PAUL D DERENZI MD
NPI 1164411773
Internal Medicine - Cardiovascular Disease in Mountain Lakes, NJ

Q: What is Paul Derenzi's NPI number?

The NPI number for Paul Derenzi is 1164411773. It was assigned to this individual provider in the NPPES registry on October 17, 2005.

Q: What is Paul Derenzi'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 Paul Derenzi was last updated on March 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 October 17, 2005PECOS EnrolledAccepts Medicare Assignment

415 BOULEVARD, MOUNTAIN LAKES, NJ 07046(973) 334-7700(973) 402-5847 Get Directions Write a Review

NPPES record last updated: March 22, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Paul D Derenzi Md NPPES

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

PAUL D DERENZI MD (NPI 1164411773) is an individual cardiovascular disease provider in Mountain Lakes, New Jersey, licensed in New Jersey (MA59234) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Yale University School Of Medicine (1986).

NPPES Registry Identity

NPI1164411773

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NamePAUL D DERENZICredential: MD

Location Address415 BOULEVARDMountain Lakes, NJ 07046-1723

Mailing AddressPo Box 416457Boston, MA 02241-6457 · (844) 362-1735 · Fax (973) 290-7495

Phone(973) 334-7700

Fax(973) 402-5847

Sole ProprietorNo

Medical School CMSYale University School Of MedicineGraduated 1986

Enumeration DateOctober 17, 2005

Last NPPES UpdateMarch 22, 2021

NPPES CertifiedMarch 22, 2021

✔ NPI 1164411773 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in NJ · MA59234

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.

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License MA059234 (NJ)

415 BOULEVARD, Mountain Lakes, NJ 07046

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Other Identifiers 1

Medicaid6565701NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

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

Paul D Derenzi 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 ID8527095199

PECOS Enrollment IDI20050912000831

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 Paul Derenzi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Health Consultants, P.A.

6.7 mi

Legal Medicine

100 MADISON AVE
Morristown, NJ 07960

Reassigned Medicare billing, New Jersey enrollment
161 clinicians in this Medicare group

NPI 1437291739 (732) 919-3590

Practice Associates Medical Group

6.7 mi

Internal Medicine

100 MADISON AVENUE, INTEROFFICE #68
Morristown, NJ 07960

Reassigned Medicare billing, New Jersey enrollment
1,699 clinicians in this Medicare group

NPI 1427016385 (844) 264-2250

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 20

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 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.

1,474 services684 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.

1,127 services862 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.

642 services156 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.

573 services493 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

289 services46 patients

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

258 services43 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.

211 services209 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.

202 services92 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.

140 services123 patients

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

123 services121 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.

108 services108 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

45 services44 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.

41 services41 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

36 services36 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.

28 services11 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.

23 services23 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.

22 services22 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

22 services18 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

13 services13 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

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

Saint Clare's Hospital/ Denville Campus

Acute Care Hospitals · Denville, NJ

3/5 CMS rating

OwnershipProprietary

CMS Certification Number310050

Location25 Pocono RoadDenville, NJ 07834 · Morris County

Emergency services Birthing friendly

Hackettstown Medical Center

Acute Care Hospitals · Hackettstown, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310115

Location651 Willow Grove StHackettstown, NJ 07840 · Warren County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07046 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

1 supplier11 claims11 services$11.17 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 8

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

LAKELAND CARDIOLOGY CENTER, PA

Specialist

415 BOULEVARD
MOUNTAIN LAKES, NJ 07046

Morris County (973) 334-7700

KEITH S LEIBOWITZ DO

Internal Medicine (Cardiovascular Disease)

415 BOULEVARD
MOUNTAIN LAKES, NJ 07046

Morris County (973) 334-7700

PHILIP S ROGERS MD

Internal Medicine (Cardiovascular Disease)

415 BOULEVARD
MOUNTAIN LAKES, NJ 07046

Morris County (973) 334-7700

HYEUN S PARK MD

Internal Medicine (Cardiovascular Disease)

415 BOULEVARD
MOUNTAIN LAKES, NJ 07046

Morris County (973) 334-7700

MICHAEL MALAGOLD MD

Internal Medicine (Cardiovascular Disease)

415 BOULEVARD
MOUNTAIN LAKES, NJ 07046

Morris County (973) 334-7700

PHILLIP RUISI DO

Internal Medicine (Interventional Cardiology)

415 BOULEVARD
MOUNTAIN LAKES, NJ 07046

Morris County (973) 334-7700

MICHAEL D BLICK MD

Internal Medicine (Cardiovascular Disease)

415 BOULEVARD
MOUNTAIN LAKE, NJ 07046

Morris County (973) 334-7700

SHEIKH MARIE NAEEM MD

Internal Medicine (Cardiovascular Disease)

415 BOULEVARD
MOUNTAIN LAKES, NJ 07046

Morris County (973) 334-7700

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 Paul Derenzi's NPI number?

The NPI number for Paul Derenzi is 1164411773. It was assigned to this individual provider in the NPPES registry on October 17, 2005.

Where is Paul Derenzi located?

Paul Derenzi practices at 415 Boulevard, Mountain Lakes, NJ 07046. The listed phone number is (973) 334-7700.

What is Paul Derenzi's specialty?

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

Is Paul Derenzi enrolled in Medicare?

Yes. Paul Derenzi 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 Paul Derenzi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Paul Derenzi reassigns Medicare benefits to 2 organizations: Cardiovascular Health Consultants, P.A. (Morristown, NJ) and Practice Associates Medical Group (Morristown, NJ). 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 Paul Derenzi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Paul Derenzi accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Paul Derenzi 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 Paul Derenzi affiliated with any hospitals?

According to CMS data, Paul Derenzi is affiliated with Morristown Medical Center, Chilton Medical Center, Newton Medical Center, Saint Clare's Hospital/ Denville Campus and Hackettstown Medical Center.

When was this NPI record last updated?

The NPPES record for Paul Derenzi was last updated on March 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.