GREGORY JAMES CUNN MD
NPI 1154715183
Internal Medicine - Clinical Cardiac Electrophysiology in Brooklyn, NY

Q: What is Gregory Cunn's NPI number?

The NPI number for Gregory Cunn is 1154715183. It was assigned to this individual provider in the NPPES registry on March 27, 2015.

Q: What is Gregory Cunn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Cunn was last updated on December 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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 March 27, 2015PECOS EnrolledAccepts Medicare Assignment

506 6TH ST, BROOKLYN, NY 11215(718) 780-3000 Get Directions Write a Review

NPPES record last updated: December 12, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 12, 2023, May 10, 2021, Oct 18, 2019 (3 updates tracked since 2019).

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About Gregory James Cunn Md NPPES

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

GREGORY JAMES CUNN MD (NPI 1154715183) is an individual clinical cardiac electrophysiology provider in Brooklyn, New York, licensed in New York (301397) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Maimonides Medical Center, and maintains a secondary practice location in Albany.

NPPES Registry Identity

NPI1154715183

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameGREGORY JAMES CUNNCredential: MD

Location Address506 6TH STBrooklyn, NY 11215-3609

Mailing Address506 6th StBrooklyn, NY 11215-3609

Phone(718) 780-3000

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateMarch 27, 2015

Last NPPES UpdateDecember 12, 20233 updates tracked since enumeration

NPPES CertifiedDecember 12, 2023

✔ NPI 1154715183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

License✔ Licensed in NY · 301397

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

Also ListedInternal MedicineTaxonomy 207R00000X · License 301397 (NY)

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 301397 (NY)

506 6TH ST, Brooklyn, NY 11215

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Secondary Practice Location 1

Location 1315 South Manning Blvd, St. Peter's Hospital Critical Care UnitAlbany, NY 12208 · Phone (518) 525-1703

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

Gregory James Cunn 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 ID3375875875

PECOS Enrollment IDI20191104000594

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 Gregory Cunn reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Maimonides Cardiology Fpp

2.2 mi

Cardiovascular Disease

4802 10TH AVE
Brooklyn, NY 11219

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

NPI 1477803385 (718) 283-8773

Maimonides Faculty Practice Plan

2.2 mi

Internal Medicine

4802 10TH AVE
Brooklyn, NY 11219

Reassigned Medicare billing, New York enrollment
1,177 clinicians in this Medicare group

NPI 1053344846 (718) 283-8700

Advantagecare Physicians PC

7.6 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

North Shore - Lij Medical PC

15 mi

Internal Medicine

270-05 76TH AVE
New Hyde Park, NY 11040

Reassigned Medicare billing, New York enrollment
9,353 clinicians in this Medicare group

NPI 1790043479 (516) 465-8089

St. Peter's Hospital Of The City Of Albany

136 mi

Internal Medicine

53 COLUMBIA STREET
Rensselaer, NY 12144

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: St Peters Hospital Of The City Of Albany
623 clinicians in this Medicare group

NPI 1487725750 (518) 434-2526

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 24

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.

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.

1,332 services985 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.

104 services73 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.

93 services64 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.

73 services73 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

52 services51 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

48 services36 patients

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

39 services39 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.

39 services27 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

38 services29 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.

27 services27 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.

27 services27 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.

27 services16 patients

Insertion of pacemaker and upper and lower heart chamber electrode 33208

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

26 services26 patients

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

23 services20 patients

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

21 services21 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

19 services19 patients

Insertion of heart rhythm monitor under skin 33285

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

18 services18 patients

Programming of cardiac rhythm monitor system 93285

Programming of a cardiac rhythm monitor system involves setting up a device to track your heart's activity. This helps identify irregular heartbeats or rhythms. The data collected assists your healthcare team in making accurate treatment decisions.

18 services15 patients

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.

18 services16 patients

Programming of single lead pacemaker system 93279

Programming of a single lead pacemaker system involves adjusting the pacemaker's settings to suit your heart's unique needs. This is done using a special device that communicates with the pacemaker, ensuring it helps your heart beat at an optimal rate.

17 services15 patients

Insertion of permanent leadless pacemaker using imaging guidance 33274

A permanent leadless pacemaker is a small device placed in the heart to regulate its rhythm. Using imaging guidance, the pacemaker is inserted through a vein in the leg, traveling up to the heart. It's a less invasive procedure than traditional pacemaker implantation.

16 services16 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation 93656

This is a procedure to treat atrial fibrillation, a condition causing irregular heartbeats. It involves a detailed heart evaluation using electrophysiology. A catheter is then used to destroy the problematic area causing the issue. Specifically, isolation of the pulmonary vein is done to regulate the heartbeat.

16 services16 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.

14 services14 patients

Insertion of implantable defibrillator system 33249

The insertion of an implantable defibrillator system is a procedure to manage irregular heart rhythms. A small device is placed under your skin, which monitors your heart rate. If it detects an abnormal rhythm, it sends an electrical pulse to restore normal heartbeat.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Maimonides Medical Center

Acute Care Hospitals · Brooklyn, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330194

Location4802 Tenth AvenueBrooklyn, NY 11219 · Kings County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11215 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.

Other Providers at the Same Location NPPES 20

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

DR. VIVIAN JOLLEY BEA M.D.

Surgery

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-3288

YANJIN YANG

Internal Medicine

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-3000

JOY THERESE MULLEN RN, NP

Nurse Practitioner (Adult Health)

506 6TH ST, EP2
BROOKLYN, NY 11215

Kings County (718) 780-5040

ASHWAD AFZAL M.D.

Internal Medicine

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-5246

DR. DANIAH ALBOKHARI M.D.

Student in an Organized Health Care Education/Training Program

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-5260

SASIS SIRIKANJANAPONG

Pathology (Anatomic Pathology)

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-3634

DR. DANIELLE ABADI MD

Pediatrics

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-5260

KOREN H KWAG MD

Student in an Organized Health Care Education/Training Program

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-3000

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 Gregory Cunn's NPI number?

The NPI number for Gregory Cunn is 1154715183. It was assigned to this individual provider in the NPPES registry on March 27, 2015.

Where is Gregory Cunn located?

Gregory Cunn practices at 506 6th St, Brooklyn, NY 11215. The listed phone number is (718) 780-3000.

What is Gregory Cunn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Gregory Cunn enrolled in Medicare?

Yes. Gregory Cunn 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 Gregory Cunn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Cunn reassigns Medicare benefits to 5 organizations: Maimonides Cardiology Fpp (Brooklyn, NY), Maimonides Faculty Practice Plan (Brooklyn, NY), Advantagecare Physicians PC (Staten Island, NY), North Shore - Lij Medical PC (New Hyde Park, NY) and St. Peter's Hospital Of The City Of Albany (Rensselaer, 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 Gregory Cunn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Gregory Cunn affiliated with any hospitals?

According to CMS data, Gregory Cunn is affiliated with Maimonides Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Cunn was last updated on December 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.