Gary Gerstein, MD - Medicare Internal Medicine in Morristown, NJ

Gary Gerstein, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Morristown, New Jersey. His current practice location is 100 Madison Ave, Carol G Simon Cancer Center, Morristown, New Jersey. You can reach out to his office (for appointments etc.) via phone at (973) 538-5210.

Gary Gerstein is licensed to practice in New Jersey (license number 25MA03400900) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1689662769.

Contact Information

Gary Gerstein, MD
100 Madison Ave, Carol G Simon Cancer Center,
Morristown, NJ 07960-6136
(973) 538-5210
(973) 644-9657

Map and Direction




Physician's Profile

Full NameGary Gerstein
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location100 Madison Ave, Morristown, New Jersey
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1689662769
  • Provider Enumeration Date: 10/12/2005
  • Last Update Date: 02/25/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 9335134139
  • Enrollment ID: I20160229000300

Medical Identifiers

Medical identifiers for Gary Gerstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689662769NPI-NPPES
2354900MedicaidNJ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 25MA03400900 (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. Gary Gerstein 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
Gary Gerstein, MD
54 Duncan Ave, Po Box 1089,
Jersey City, NJ 07304-2102

Ph: (973) 476-7636
Gary Gerstein, MD
100 Madison Ave, Carol G Simon Cancer Center,
Morristown, NJ 07960-6136

Ph: (973) 538-5210

Reviews and Comments


Internal Medicine Doctors in Morristown, NJ

Richard I Watson, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 435 South St, Ste 100, Morristown, NJ 07960
Phone: 973-267-3944    Fax: 973-455-0399
Donna Astiz, MD
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 100 Madison Ave, Morristown, NJ 07960
Phone: 973-971-5595    
Carolina Cabral, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 100 Madison Ave, Morristown, NJ 07960
Phone: 973-971-5000    
Dr. Ahsan Mahmood Kazmi, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 55 Madison Ave, Morristown, NJ 07960
Phone: 973-867-6565    
Jeffrey G Schwartz, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 435 South St, Suite 100, Morristown, NJ 07960
Phone: 973-267-3944    Fax: 973-455-0399
Christine Gerges, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 100 Madison Ave, Morristown, NJ 07960
Phone: 973-971-4287    
Aisha Masood, M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 100 Madison Avenue, Carol G Simon Cancer Center- 2nd Floor, Morristown, NJ 07960
Phone: 973-971-7960    Fax: 973-898-1640

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.

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