SEAN MICHAEL DWYER M.D.
NPI 1346248044
Internal Medicine - Cardiovascular Disease in Chevy Chase, MD

Q: What is Sean Dwyer's NPI number?

The NPI number for Sean Dwyer is 1346248044. It was assigned to this individual provider in the NPPES registry on July 7, 2005.

Q: What is Sean Dwyer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Sean Dwyer was last updated on October 26, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 July 07, 2005PECOS EnrolledAccepts Medicare Assignment

5454 WISCONSIN AVE, SUITE 925, CHEVY CHASE, MD 20815(301) 657-1682(301) 951-8036 Get Directions Write a Review

NPPES record last updated: October 26, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Sean Michael Dwyer M.d. NPPES

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

SEAN MICHAEL DWYER M.D. (NPI 1346248044) is an individual cardiovascular disease provider in Chevy Chase, Maryland, licensed in Maryland (D25818) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Southwestern Vermont Medical Center, and is a graduate of Georgetown University School Of Medicine (1976).

NPPES Registry Identity

NPI1346248044

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameSEAN MICHAEL DWYERCredential: M.D.

Location Address5454 WISCONSIN AVE, SUITE 925Chevy Chase, MD 20815-6901

Mailing Address5454 Wisconsin Ave, Suite 925Chevy Chase, MD 20815-6901 · (301) 657-1682 · Fax (301) 951-8036

Phone(301) 657-1682

Fax(301) 951-8036

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 1976

Enumeration DateJuly 7, 2005

Last NPPES UpdateOctober 26, 2007

✔ NPI 1346248044 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in MD · D25818

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

5454 WISCONSIN AVE, Chevy Chase, MD 20815

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Other Identifiers 3

Medicare PIN197792

Medicare UPINB94400MD

Medicare PIN013810S12MD

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sean Michael Dwyer M.d. 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 ID6901896521

PECOS Enrollment IDI20221209000137, I20240201003738

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.

Areas of Expertise CMS Part B claims 4

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.

198 services152 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.

136 services105 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.

48 services48 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.

20 services20 patients

Hospital Affiliations CMS Care Compare

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

Southwestern Vermont Medical Center

Acute Care Hospitals · Bennington, VT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number470012

Location100 Hospital DriveBennington, VT 05201 · Bennington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20815 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$80.66 typical visit price

range $21.40 – $158.88

Typical copayment $20.16 (range $5.35 – $39.72)

Most-billed visit code 99213

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.

MEDSTAR MEDICAL GROUP II LLC

General Practice

5454 WISCONSIN AVE, BARLOW BUILDING, 11TH FLOOR
CHEVY CHASE, MD 20815

Montgomery County (855) 605-2225

DR. MICHAEL LLOYD GITTLESON DPM

Podiatrist

5454 WISCONSIN AVE, #1250
CHEVY CHASE, MD 20815

Montgomery County (301) 986-4900

DR. RANDALL JEFFREY LEWIS M.D.

Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)

5454 WISCONSIN AVE, SUITE 1000
CHEVY CHASE, MD 20815

Montgomery County (301) 657-1996

DR. I-JUN LIN-KUNG D.D.S.

Dentist (General Practice)

5454 WISCONSIN AVE, SUITE 635
CHEVY CHASE, MD 20815

Montgomery County (301) 986-1988

WASHINGTON EYE PHYSICIANS & SURGEONS, P.C.

Ophthalmology

5454 WISCONSIN AVE, STE 950
CHEVY CHASE, MD 20815

Montgomery County (301) 657-5700

MR. KEVIN A HARDY DPT

Physical Therapist

5454 WISCONSIN AVE, SUITE 600- PHYSICAL THERAPY
CHEVY CHASE, MD 20815

Montgomery County (301) 942-0442

VIVIAN M FRAGA M.D.

Obstetrics & Gynecology

5454 WISCONSIN AVE, SUITE 1005
CHEVY CHASE, MD 20815

Montgomery County (301) 654-2182

DR. DESPINA M MARKOGIANNAKIS DDS

Dentist

5454 WISCONSIN AVE, SUITE 835
CHEVY CHASE, MD 20815

Montgomery County (301) 652-0656

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 Dwyer's NPI number?

The NPI number for Sean Dwyer is 1346248044. It was assigned to this individual provider in the NPPES registry on July 7, 2005.

Where is Sean Dwyer located?

Sean Dwyer practices at 5454 Wisconsin Ave Suite 925, Chevy Chase, MD 20815. The listed phone number is (301) 657-1682.

What is Sean Dwyer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Sean Dwyer enrolled in Medicare?

Yes. Sean Dwyer 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.

What insurance does Sean Dwyer accept?

Health plans from Anthem Blue Cross and Blue Shield list Sean Dwyer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Sean Dwyer affiliated with any hospitals?

According to CMS data, Sean Dwyer is affiliated with Southwestern Vermont Medical Center.

When was this NPI record last updated?

The NPPES record for Sean Dwyer was last updated on October 26, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.