Dr. Charles A. Jennings, MD
- Medicare services, 2024
- 3,887
- Medicare patients, 2024
- 525
- Part D claims, 2024
- 12,386
- Hospital affiliations
- 4
- Industry payments
- $6,317
- Practice address
- 1001 Towson Avenue, Fort Smith, AR 72901
- Practice phone
- Call (479) 441-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Jennings' professional email, personal email and mobile number
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Dr. Charles A. Jennings is an internist in Fort Smith, Arkansas
Dr. Jennings practices at Baptist Health Medical Center Fort Smith in Fort Smith, Arkansas, part of Baptist Health.
Dr. Jennings' NPI, 1558359398, was assigned on October 6, 2005. Dr. Jennings graduated from University of Oklahoma College of Medicine in 1982. Dr. Jennings holds Arkansas license N6962.
- NPI
- 1558359398NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840268298
- NPI enumeration date
- October 6, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (479) 441-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles A. Jennings practices at Baptist Health Medical Center Fort Smith in Fort Smith, Arkansas
Dr. Jennings' primary practice is Baptist Health Medical Center Fort Smith, at 1001 Towson Avenue, Fort Smith, AR 72901 in Sebastian County. The practice phone is (479) 441-4000.
- Baptist Health Medical Center Fort Smith1001 Towson Avenue, Fort Smith, AR 72901 · Sebastian CountyPhone(479) 441-4000
Source: Dmand AI Affiliation Data
Dr. Charles A. Jennings is affiliated with 11 sites of care and 1 medical group
Dr. Jennings' primary practice is Baptist Health Medical Center Fort Smith in Fort Smith, Arkansas, part of Baptist Health. Dr. Jennings is also affiliated with Mercy Hospital Fort Smith. The medical group on file is Arkansas Health Group. Dmand AI also links Dr. Jennings to 2 more hospitals, 5 home health agencies, 1 group practice or clinic and 1 therapy and rehab clinic, 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. Charles A. Jennings' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jennings practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Health Medical Center Fort Smith | Available with a free account |
| +10 more affiliated sites | 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 Baptist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charles A. Jennings is one of 642 internists in Arkansas
Internal medicine is Dr. Jennings' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Jennings is licensed in Arkansas.
Specialties and state licenses
- Internal medicine, ArkansasPrimary
Internists near Dr. Jennings
Counts of internists 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. Charles A. Jennings billed Medicare for 3,887 services in 2024
CMS data shows 3,887 Medicare services from Dr. Jennings across 18 procedure codes in 2024, for 525 Medicare patients. Medicare paid $199,960 for them.
Dr. Jennings' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,1172024: 2,0553%
- Surgery
- 2023: 8612024: 864No change
- Other services
- 2023: 2792024: 775178%
- Tests and treatments
- 2023: 1492024: 19330%
Where Dr. Jennings' Medicare services took place, 2024
- In an office2,70069%
- In a facility1,18731%
Dr. Jennings compared with the Arkansas median for internists, 2024
- Dr. Jennings
- Arkansas median
- Medicare services
- 3,887vs 8424.6 times
- Medicare patients
- 525vs 29081% above
- Part D claims
- 11,663vs 19759.2 times
Medians across 627 internists in Arkansas with Dmand AI profiles that report each measure.
Dr. Jennings' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Jennings?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jennings and other internists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles A. Jennings treated 525 Medicare patients in 2024, average age 77
CMS counts 525 Medicare patients who saw Dr. Jennings in 2024. The largest group is 65 to 74, with 208 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Jennings' median patient age at 74, with 45% women.
Dr. Jennings' Medicare patients by age, 2024
Dr. Jennings' Medicare patients by sex, 2024
- Women24847%
- Men27753%
Chronic conditions among Dr. Jennings' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Ischemic heart disease37%
- Chronic kidney disease35%
- Diabetes35%
- Heart failure29%
- Atrial fibrillation27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jennings' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles A. Jennings wrote 12,386 Medicare Part D claims in 2024
In 2024, Dr. Jennings wrote 12,386 Medicare Part D claims for 764 patients. 86% of them were for generic drugs. CMS names the drug for 11,663 of them, across 163 drugs with 11 or more claims each, at $1,033,615 in total drug cost. In 2023, CMS named 11,846 claims across 180 drugs.
Dr. Jennings' Part D claims by kind of drug, 2024
- Generic10,634 claims86%
- Brand-name1,656 claims13%
- Other96 claims1%
Dr. Jennings' 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. Jennings' Part D claims, 2024
- Opioids0%56 of 12,386 claims
- Antibiotics3%414 of 12,386 claims
- Antipsychotics, patients 65 and over0%23 of 12,386 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 11,8462024: 11,6632%
Drugs named by CMS: 163 in 2024, 180 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
How Dr. Charles A. Jennings takes part in Medicare
Dr. Jennings accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 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. Charles A. Jennings received $6,317 in industry payments from 2016 to 2025
CMS Open Payments shows 403 general payments to Dr. Jennings from 48 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $1,067.
General payments to Dr. Jennings by program year, 2016 to 2025
Companies that paid Dr. Jennings the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles A. Jennings graduated from University of Oklahoma College of Medicine
Dr. Jennings graduated from University of Oklahoma College of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Charles A. Jennings'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 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) |
| 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. Charles A. Jennings
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. Charles A. Jennings' NPI number?
Dr. Charles A. Jennings' NPI number is 1558359398. It was assigned on October 6, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles A. Jennings?
Dr. Charles A. Jennings is an internist in Fort Smith, Arkansas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Charles A. Jennings practice?
Dr. Jennings practices at 1001 Towson Avenue, Fort Smith, AR 72901. Dr. Jennings' primary practice is Baptist Health Medical Center Fort Smith in Fort Smith, Arkansas, part of Baptist Health. Dmand AI also links Dr. Jennings to 2 hospitals, 5 home health agencies, 1 group practice or clinic and 1 therapy and rehab clinic.
What is Dr. Charles A. Jennings' office phone number?
The practice phone on file for Dr. Jennings is (479) 441-4000.
What is Dr. Charles A. Jennings' medical license number?
Dr. Jennings holds Arkansas license N6962.
Which hospitals is Dr. Charles A. Jennings affiliated with?
Dr. Jennings practices at Baptist Health Medical Center Fort Smith in Fort Smith, Arkansas. Dr. Jennings is also affiliated with Mercy Hospital Fort Smith. Dmand AI links Dr. Jennings to 2 more hospitals.
What medical group is Dr. Charles A. Jennings part of?
Dr. Jennings is linked to Arkansas Health Group.
Does Dr. Charles A. Jennings accept Medicare?
Yes. CMS data shows Dr. Jennings billed Medicare for 3,887 services in 2024, and Dr. Jennings accepts Medicare assignment.
How many Medicare patients does Dr. Charles A. Jennings see?
CMS counts 525 Medicare patients who saw Dr. Jennings in 2024, with an average age of 77.
What services does Dr. Charles A. Jennings bill to Medicare?
In 2024, Dr. Jennings' most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. Charles A. Jennings go to medical school?
Dr. Jennings graduated from University of Oklahoma College of Medicine in 1982.
What drugs does Dr. Charles A. Jennings prescribe most?
In 2024 Medicare Part D data, Dr. Jennings' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Omeprazole.
Has Dr. Charles A. Jennings received payments from drug or device companies?
CMS Open Payments shows $6,317 in general payments to Dr. Jennings from 48 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Charles A. Jennings been practicing?
Dr. Jennings graduated from medical school in 1982, 44 years ago.
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