John Howard Davidson, PA
- Medicare patients, 2024
- 176
- Part D claims, 2024
- 71
- MIPS score, 2024
- 82
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 405 W Jackson, Carbondale, IL 62901
- Practice phone
- Call (618) 549-0721
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Davidson'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 Howard Davidson is a physician assistant in Carbondale, Illinois
John Davidson practices at SIH Memorial Hospital of Carbondale in Carbondale, Illinois, part of Southern Illinois Healthcare.
John Davidson's NPI, 1043480056, was assigned on March 5, 2008. John Davidson holds Illinois license 085001572.
- NPI
- 1043480056NPI Registry (opens in a new tab)
- NPI enumeration date
- March 5, 2008
- NPI status
- Active
- Practice phone
- (618) 549-0721
- 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
John Howard Davidson practices at SIH Memorial Hospital of Carbondale in Carbondale, Illinois
John Davidson's primary practice is SIH Memorial Hospital of Carbondale, at 405 W Jackson, Carbondale, IL 62901 in Jackson County. The practice phone is (618) 549-0721.
- SIH Memorial Hospital of Carbondale405 W Jackson, Carbondale, IL 62901 · Jackson CountyPhone(618) 549-0721
Source: Dmand AI Affiliation Data
John Howard Davidson is affiliated with 1 site of care and 2 medical groups
John Davidson's primary practice is SIH Memorial Hospital of Carbondale in Carbondale, Illinois, part of Southern Illinois Healthcare. The medical group on file is Southern Illinois Healthcare (SIH). Dmand AI also links John Davidson to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Howard Davidson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Davidson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SIH Memorial Hospital of Carbondale | Available with a free account |
| +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 Southern Illinois Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
John Howard Davidson is one of 4,299 physician assistants in Illinois
Physician assistant is John Davidson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John Davidson is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near John Davidson
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 Howard Davidson treated 176 Medicare patients in 2024, average age 74
CMS counts 176 Medicare patients who saw John Davidson in 2024. The largest group is 75 to 84, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.46, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts John Davidson's median patient age at 72, with 49% women.
John Davidson's Medicare patients by age, 2024
John Davidson's Medicare patients by sex, 2024
- Women9856%
- Men7844%
Chronic conditions among John Davidson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Anxiety49%
- Ischemic heart disease49%
- Diabetes48%
- Chronic kidney disease47%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
John Davidson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Howard Davidson wrote 71 Medicare Part D claims in 2024
In 2024, John Davidson wrote 71 Medicare Part D claims for 48 patients. 80% of them were for generic drugs.
John Davidson's Part D claims by kind of drug, 2024
- Generic57 claims80%
- Brand-name14 claims20%
Drug classes CMS tracks in John Davidson's Part D claims, 2024
- Antibiotics35%25 of 71 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
John Howard Davidson scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for John Davidson for performance year 2024, reported as part of a group.
John Davidson's MIPS scores, performance year 2024
- 82of 100Final score
- 55.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 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 John Howard Davidson'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 John Howard Davidson
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 Howard Davidson's NPI number?
John Howard Davidson's NPI number is 1043480056. It was assigned on March 5, 2008, and it is active in the NPI Registry.
What does John Howard Davidson specialize in?
John Howard Davidson is a physician assistant in Carbondale, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John Howard Davidson practice?
John Davidson practices at 405 W Jackson, Carbondale, IL 62901. John Davidson's primary practice is SIH Memorial Hospital of Carbondale in Carbondale, Illinois, part of Southern Illinois Healthcare. Dmand AI also links John Davidson to 1 medical group.
What is John Howard Davidson's office phone number?
The practice phone on file for John Davidson is (618) 549-0721.
What is John Howard Davidson's medical license number?
John Davidson holds Illinois license 085001572, one of 2 state licenses on file.
Which hospitals is John Howard Davidson affiliated with?
John Davidson practices at SIH Memorial Hospital of Carbondale in Carbondale, Illinois.
What medical group is John Howard Davidson part of?
John Davidson is linked to Southern Illinois Healthcare (SIH). Dmand AI links John Davidson to 1 more medical group.
What is John Howard Davidson's MIPS score?
John Davidson's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does John Howard Davidson see?
CMS counts 176 Medicare patients who saw John Davidson in 2024, with an average age of 74.
How long has John Howard Davidson been practicing?
John Davidson's NPI was assigned in 2008.
Selling to physician assistant practices?
See physician assistants in Illinois 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