John Marichak
- Part D claims, 2024
- 527
- Hospital affiliations
- 1
- Industry payments
- $256
- Medical groups
- 2
- State license
- 1
- Practice address
- 2872 Turnpike Street, Susquehanna, PA 18847
- Practice phone
- Call (570) 853-3135
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Marichak'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 Marichak is a physician assistant in Susquehanna, Pennsylvania
John Marichak practices at Barnes-Kasson County Hospital in Susquehanna, Pennsylvania, part of Wayne Memorial Health System.
John Marichak's NPI, 1144903527, was assigned on August 10, 2023. John Marichak holds Pennsylvania license MA064769.
- NPI
- 1144903527NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426494147
- NPI enumeration date
- August 10, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (570) 853-3135
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Marichak practices at Barnes-Kasson County Hospital in Susquehanna, Pennsylvania
John Marichak's primary practice is Barnes-Kasson County Hospital, at 2872 Turnpike Street, Susquehanna, PA 18847 in Susquehanna County. The practice phone is (570) 853-3135.
- Barnes-Kasson County Hospital2872 Turnpike Street, Susquehanna, PA 18847 · Susquehanna CountyPhone(570) 853-3135
Source: Dmand AI Affiliation Data
John Marichak is affiliated with 1 site of care and 2 medical groups
John Marichak's primary practice is Barnes-Kasson County Hospital in Susquehanna, Pennsylvania, part of Wayne Memorial Health System. The medical group on file is Barnes-Kasson County Hospital. Dmand AI also links John Marichak 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 Marichak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Marichak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Kasson County Hospital | 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 Wayne Memorial Health System and 6.2K+ hospitals, with verified contacts in the same login.
John Marichak is one of 6,491 physician assistants in Pennsylvania
Physician assistant is John Marichak's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John Marichak is licensed in Pennsylvania.
Specialties and state licenses
- Physician assistant, PennsylvaniaPrimary
Physician assistants near John Marichak
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 Marichak's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts John Marichak's median patient age at 49, with 53% women.
John Marichak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
John Marichak wrote 527 Medicare Part D claims in 2024
In 2024, John Marichak wrote 527 Medicare Part D claims for 293 patients. 97% of them were for generic drugs. CMS names the drug for 382 of them, across 13 drugs with 11 or more claims each, at $2,734 in total drug cost.
John Marichak's Part D claims by kind of drug, 2024
- Generic511 claims97%
- Brand-name16 claims3%
John Marichak's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in John Marichak's Part D claims, 2024
- Antibiotics49%259 of 527 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John Marichak takes part in Medicare
John Marichak 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 Marichak received $256 in industry payments in 2025
CMS Open Payments shows 13 general payments to John Marichak from 7 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $125.
Companies that paid John Marichak 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 Marichak'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)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 Marichak
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 Marichak's NPI number?
John Marichak's NPI number is 1144903527. It was assigned on August 10, 2023, and it is active in the NPI Registry.
What does John Marichak specialize in?
John Marichak is a physician assistant in Susquehanna, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John Marichak practice?
John Marichak practices at 2872 Turnpike Street, Susquehanna, PA 18847. John Marichak's primary practice is Barnes-Kasson County Hospital in Susquehanna, Pennsylvania, part of Wayne Memorial Health System. Dmand AI also links John Marichak to 1 medical group.
What is John Marichak's office phone number?
The practice phone on file for John Marichak is (570) 853-3135.
What is John Marichak's medical license number?
John Marichak holds Pennsylvania license MA064769.
Which hospitals is John Marichak affiliated with?
John Marichak practices at Barnes-Kasson County Hospital in Susquehanna, Pennsylvania.
What medical group is John Marichak part of?
John Marichak is linked to Barnes-Kasson County Hospital. Dmand AI links John Marichak to 1 more medical group.
Does John Marichak accept Medicare?
Yes. CMS lists John Marichak as accepting Medicare assignment.
What drugs does John Marichak prescribe most?
In 2024 Medicare Part D data, John Marichak's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Methylprednisolone and Doxycycline Monohydrate.
Has John Marichak received payments from drug or device companies?
CMS Open Payments shows $256 in general payments to John Marichak from 7 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has John Marichak been practicing?
John Marichak graduated from medical school in 2023, 3 years ago.
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