Leonard A Grossman, MD - Medicare in Princeton, NJ

Leonard A Grossman, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Princeton, New Jersey. His current practice location is 419 N Harrison St, Princeton, New Jersey. You can reach out to his office (for appointments etc.) via phone at (609) 924-9300.

Leonard A Grossman is licensed to practice in New Jersey (license number 25MA03747400) 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 1578600136.

Contact Information

Leonard A Grossman, MD
419 N Harrison St,
Princeton, NJ 08540-3521
(609) 924-9300
(609) 430-9481

Map and Direction




Physician's Profile

Full NameLeonard A Grossman
GenderMale
Speciality
Experience Years
Location419 N Harrison St, Princeton, 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:
  • Leonard A Grossman attended and graduated from in
  NPI Data:
  • NPI Number: 1578600136
  • Provider Enumeration Date: 01/31/2007
  • Last Update Date: 03/12/2008
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Leonard A Grossman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1578600136NPI-NPPES
0419803000OtherAMERIHLTH IBC PCP SPEC.
1547974OtherUNITED HEALTH CARE
160052226OtherRAILROAD MEDICARE
P441630OtherOXFORD PCP
854535OtherAETNA PCP
1651404MedicaidNJ
597405OtherAMERIHLTH ADMIN PCP SPEC
2195157OtherAETNA SPECIALTY
P1308108OtherOXFORD SPECIALTY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 25MA03747400 (New Jersey)Primary

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. Leonard A Grossman 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
Leonard A Grossman, MD
419 N Harrison St,
Princeton, NJ 08540-3521

Ph: (609) 924-9300
Leonard A Grossman, MD
419 N Harrison St,
Princeton, NJ 08540-3521

Ph: (609) 924-9300

Reviews and Comments


Internal Medicine Doctors in Princeton, NJ

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Dr. Andrew Costin, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 419 N Harrison St, Princeton, NJ 08540
Phone: 609-924-9300    Fax: 609-430-9481

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.