Charles Grant Dennehey
- Medicare patients, 2024
- 456
- Part D claims, 2024
- 587
- MIPS score, 2024
- 81
- Hospital affiliations
- 2
- Medical groups
- 3
- Practice address
- 1410 North 4th Street, Clinton, IA 52732
- Practice phone
- Call (563) 244-5555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Charles Dennehey'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.
Charles Grant Dennehey is a physician assistant in Clinton, Iowa
Charles Dennehey practices at MercyOne Clinton Medical Center in Clinton, Iowa, part of Trinity Health.
Charles Dennehey's NPI, 1083253306, was assigned on January 3, 2020. Charles Dennehey holds Iowa license 099619.
- NPI
- 1083253306NPI Registry (opens in a new tab)
- NPI enumeration date
- January 3, 2020
- NPI status
- Active
- Practice phone
- (563) 244-5555
- 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
Charles Grant Dennehey practices at MercyOne Clinton Medical Center in Clinton, Iowa
Charles Dennehey's primary practice is MercyOne Clinton Medical Center, at 1410 North 4th Street, Clinton, IA 52732 in Clinton County. The practice phone is (563) 244-5555.
- MercyOne Clinton Medical Center1410 North 4th Street, Clinton, IA 52732 · Clinton CountyPhone(563) 244-5555
Source: Dmand AI Affiliation Data
Charles Grant Dennehey is affiliated with 2 sites of care and 3 medical groups
Charles Dennehey's primary practice is MercyOne Clinton Medical Center in Clinton, Iowa, part of Trinity Health. Charles Dennehey is also affiliated with MercyOne Genesis Davenport Medical Center. The medical group on file is Genesis Health System. Dmand AI also links Charles Dennehey to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Charles Grant Dennehey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Charles Dennehey practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MercyOne Clinton Medical Center | Available with a free account |
| +1 more site and 2 medical groups | 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Charles Grant Dennehey is one of 1,210 physician assistants in Iowa
Physician assistant is Charles Dennehey's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Charles Dennehey's licenses on file in 2 states: Iowa and Illinois.
Specialties and state licenses
- Physician assistant, IowaPrimary
- Illinois license
Physician assistants near Charles Dennehey
Counts of physician assistants 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
Charles Grant Dennehey treated 456 Medicare patients in 2024, average age 74
CMS counts 456 Medicare patients who saw Charles Dennehey in 2024. The largest group is 75 to 84, with 154 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Charles Dennehey's median patient age at 43, with 54% women.
Charles Dennehey's Medicare patients by age, 2024
Charles Dennehey's Medicare patients by sex, 2024
- Women26358%
- Men19342%
Chronic conditions among Charles Dennehey's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease52%
- Anxiety39%
- Diabetes39%
- COPD35%
- Heart failure35%
Share of Medicare patients with each condition. A patient can have several.
Charles Dennehey'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
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Charles Grant Dennehey wrote 587 Medicare Part D claims in 2024
In 2024, Charles Dennehey wrote 587 Medicare Part D claims for 316 patients. 90% of them were for generic drugs.
Charles Dennehey's Part D claims by kind of drug, 2024
- Generic527 claims90%
- Brand-name60 claims10%
Drug classes CMS tracks in Charles Dennehey's Part D claims, 2024
- Opioids4%22 of 587 claims
- Antibiotics42%246 of 587 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Charles Grant Dennehey scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Charles Dennehey for performance year 2024, reported as part of a group.
Charles Dennehey's MIPS scores, performance year 2024
- 81of 100Final score
- 71.8of 100Quality
- 40of 100Improvement Activities
- 81of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 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 Charles Grant Dennehey'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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 Charles Grant Dennehey
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Charles Grant Dennehey's NPI number?
Charles Grant Dennehey's NPI number is 1083253306. It was assigned on January 3, 2020, and it is active in the NPI Registry.
What does Charles Grant Dennehey specialize in?
Charles Grant Dennehey is a physician assistant in Clinton, Iowa. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Charles Grant Dennehey practice?
Charles Dennehey practices at 1410 North 4th Street, Clinton, IA 52732. Charles Dennehey's primary practice is MercyOne Clinton Medical Center in Clinton, Iowa, part of Trinity Health. Dmand AI also links Charles Dennehey to 2 medical groups.
What is Charles Grant Dennehey's office phone number?
The practice phone on file for Charles Dennehey is (563) 244-5555.
What is Charles Grant Dennehey's medical license number?
Charles Dennehey holds Iowa license 099619, one of the licenses on file in 2 states.
Which states has Charles Grant Dennehey been licensed in?
Dmand AI has state licenses on file for Charles Dennehey in Iowa and Illinois.
Which hospitals is Charles Grant Dennehey affiliated with?
Charles Dennehey practices at MercyOne Clinton Medical Center in Clinton, Iowa. Charles Dennehey is also affiliated with MercyOne Genesis Davenport Medical Center.
What medical group is Charles Grant Dennehey part of?
Charles Dennehey is linked to Genesis Health System. Dmand AI links Charles Dennehey to 2 more medical groups.
What is Charles Grant Dennehey's MIPS score?
Charles Dennehey's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Charles Grant Dennehey see?
CMS counts 456 Medicare patients who saw Charles Dennehey in 2024, with an average age of 74.
How long has Charles Grant Dennehey been practicing?
Charles Dennehey's NPI was assigned in 2020.
Selling to physician assistant practices?
See physician assistants in Iowa by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card