Kathryn Iris Marchessault, PA-C
- Medicare patients, 2024
- 60
- Part D claims, 2024
- 40
- Hospital affiliations
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 29 East 29th St, Bayonne, NJ 07002
- Practice phone
- Call (201) 858-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Kathryn Marchessault'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.
Kathryn Iris Marchessault is a physician assistant in Bayonne, New Jersey
Kathryn Marchessault practices at Bayonne University Hospital in Bayonne, New Jersey, part of Hudson Regional Health.
Kathryn Marchessault's NPI, 1861106510, was assigned on January 9, 2023.
- NPI
- 1861106510NPI Registry (opens in a new tab)
- NPI enumeration date
- January 9, 2023
- NPI status
- Active
- Practice phone
- (201) 858-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Kathryn Iris Marchessault practices at Bayonne University Hospital in Bayonne, New Jersey
Kathryn Marchessault's primary practice is Bayonne University Hospital, at 29 East 29th St, Bayonne, NJ 07002 in Hudson County. The practice phone is (201) 858-5000.
- Bayonne University Hospital29 East 29th St, Bayonne, NJ 07002 · Hudson CountyPhone(201) 858-5000
Source: Dmand AI Affiliation Data
Kathryn Iris Marchessault is affiliated with 3 sites of care and 2 medical groups
Kathryn Marchessault's primary practice is Bayonne University Hospital in Bayonne, New Jersey, part of Hudson Regional Health. Kathryn Marchessault is also affiliated with Hoboken University Hospital. The medical group on file is Hoboken University Medical Center. Dmand AI also links Kathryn Marchessault to 1 more skilled nursing facility and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Kathryn Iris Marchessault's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kathryn Marchessault practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bayonne University Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Kathryn Iris Marchessault is one of 2,975 physician assistants in New Jersey
Physician assistant is Kathryn Marchessault's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Kathryn Marchessault
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
Kathryn Iris Marchessault treated 60 Medicare patients in 2024, average age 66
CMS counts 60 Medicare patients who saw Kathryn Marchessault in 2024. The largest group is under 65, with 21 patients. 73% of them have high blood pressure, and 67% have high cholesterol. 63% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Kathryn Marchessault's median patient age at 43, with 61% women.
Kathryn Marchessault's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Kathryn Marchessault's Medicare patients by sex, 2024
- Women3152%
- Men2948%
Chronic conditions among Kathryn Marchessault's Medicare patients, 2024
- High blood pressure73%
- High cholesterol67%
- Anxiety60%
- Diabetes53%
- Arthritis52%
- Mood disorders52%
- Depression48%
- Bipolar disorder35%
Share of Medicare patients with each condition. A patient can have several.
Kathryn Marchessault'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
- Women61%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Kathryn Iris Marchessault wrote 40 Medicare Part D claims in 2024
In 2024, Kathryn Marchessault wrote 40 Medicare Part D claims for 27 patients. 93% of them were for generic drugs.
Kathryn Marchessault's Part D claims by kind of drug, 2024
- Generic37 claims93%
- Brand-name and other3 claims8%
Drug classes CMS tracks in Kathryn Marchessault's Part D claims, 2024
- Antibiotics35%14 of 40 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
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Sources for Kathryn Iris Marchessault'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) |
| 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 Kathryn Iris Marchessault
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What is Kathryn Iris Marchessault's NPI number?
Kathryn Iris Marchessault's NPI number is 1861106510. It was assigned on January 9, 2023, and it is active in the NPI Registry.
What does Kathryn Iris Marchessault specialize in?
Kathryn Iris Marchessault is a physician assistant in Bayonne, New Jersey. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Kathryn Iris Marchessault practice?
Kathryn Marchessault practices at 29 East 29th St, Bayonne, NJ 07002. Kathryn Marchessault's primary practice is Bayonne University Hospital in Bayonne, New Jersey, part of Hudson Regional Health. Dmand AI also links Kathryn Marchessault to 1 skilled nursing facility and 1 medical group.
What is Kathryn Iris Marchessault's office phone number?
The practice phone on file for Kathryn Marchessault is (201) 858-5000.
Which hospitals is Kathryn Iris Marchessault affiliated with?
Kathryn Marchessault practices at Bayonne University Hospital in Bayonne, New Jersey. Kathryn Marchessault is also affiliated with Hoboken University Hospital.
What medical group is Kathryn Iris Marchessault part of?
Kathryn Marchessault is linked to Hoboken University Medical Center. Dmand AI links Kathryn Marchessault to 1 more medical group.
How many Medicare patients does Kathryn Iris Marchessault see?
CMS counts 60 Medicare patients who saw Kathryn Marchessault in 2024, with an average age of 66.
How long has Kathryn Iris Marchessault been practicing?
Kathryn Marchessault graduated from medical school in 2022, 4 years ago.
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