Ronald D Massari, MD - Medicare Cardiovascular Disease (cardiology) in Mountain Lakes, NJ

Ronald D Massari, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Mountain Lakes, New Jersey. He went to Rutgers R W Johnson Medical School (cam/new Bruns/pisc) and graduated in 1988 and has 36 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Practice Associates Medical Group and his current practice location is 356 Route 46 E, Mountain Lakes, New Jersey. You can reach out to his office (for appointments etc.) via phone at (973) 586-3400.

Ronald D Massari is licensed to practice in New Jersey (license number 25MA05382900) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1073510640.

Contact Information

Ronald D Massari, MD
356 Route 46 E,
Mountain Lakes, NJ 07046-1717
(973) 586-3400
(973) 586-1916

Map and Direction




Physician's Profile

Full NameRonald D Massari
GenderMale
SpecialityCardiovascular Disease (cardiology)
Experience36 Years
Location356 Route 46 E, Mountain Lakes, New Jersey
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ronald D Massari attended and graduated from Rutgers R W Johnson Medical School (cam/new Bruns/pisc) in 1988
  NPI Data:
  • NPI Number: 1073510640
  • Provider Enumeration Date: 06/28/2005
  • Last Update Date: 02/03/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 8224199450
  • Enrollment ID: I20100903000803

Medical Identifiers

Medical identifiers for Ronald D Massari such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073510640NPI-NPPES
6297307MedicaidNJ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease 25MA05382900 (New Jersey)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Saint Clare's Hospital/ Denville CampusDenville, NJHospital
Morristown Medical CenterMorristown, NJHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Practice Associates Medical Group58907031771174

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ronald D Massari allows following entities to bill medicare on his behalf.
Entity NamePractice Associates Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427016385
PECOS PAC ID: 5890703177
Enrollment ID: O20060330000690
Entity NameCardiology Consultants Of North Morris, P.a.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427056217
PECOS PAC ID: 3173699956
Enrollment ID: O20081206000074

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Ronald D Massari is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Ronald D Massari, MD
Po Box 416457,
Boston, MA 02241-6457

Ph: () -
Ronald D Massari, MD
356 Route 46 E,
Mountain Lakes, NJ 07046-1717

Ph: (973) 586-3400

Reviews and Comments


Internal Medicine Doctors in Mountain Lakes, NJ

Christopher Michael Tully,
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 333 Route 46 W, Mountain Lakes, NJ 07046
Phone: 973-316-1701    Fax: 973-316-1708
Keith S Leibowitz, DO
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 415 Boulevard, Mountain Lakes, NJ 07046
Phone: 973-334-7700    Fax: 973-402-5847
Paul D Derenzi, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 415 Boulevard, Mountain Lakes, NJ 07046
Phone: 973-334-7700    Fax: 973-402-5847
Philip S Rogers, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 415 Boulevard, Mountain Lakes, NJ 07046
Phone: 973-334-7700    Fax: 973-402-5847
Hyeun S Park, MD
Cardiovascular Disease
Medicare: Medicare Enrolled
Practice Location: 415 Boulevard, Mountain Lakes, NJ 07046
Phone: 973-334-7700    Fax: 973-334-7116
Dr. Muhammad R. Abbasi, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 333 Route 46 W, Mountain Lakes, NJ 07046
Phone: 973-316-1701    Fax: 973-316-1708

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.