Michael Sean Sullivan, RPAC

  • Roslyn, NY
  • Physician assistant
NPI1255567871PAC ID3274930797
Part D claims, 2024
2,657
Hospital affiliations
1
Industry payments
$105
Medical groups
2
State license
1
Practice address
100 Port Washington Boulevard, Roslyn, NY 11576
Practice phone
Call (516) 562-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

St. Francis Hospital & Heart Center

Hospital · Roslyn, New York

See all 3 affiliations

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Michael Sean Sullivan is a physician assistant in Roslyn, New York

Michael Sullivan practices at St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre.

Michael Sullivan's NPI, 1255567871, was assigned on June 10, 2009. Michael Sullivan holds New York license 012773-1.

NPI and contact details
Medicare PAC ID
3274930797
NPI enumeration date
June 10, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(516) 562-6000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Michael Sean Sullivan practices at St. Francis Hospital & Heart Center in Roslyn, New York

Michael Sullivan's primary practice is St. Francis Hospital & Heart Center, at 100 Port Washington Boulevard, Roslyn, NY 11576 in Nassau County. The practice phone is (516) 562-6000.

Source: Dmand AI Affiliation Data

Michael Sean Sullivan is affiliated with 1 site of care and 2 medical groups

Michael Sullivan's primary practice is St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre. The medical group on file is Cardiac Interventional Group. Dmand AI also links Michael Sullivan to 1 more medical group, named with a free account.

See all 3 affiliations for Michael Sullivan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Michael Sean Sullivan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Sullivan practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St. Francis Hospital & Heart CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael Sean Sullivan is one of 11,456 physician assistants in New York

Physician assistant is Michael Sullivan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Sullivan is licensed in New York.

Specialties and state licenses

  • Physician assistant, New YorkPrimaryLicense 012773-1 · taxonomy 363A00000X

Physician assistants near Michael Sullivan

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 Sean Sullivan's patients have a median age of 65

Across all payers, Dmand AI patient panel data puts Michael Sullivan's median patient age at 65, with 55% women.

Michael Sullivan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women55%
  • Men43%

Source: Dmand AI Patient Panel Data

Michael Sean Sullivan wrote 2,657 Medicare Part D claims in 2024

In 2024, Michael Sullivan wrote 2,657 Medicare Part D claims for 839 patients. 84% of them were for generic drugs.

Part D claims, 20242,657
Part D patients839

Michael Sullivan's Part D claims by kind of drug, 2024

  • Generic2,225 claims84%
  • Brand-name432 claims16%

Drug classes CMS tracks in Michael Sullivan's Part D claims, 2024

  • Antibiotics1%20 of 2,657 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

How Michael Sean Sullivan takes part in Medicare

Michael Sullivan 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)

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Michael Sean Sullivan received $105 in industry payments in 2025

CMS Open Payments shows 4 general payments to Michael Sullivan from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $54.

Companies that paid Michael Sullivan the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Sullivan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Michael Sean Sullivan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Michael Sean Sullivan

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 Sean Sullivan's NPI number?

Michael Sean Sullivan's NPI number is 1255567871. It was assigned on June 10, 2009, and it is active in the NPI Registry.

What does Michael Sean Sullivan specialize in?

Michael Sean Sullivan is a physician assistant in Roslyn, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Michael Sean Sullivan practice?

Michael Sullivan practices at 100 Port Washington Boulevard, Roslyn, NY 11576. Michael Sullivan's primary practice is St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre. Dmand AI also links Michael Sullivan to 1 medical group.

What is Michael Sean Sullivan's office phone number?

The practice phone on file for Michael Sullivan is (516) 562-6000.

What is Michael Sean Sullivan's medical license number?

Michael Sullivan holds New York license 012773-1.

Which hospitals is Michael Sean Sullivan affiliated with?

Michael Sullivan practices at St. Francis Hospital & Heart Center in Roslyn, New York.

What medical group is Michael Sean Sullivan part of?

Michael Sullivan is linked to Cardiac Interventional Group. Dmand AI links Michael Sullivan to 1 more medical group.

Does Michael Sean Sullivan accept Medicare?

Yes. CMS lists Michael Sullivan as accepting Medicare assignment.

Has Michael Sean Sullivan received payments from drug or device companies?

CMS Open Payments shows $105 in general payments to Michael Sullivan from 3 companies from 2025 to 2025. The largest total came from Boston Scientific Corporation.

How long has Michael Sean Sullivan been practicing?

Michael Sullivan graduated from medical school in 2008, 18 years ago.

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