DR. GREGORY M ZIOLO M.D.
NPI 1972503001
Internal Medicine - Cardiovascular Disease in Morristown, NJ

Q: What is Gregory Ziolo's NPI number?

The NPI number for Gregory Ziolo is 1972503001. It was assigned to this individual provider in the NPPES registry on July 29, 2005.

Q: What is Gregory Ziolo'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 Gregory Ziolo was last updated on February 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 29, 2005PECOS EnrolledAccepts Medicare Assignment

95 MADISON AVE, SUITE B01, MORRISTOWN, NJ 07960(973) 898-1220(973) 898-1496 Get Directions Write a Review

NPPES record last updated: February 23, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Gregory M Ziolo M.d. NPPES

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

DR. GREGORY M ZIOLO M.D. (NPI 1972503001) is an individual cardiovascular disease provider in Morristown, New Jersey, licensed in New Jersey (25MA06647600) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with St Mary's General Hospital, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1972503001

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. GREGORY M ZIOLOCredential: M.D.

Location Address95 MADISON AVE, SUITE B01Morristown, NJ 07960-6092

Mailing AddressPo Box 416457Boston, MA 02241-6457

Phone(973) 898-1220

Fax(973) 898-1496

Sole ProprietorNo

Medical School CMSOtherGraduated 1991

Enumeration DateJuly 29, 2005

Last NPPES UpdateFebruary 23, 2016

✔ NPI 1972503001 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 NJ · 25MA06647600

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.

95 MADISON AVE, Morristown, NJ 07960

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Other Identifiers 5

Medicaid8459606NJ

Medicare ID-Type Unspecified025081NJ

Medicare ID-Type Unspecified043488M4NNJ

Medicare UPINH27700NJ

Medicaid8459703NJ

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

Dr. Gregory M Ziolo 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 ID4688778806

PECOS Enrollment IDI20100910000706

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 18

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 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.

1,818 services799 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.

1,607 services815 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.

431 services418 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.

410 services355 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.

246 services92 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

184 services178 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.

127 services127 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

117 services117 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.

102 services102 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

83 services81 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.

79 services65 patients

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

43 services42 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.

40 services37 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

39 services38 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

37 services36 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

33 services33 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

33 services33 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.

21 services13 patients

Hospital Affiliations CMS Care Compare 4

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

St Mary's General Hospital

Acute Care Hospitals · Passaic, NJ

3/5 CMS rating

OwnershipProprietary

CMS Certification Number310006

Location350 BoulevardPassaic, NJ 07055 · Passaic County

Emergency services Birthing friendly

Morristown Medical Center

Acute Care Hospitals · Morristown, NJ

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310015

Location100 Madison AveMorristown, NJ 07960 · Morris County

Emergency services Birthing friendly

Chilton Medical Center

Acute Care Hospitals · Pompton Plains, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310017

Location97 West ParkwayPompton Plains, NJ 07444 · Morris County

Emergency services Birthing friendly

Newton Medical Center

Acute Care Hospitals · Newton, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310028

Location175 High StNewton, NJ 07860 · Sussex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07960 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

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$79.09 typical visit price

range $20.97 – $155.92

Typical copayment $19.77 (range $5.24 – $38.98)

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.

DR. DAVID JOEL MEDFORD MD

Ophthalmology

95 MADISON AVE, SUITE 400
MORRISTOWN, NJ 07960

Morris County (973) 984-5005

SURGICAL SPECIALISTS OF NEW JERSEY

Specialist

95 MADISON AVE, SUITE 109
MORRISTOWN, NJ 07960

Morris County (976) 539-6900

MR. JACQUELINE ELIZABETH FEARON-CLARKE NURSE PRACTITIONER

Nurse Practitioner (Acute Care)

95 MADISON AVE, SUITE 411
MORRISTOWN, NJ 07960

Morris County (973) 971-4179

JULIANNA SHER OD

Optometrist

95 MADISON AVE
MORRISTOWN, NJ 07960

Morris County (973) 718-5780

DAVID I FREILICH MD

Internal Medicine (Interventional Cardiology)

95 MADISON AVE, STE A10
MORRISTOWN, NJ 07960

Morris County (973) 889-9001

SUMMIT MEDICAL GROUP PA

Durable Medical Equipment & Medical Supplies

95 MADISON AVE
MORRISTOWN, NJ 07960

Morris County (973) 524-7004

MICHELLE THURLOW

Physician Assistant (Surgical)

95 MADISON AVE
MORRISTOWN, NJ 07960

Morris County (908) 389-6340

PRIMARY CARE PARTNERS, LLC

Internal Medicine

95 MADISON AVE, SUITE A00
MORRISTOWN, NJ 07960

Morris County (973) 538-1388

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 Ziolo's NPI number?

The NPI number for Gregory Ziolo is 1972503001. It was assigned to this individual provider in the NPPES registry on July 29, 2005.

Where is Gregory Ziolo located?

Gregory Ziolo practices at 95 Madison Ave Suite B01, Morristown, NJ 07960. The listed phone number is (973) 898-1220.

What is Gregory Ziolo's specialty?

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

Is Gregory Ziolo enrolled in Medicare?

Yes. Gregory Ziolo 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 Gregory Ziolo affiliated with any hospitals?

According to CMS data, Gregory Ziolo is affiliated with St Mary's General Hospital, Morristown Medical Center, Chilton Medical Center and Newton Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Ziolo was last updated on February 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.