GRZEGORZ P ROZMUS MD
NPI 1871576967
Internal Medicine - Clinical Cardiac Electrophysiology in Williamsville, NY

Active since November 22, 2005PECOS EnrolledAccepts Medicare Assignment
6460 MAIN ST, BUFFALO CARDIOLOGY AND PULMONARY ASSOC PC, WILLIAMSVILLE, NY 14221(716) 634-5100(716) 634-5134 Get Directions Write a Review

NPPES record last updated: February 12, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Grzegorz P Rozmus Md NPPES

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

GRZEGORZ P ROZMUS MD (NPI 1871576967) is an individual clinical cardiac electrophysiology provider in Williamsville, New York, licensed in New York (229790) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1871576967
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameGRZEGORZ P ROZMUSCredential: MD
Location Address6460 MAIN ST, BUFFALO CARDIOLOGY AND PULMONARY ASSOC PCWilliamsville, NY 14221-5838
Mailing Address6460 Main StWilliamsville, NY 14221-5838 · (716) 634-5100 · Fax (716) 634-5134
Fax(716) 634-5134
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateNovember 22, 2005
Last NPPES UpdateFebruary 12, 2010
✔ NPI 1871576967 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 NY · 229790
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 229790 (NY)
6460 MAIN ST, Williamsville, NY 14221

Other Identifiers 6

Medicare UPINI05186
Other00026835602NY · Blue Cross Community Blue
Medicare ID-Type UnspecifiedRA6897NY
Other2112948NY · Independent Health
Other00026835602NY · Univera
Medicaid2516925NY

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

Grzegorz P Rozmus 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 ID1254315690
PECOS Enrollment IDI20040615000386
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

5

Medicare enrollment records show Grzegorz Rozmus reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthopaedic Surgery
192 PARK CLUB LANE, SUITE 100
Williamsville, NY 14221
  • Reassigned Medicare billing, New York enrollment
  • 332 clinicians in this Medicare group
General Acute Care Hospital
2605 HARLEM RD
Cheektowaga, NY 14225
  • Reassigned Medicare billing, New York enrollment
  • 515 clinicians in this Medicare group
Rehabilitation Unit
2950 ELMWOOD AVE
Kenmore, NY 14217
  • Reassigned Medicare billing, New York enrollment
  • 271 clinicians in this Medicare group
Neurology
565 ABBOTT RD
Buffalo, NY 14220
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Mercy Hospital Of Buffalo
  • 499 clinicians in this Medicare group
General Acute Care Hospital
5300 MILITARY RD
Lewiston, NY 14092
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Mount St. Marys Hospital Of Niagara Falls
  • 289 clinicians in this Medicare group

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 12

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 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.
321 services197 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.
165 services100 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.
84 services79 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.
78 services77 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.
36 services24 patients
Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298
This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.
33 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Kaleida Health

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330005
Location100 High StreetBuffalo, NY 14210 · Erie County
Emergency services Birthing friendly

Sisters Of Charity Hospital

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330078
Location2157 Main StreetBuffalo, NY 14214 · Erie County
Emergency services Birthing friendly

Kenmore Mercy Hospital

Acute Care Hospitals · Kenmore, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330102
Location2950 Elmwood AvenueKenmore, NY 14217 · Erie County
Emergency services

Mount St. Mary's Hospital & Health Center

Acute Care Hospitals · Lewiston, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330188
Location5300 Military RoadLewiston, NY 14092 · Niagara County
Emergency services Birthing friendly

Mercy Hospital Of Buffalo

Acute Care Hospitals · Buffalo, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330279
Location565 Abbott RoadBuffalo, NY 14220 · Erie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
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 13

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

Internal Medicine (Cardiovascular Disease)
6460 MAIN ST
WILLIAMSVILLE, NY 14221
Internal Medicine (Pulmonary Disease)
6460 MAIN ST, BUFFALO CARDIOLOGY & PULMONARY ASSOC PC
WILLIAMSVILLE, NY 14221
Physician Assistant
6460 MAIN ST
WILLIAMSVILLE, NY 14221
Internal Medicine (Interventional Cardiology)
6460 MAIN ST, BUFFALO CARDIOLOGY & PULMANARY ASSOC PC
WILLIAMSVILLE, NY 14221
Internal Medicine (Cardiovascular Disease)
6460 MAIN ST, BUFFALO CARDIOLOGY & PULMANARY ASSOC PC
WILLIAMSVILLE, NY 14221
Internal Medicine (Pulmonary Disease)
6460 MAIN ST
WILLIAMSVILLE, NY 14221
Nurse Practitioner
6460 MAIN ST
WILLIAMSVILLE, NY 14221
Health Educator
6460 MAIN ST
WILLIAMSVILLE, NY 14221

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 Grzegorz Rozmus's NPI number?

The NPI number for Grzegorz Rozmus is 1871576967. It was assigned to this individual provider in the NPPES registry on November 22, 2005.

Where is Grzegorz Rozmus located?

Grzegorz Rozmus practices at 6460 Main St Buffalo Cardiology And Pulmonary Assoc PC, Williamsville, NY 14221. The listed phone number is (716) 634-5100.

What is Grzegorz Rozmus's specialty?

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

Is Grzegorz Rozmus enrolled in Medicare?

Yes. Grzegorz Rozmus 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 Grzegorz Rozmus's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grzegorz Rozmus reassigns Medicare benefits to 5 organizations: Trinity Medical Wny PC (Williamsville, NY), Sisters Of Charity Hospital Of Buffalo New York (Cheektowaga, NY), Kenmore Mercy Hospital (Kenmore, NY), Chs Neuroscience Group (Buffalo, NY) and Mount St. Mary's Hospital Of Niagara Falls (Lewiston, 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 Grzegorz Rozmus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Grzegorz Rozmus affiliated with any hospitals?

According to CMS data, Grzegorz Rozmus is affiliated with Kaleida Health, Sisters Of Charity Hospital, Kenmore Mercy Hospital, Mount St. Mary's Hospital & Health Center and Mercy Hospital Of Buffalo.

When was this NPI record last updated?

The NPPES record for Grzegorz Rozmus was last updated on February 12, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.