John Marshall Denney, PA-C
- Medicare patients, 2024
- 89
- Part D claims, 2024
- 344
- Hospital affiliations
- 1
- Industry payments
- $51
- Medical group
- 1
- Practice address
- 101 Sivley Rd, Huntsville, AL 35801
- Practice phone
- Call (256) 265-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Denney'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.
John Marshall Denney is a physician assistant in Huntsville, Alabama
John Denney practices at Huntsville Hospital in Huntsville, Alabama, part of City of Huntsville, AL.
John Denney's NPI, 1306802863, was assigned on April 25, 2006. John Denney holds Alabama license PA355.
- NPI
- 1306802863NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799688693
- NPI enumeration date
- April 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (256) 265-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Marshall Denney practices at Huntsville Hospital in Huntsville, Alabama
John Denney's primary practice is Huntsville Hospital, at 101 Sivley Rd, Huntsville, AL 35801 in Madison County. The practice phone is (256) 265-1000.
- Huntsville Hospital101 Sivley Rd, Huntsville, AL 35801 · Madison CountyPhone(256) 265-1000
Source: Dmand AI Affiliation Data
John Marshall Denney is affiliated with 2 sites of care and 1 medical group
John Denney's primary practice is Huntsville Hospital in Huntsville, Alabama, part of City of Huntsville, AL. The medical group on file is Huntsville Hospital Spine & Neuro Center. Dmand AI also links John Denney to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Marshall Denney's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Denney practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Huntsville Hospital | Available with a free account |
| +1 more affiliated site | 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 City of Huntsville, AL and 6.2K+ hospitals, with verified contacts in the same login.
John Marshall Denney is one of 913 physician assistants in Alabama
Physician assistant is John Denney's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John Denney is licensed in Alabama.
Specialties and state licenses
- Physician assistant, AlabamaPrimary
Physician assistants near John Denney
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
John Marshall Denney treated 89 Medicare patients in 2024, average age 74
CMS counts 89 Medicare patients who saw John Denney in 2024. The largest group is 75 to 84, with 31 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Denney's median patient age at 61, with 51% women.
John Denney's Medicare patients by age, 2024
John Denney's Medicare patients by sex, 2024
- Women3843%
- Men5157%
Chronic conditions among John Denney's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Depression40%
- Mood disorders40%
- Ischemic heart disease37%
- Chronic kidney disease36%
- Anxiety35%
Share of Medicare patients with each condition. A patient can have several.
John Denney's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Marshall Denney wrote 344 Medicare Part D claims in 2024
In 2024, John Denney wrote 344 Medicare Part D claims for 173 patients. 98% of them were for generic drugs.
John Denney's Part D claims by kind of drug, 2024
- Generic336 claims98%
- Brand-name and other8 claims2%
Drug classes CMS tracks in John Denney's Part D claims, 2024
- Opioids41%142 of 344 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
How John Marshall Denney takes part in Medicare
John Denney 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)
For MedTech and pharma teams
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John Marshall Denney received $51 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Denney from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Jazz Pharmaceuticals Inc. paid the most, $32.
Companies that paid John Denney 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 John Marshall Denney'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 | Doctors and Clinicians National Downloadable File (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 John Marshall Denney
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Marshall Denney's NPI number?
John Marshall Denney's NPI number is 1306802863. It was assigned on April 25, 2006, and it is active in the NPI Registry.
What does John Marshall Denney specialize in?
John Marshall Denney is a physician assistant in Huntsville, Alabama. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John Marshall Denney practice?
John Denney practices at 101 Sivley Rd, Huntsville, AL 35801. John Denney's primary practice is Huntsville Hospital in Huntsville, Alabama, part of City of Huntsville, AL. Dmand AI also links John Denney to 1 group practice or clinic.
What is John Marshall Denney's office phone number?
The practice phone on file for John Denney is (256) 265-1000.
What is John Marshall Denney's medical license number?
John Denney holds Alabama license PA355.
Which hospitals is John Marshall Denney affiliated with?
John Denney practices at Huntsville Hospital in Huntsville, Alabama.
What medical group is John Marshall Denney part of?
John Denney is linked to Huntsville Hospital Spine & Neuro Center.
Does John Marshall Denney accept Medicare?
Yes. CMS lists John Denney as accepting Medicare assignment.
How many Medicare patients does John Marshall Denney see?
CMS counts 89 Medicare patients who saw John Denney in 2024, with an average age of 74.
Has John Marshall Denney received payments from drug or device companies?
CMS Open Payments shows $51 in general payments to John Denney from 2 companies from 2025 to 2025. The largest total came from Jazz Pharmaceuticals Inc.
How long has John Marshall Denney been practicing?
John Denney graduated from medical school in 2003, 23 years ago.
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