callahan in 2024, with an average age of 50.
Has Carl Keith Callahan received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Carl Callahan from 1 company from 2025 to 2025. The largest total came from Viatris Specialty LLC.
How long has Carl Keith Callahan been practicing?
Carl Callahan graduated from medical school in 2015, 11 years ago.
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