Michael Anthony O'Hagan, PA
- Part D claims, 2024
- 2,578
- Hospital affiliations
- 4
- Industry payments
- $796
- Medical group
- 1
- State license
- 1
- Practice address
- 830 Washington Street, Watertown, NY 13601
- Practice phone
- Call (315) 785-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Michael O'Hagan'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.
Michael Anthony O'Hagan is a physician assistant in Watertown, New York
Michael O'Hagan practices at Samaritan Medical Center in Watertown, New York, part of MultiCare Health System.
Michael O'Hagan's NPI, 1346579448, was assigned on December 18, 2009. Michael O'Hagan holds New York license 013717.
- NPI
- 1346579448NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618018730
- NPI enumeration date
- December 18, 2009
- NPI status
- Active
- Practice phone
- (315) 785-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Michael Anthony O'Hagan practices at Samaritan Medical Center in Watertown, New York
Michael O'Hagan's primary practice is Samaritan Medical Center, at 830 Washington Street, Watertown, NY 13601 in Jefferson County. The practice phone is (315) 785-4000.
- Samaritan Medical Center830 Washington Street, Watertown, NY 13601 · Jefferson CountyPhone(315) 785-4000
Source: Dmand AI Affiliation Data
Michael Anthony O'Hagan is affiliated with 5 sites of care and 1 medical group
Michael O'Hagan's primary practice is Samaritan Medical Center in Watertown, New York, part of MultiCare Health System. Michael O'Hagan is also affiliated with Lewis County General Hospital. The medical group on file is Family Medicine of Northern New York. Dmand AI also links Michael O'Hagan to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael Anthony O'Hagan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael O'Hagan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Samaritan Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael Anthony O'Hagan is one of 11,456 physician assistants in New York
Physician assistant is Michael O'Hagan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael O'Hagan is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Michael O'Hagan is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Michael O'Hagan
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
Michael Anthony O'Hagan's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Michael O'Hagan's median patient age at 46, with 61% women.
Michael O'Hagan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Michael Anthony O'Hagan wrote 2,578 Medicare Part D claims in 2024
In 2024, Michael O'Hagan wrote 2,578 Medicare Part D claims for 196 patients. 88% of them were for generic drugs. CMS names the drug for 2,022 of them, across 71 drugs with 11 or more claims each, at $147,594 in total drug cost.
Michael O'Hagan's Part D claims by kind of drug, 2024
- Generic2,280 claims88%
- Brand-name272 claims11%
- Other26 claims1%
Michael O'Hagan'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 Michael O'Hagan's Part D claims, 2024
- Opioids5%119 of 2,578 claims
- Antibiotics3%88 of 2,578 claims
- Antipsychotics, patients 65 and over0%11 of 2,578 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
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Michael Anthony O'Hagan received $796 in industry payments in 2025
CMS Open Payments shows 47 general payments to Michael O'Hagan from 16 drug and device companies in 2025. Food and beverage make up the largest share, 98% of the total. AstraZeneca Pharmaceuticals LP paid the most, $111.
General payments to Michael O'Hagan by kind, 2025 to 2025
- Food and beverage$78098%
- Education$162%
Companies that paid Michael O'Hagan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Michael Anthony O'Hagan is board certified in certified physician assistant
Michael O'Hagan is a member of AAPA.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Michael Anthony O'Hagan'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Michael Anthony O'Hagan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael Anthony O'Hagan's NPI number?
Michael Anthony O'Hagan's NPI number is 1346579448. It was assigned on December 18, 2009, and it is active in the NPI Registry.
What does Michael Anthony O'Hagan specialize in?
Michael Anthony O'Hagan is a physician assistant in Watertown, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael Anthony O'Hagan practice?
Michael O'Hagan practices at 830 Washington Street, Watertown, NY 13601. Michael O'Hagan's primary practice is Samaritan Medical Center in Watertown, New York, part of MultiCare Health System. Dmand AI also links Michael O'Hagan to 2 hospitals and 1 group practice or clinic.
What is Michael Anthony O'Hagan's office phone number?
The practice phone on file for Michael O'Hagan is (315) 785-4000.
What is Michael Anthony O'Hagan's medical license number?
Michael O'Hagan holds New York license 013717.
Which hospitals is Michael Anthony O'Hagan affiliated with?
Michael O'Hagan practices at Samaritan Medical Center in Watertown, New York. Michael O'Hagan is also affiliated with Lewis County General Hospital. Dmand AI links Michael O'Hagan to 2 more hospitals.
What medical group is Michael Anthony O'Hagan part of?
Michael O'Hagan is linked to Family Medicine of Northern New York.
Is Michael Anthony O'Hagan board certified?
Yes. Michael O'Hagan is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Michael Anthony O'Hagan prescribe most?
In 2024 Medicare Part D data, Michael O'Hagan's most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Tramadol HCl.
Has Michael Anthony O'Hagan received payments from drug or device companies?
CMS Open Payments shows $796 in general payments to Michael O'Hagan from 16 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Michael Anthony O'Hagan been practicing?
Michael O'Hagan graduated from medical school in 2009, 17 years ago.
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