GUY ROZEN MD
NPI 1871903377
Internal Medicine - Clinical Cardiac Electrophysiology in Boston, MA

Active since May 06, 2014PECOS EnrolledAccepts Medicare Assignment
860 WASHINGTON ST, BOSTON, MA 02111(617) 636-5902(617) 636-7830 Get Directions Write a Review

NPPES record last updated: April 19, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 19, 2026, Apr 11, 2023 (2 updates tracked since 2023).

About Guy Rozen Md NPPES

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

GUY ROZEN MD (NPI 1871903377) is an individual clinical cardiac electrophysiology provider in Boston, Massachusetts, licensed in Massachusetts (291880) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, is affiliated with Melrosewakefield Healthcare, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1871903377
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameGUY ROZENCredential: MD
Location Address860 WASHINGTON STBoston, MA 02111-1521
Mailing Address800 Washington StBoston, MA 02111-1552 · (617) 636-5902 · Fax (617) 636-7830
Fax(617) 636-7830
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateMay 6, 2014
Last NPPES UpdateApril 19, 20262 updates tracked since enumeration
NPPES CertifiedApril 19, 2026
NPI 1871903377 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
License Licensed in MA · 291880
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 Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 291880 (MA), L-259311 (MA)
860 WASHINGTON ST, Boston, MA 02111

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

Guy Rozen 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 ID446477699
PECOS Enrollment IDI20220711000580
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 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.
456 services376 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.
210 services150 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
161 services121 patients
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294
This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.
86 services47 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.
85 services56 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.
77 services75 patients

Hospital Affiliations CMS Care Compare 2

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

Melrosewakefield Healthcare

Acute Care Hospitals · Melrose, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220070
Location585 Lebanon StreetMelrose, MA 02176 · Middlesex County
Emergency services Birthing friendly

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 9

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

Audiologist
860 WASHINGTON ST
BOSTON, MA 02111
Social Worker (Clinical)
860 WASHINGTON ST
BOSTON, MA 02111
Otolaryngology
860 WASHINGTON ST
BOSTON, MA 02111
Physician Assistant
860 WASHINGTON ST
BOSTON, MA 02111
Physician Assistant
860 WASHINGTON ST
BOSTON, MA 02111
Radiology (Diagnostic Radiology)
860 WASHINGTON ST
BOSTON, MA 02111
Thoracic Surgery (Cardiothoracic Vascular Surgery)
860 WASHINGTON ST
BOSTON, MA 02111
Internal Medicine (Hematology & Oncology)
860 WASHINGTON ST
BOSTON, MA 02111

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 Guy Rozen's NPI number?

The NPI number for Guy Rozen is 1871903377. It was assigned to this individual provider in the NPPES registry on May 6, 2014.

Where is Guy Rozen located?

Guy Rozen practices at 860 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5902.

What is Guy Rozen's specialty?

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

Is Guy Rozen enrolled in Medicare?

Yes. Guy Rozen 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.

Is Guy Rozen affiliated with any hospitals?

According to CMS data, Guy Rozen is affiliated with Melrosewakefield Healthcare and Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for Guy Rozen was last updated on April 19, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.