Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SEAN CORNELIUS GALLIGAN MD
NPI 1982995692
Internal Medicine - Interventional Cardiology in Brooklyn, NY

Q: What is Sean Galligan's NPI number?

The NPI number for Sean Galligan is 1982995692. It was assigned to this individual provider in the NPPES registry on April 28, 2011.

Q: What is Sean Galligan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Sean Galligan was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 28, 2011PECOS EnrolledAccepts Medicare Assignment

66.8/100

CMS Quality Rating

502 86TH ST, BROOKLYN, NY 11209(929) 470-8403 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 23, 2026, Oct 4, 2018 (2 updates tracked since 2018).

On this page

About Dr. Sean Cornelius Galligan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SEAN CORNELIUS GALLIGAN MD (NPI 1982995692) is an individual interventional cardiology provider in Brooklyn, New York, licensed in New York (292502) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Richmond University Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1982995692

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameDR. SEAN CORNELIUS GALLIGANCredential: MD

Location Address502 86TH STBrooklyn, NY 11209-5211

Mailing Address2649 Strang Blvd Ste 304Yorktown Heights, NY 10598-2938 · (646) 745-6369

Phone(929) 470-8403

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateApril 28, 2011

Last NPPES UpdateSeptember 23, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 23, 2026

✔ NPI 1982995692 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in NY · 292502

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedInternal MedicineTaxonomy 207R00000X · License 292502 (NY)

502 86TH ST, Brooklyn, NY 11209

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1800 Poly PlBrooklyn, NY 11209-7104 · Phone (718) 836-6600

Location 21058 Forest AveStaten Island, NY 10310-2419 · Phone (718) 818-7425

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sean Cornelius Galligan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658634217

PECOS Enrollment IDI20180412000719

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Sean Galligan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advantagecare Physicians PC

4.3 mi

Internal Medicine

1050 CLOVE RD, UCC
Staten Island, NY 10301

Reassigned Medicare billing, New York enrollment
724 clinicians in this Medicare group

NPI 1063954113 (646) 680-1525

Amboy Medical Practice PC

4.3 mi

Diagnostic Radiology

355 BARD AVE
Staten Island, NY 10310

Reassigned Medicare billing, New York enrollment
305 clinicians in this Medicare group

NPI 1104692672 (718) 818-1234

Cogent Medical Care PC

56 mi

Internal Medicine

101 HOSPITAL RD
East Patchogue, NY 11772

Reassigned Medicare billing, New York enrollment
640 clinicians in this Medicare group

NPI 1912941238 (631) 687-4131

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

210 services118 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

185 services127 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

148 services113 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

138 services137 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

95 services94 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

76 services75 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

57 services55 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

49 services33 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

37 services30 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

36 services36 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

36 services27 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

31 services25 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

26 services26 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

25 services25 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

22 services22 patients

Ultrasound of both sides of head and neck blood flow 93880

17 services17 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

16 services16 patients

Ultrasound of one leg arteries or artery grafts 93926

An ultrasound of leg arteries or artery grafts is a non-invasive test using sound waves to create images of your blood vessels. This helps doctors assess blood flow, identify blockages, and monitor the health of grafts.

13 services13 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

13 services13 patients

Ultrasound of leg arteries or artery grafts 93925

12 services11 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

12 services12 patients

Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 99236

This service involves a brief hospital stay for a serious health issue. Patients are admitted and discharged on the same day, typically within 55 minutes. It allows for close monitoring and immediate treatment, ensuring optimal care.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Richmond University Medical Center

Acute Care Hospitals · Staten Island, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330028

Location355 Bard AvenueStaten Island, NY 10310 · Richmond County

Emergency services Birthing friendly

Staten Island University Hospital

Acute Care Hospitals · Staten Island, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330160

Location475 Seaview AvenueStaten Island, NY 10305 · Richmond County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11209 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

66.8/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

83.27

Promoting Interoperability

0.55

Improvement Activities

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STEPHANIE ZILBERMAN MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

502 86TH ST
BROOKLYN, NY 11209

Kings County (929) 470-8402

RONAK PATEL

Nurse Practitioner (Family)

502 86TH ST
BROOKLYN, NY 11209

Kings County (718) 780-3800

DR. FRANCESCO ROTATORI M.D.

Internal Medicine (Interventional Cardiology)

502 86TH ST
BROOKLYN, NY 11209

Kings County (929) 470-8403

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sean Galligan's NPI number?

The NPI number for Sean Galligan is 1982995692. It was assigned to this individual provider in the NPPES registry on April 28, 2011.

Where is Sean Galligan located?

Sean Galligan practices at 502 86th St, Brooklyn, NY 11209. The listed phone number is (929) 470-8403.

What is Sean Galligan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Sean Galligan enrolled in Medicare?

Yes. Sean Galligan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Sean Galligan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Galligan reassigns Medicare benefits to 3 organizations: Advantagecare Physicians PC (Staten Island, NY), Amboy Medical Practice PC (Staten Island, NY) and Cogent Medical Care PC (East Patchogue, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Galligan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sean Galligan affiliated with any hospitals?

According to CMS data, Sean Galligan is affiliated with Richmond University Medical Center and Staten Island University Hospital.

When was this NPI record last updated?

The NPPES record for Sean Galligan was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.