Clay Johnson
- Medicare patients, 2024
- 84
- Part D claims, 2024
- 120
- MIPS score, 2024
- 90
- Hospital affiliations
- 1
- Industry payments
- $73
- Practice address
- 2100 Wescott Drive, Flemington, NJ 08822
- Practice phone
- Call (908) 788-6100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Clay Johnson'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.
Clay Johnson is a physician assistant in Flemington, New Jersey
Clay Johnson practices at Hunterdon Medical Center in Flemington, New Jersey, part of Hunterdon Health.
Clay Johnson's NPI, 1164021713, was assigned on October 23, 2020. Clay Johnson holds New Jersey license 25MP00676700.
- NPI
- 1164021713NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789071564
- NPI enumeration date
- October 23, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (908) 788-6100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Clay Johnson practices at Hunterdon Medical Center in Flemington, New Jersey
Clay Johnson's primary practice is Hunterdon Medical Center, at 2100 Wescott Drive, Flemington, NJ 08822 in Hunterdon County. The practice phone is (908) 788-6100.
- Hunterdon Medical Center2100 Wescott Drive, Flemington, NJ 08822 · Hunterdon CountyPhone(908) 788-6100
Source: Dmand AI Affiliation Data
Clay Johnson is affiliated with 3 sites of care and 1 medical group
Clay Johnson's primary practice is Hunterdon Medical Center in Flemington, New Jersey, part of Hunterdon Health. The medical group on file is MidJersey Orthopaedics. Dmand AI also links Clay Johnson to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Clay Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Clay Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hunterdon Medical Center | Available with a free account |
| +2 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 Hunterdon Health and 6.2K+ hospitals, with verified contacts in the same login.
Clay Johnson is one of 2,975 physician assistants in New Jersey
Physician assistant is Clay Johnson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Clay Johnson's licenses on file in 2 states: New Jersey and Pennsylvania.
Specialties and state licenses
- Physician assistant, New JerseyPrimary
- Pennsylvania license
Physician assistants near Clay Johnson
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
Clay Johnson treated 84 Medicare patients in 2024, average age 74
CMS counts 84 Medicare patients who saw Clay Johnson in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Clay Johnson's median patient age at 63, with 49% women.
Clay Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Clay Johnson's Medicare patients by sex, 2024
- Women4554%
- Men3946%
Chronic conditions among Clay Johnson's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders40%
- Depression35%
- Anxiety31%
- Ischemic heart disease24%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Clay Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women49%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Clay Johnson wrote 120 Medicare Part D claims in 2024
In 2024, Clay Johnson wrote 120 Medicare Part D claims for 118 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Clay Johnson's Part D claims, 2024
- Opioids100%120 of 120 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
Clay Johnson scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Clay Johnson for performance year 2024, reported as part of a group. Clay Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Clay Johnson's MIPS scores, performance year 2024
- 90of 100Final score
- 79.5of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
- 90of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Clay Johnson received $73 in industry payments in 2025
CMS Open Payments shows 1 general payment to Clay Johnson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $73.
Companies that paid Clay Johnson 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 Clay Johnson'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)Clinician Public Reporting: Overall MIPS Performance (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 Clay Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Clay Johnson's NPI number?
Clay Johnson's NPI number is 1164021713. It was assigned on October 23, 2020, and it is active in the NPI Registry.
What does Clay Johnson specialize in?
Clay Johnson is a physician assistant in Flemington, New Jersey. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Clay Johnson practice?
Clay Johnson practices at 2100 Wescott Drive, Flemington, NJ 08822. Clay Johnson's primary practice is Hunterdon Medical Center in Flemington, New Jersey, part of Hunterdon Health. Dmand AI also links Clay Johnson to 1 group practice or clinic and 1 home health agency.
What is Clay Johnson's office phone number?
The practice phone on file for Clay Johnson is (908) 788-6100.
What is Clay Johnson's medical license number?
Clay Johnson holds New Jersey license 25MP00676700, one of the licenses on file in 2 states.
Which states has Clay Johnson been licensed in?
Dmand AI has state licenses on file for Clay Johnson in New Jersey and Pennsylvania.
Which hospitals is Clay Johnson affiliated with?
Clay Johnson practices at Hunterdon Medical Center in Flemington, New Jersey.
What medical group is Clay Johnson part of?
Clay Johnson is linked to MidJersey Orthopaedics.
Does Clay Johnson accept Medicare?
Yes. CMS lists Clay Johnson as accepting Medicare assignment.
What is Clay Johnson's MIPS score?
Clay Johnson's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
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How many Medicare patients does Clay Johnson see?
CMS counts 84 Medicare patients who saw Clay Johnson in 2024, with an average age of 74.
Has Clay Johnson received payments from drug or device companies?
CMS Open Payments shows $73 in general payments to Clay Johnson from 1 company from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Clay Johnson been practicing?
Clay Johnson graduated from medical school in 2020, 6 years ago.
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