Dr Lillian Alt, MD - Medicare Internal Medicine in Morristown, NJ

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Dr Lillian Alt, MD is a medicare enrolled "Nurse Practitioner - Gerontology" physician in Morristown, New Jersey. She graduated from medical school in 1991 and has 35 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Rwjbh Emergency Medicine Associates, Llc and her current practice location is 100 Madison Ave, Morristown, New Jersey. You can reach out to her office (for appointments etc.) via phone at (856) 839-8691.

Dr Lillian Alt is licensed to practice in New Jersey (license number 26NJ00731200) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1619192028.

Contact Information

Dr Lillian Alt, MD
100 Madison Ave,
Morristown, NJ 07960-6136
(856) 839-8691
Not Available

Map and Direction




Physician's Profile

Full NameDr Lillian Alt
GenderFemale
SpecialityInternal Medicine
Experience35 Years
Location100 Madison Ave, Morristown, New Jersey
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Lillian Alt graduated from medical school in 1991
  NPI Data:
  • NPI Number: 1619192028
  • Provider Enumeration Date: 04/13/2007
  • Last Update Date: 04/15/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 3072649763
  • Enrollment ID: I20130702000078

Medical Identifiers

Medical identifiers for Dr Lillian Alt such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619192028NPI-NPPES
8068909MedicaidNJ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery 25MA06768200 (New Jersey)Secondary
363LG0600XNurse Practitioner - Gerontology 26NJ00731200 (New Jersey)Primary
208M00000XHospitalist 25MA06768200 (New Jersey)Secondary
207RA0201XInternal Medicine - Allergy & Immunology 25MA06768200 (New Jersey)Secondary
207R00000XInternal Medicine 25MA06768200 (New Jersey)Secondary
207R00000XInternal Medicine D69969 (Maryland)Secondary
207RA0401XInternal Medicine - Addiction Medicine 25MA6768200 (New Jersey)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Monmouth Medical Center - Southern CampusLakewood, NJHospital
Community Medical CenterToms river, NJHospital
Robert Wood Johnson University HospitalNew brunswick, NJHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rwjbh Emergency Medicine Associates, Llc0941612840792

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. Dr Lillian Alt allows following entities to bill medicare on her behalf.
Entity NameCharles L Spellman
Entity TypePractitioner - Internal Medicine
Entity IdentifiersNPI Number: 1932187895
PECOS PAC ID: 7214942929
Enrollment ID: I20060223000185
Entity NameAtlanticare Physician Group Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093829608
PECOS PAC ID: 8527953660
Enrollment ID: O20040218000405
Entity NameLiberty Med Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366983033
PECOS PAC ID: 7416234075
Enrollment ID: O20170509000044
Entity NameRwjbh Emergency Medicine Associates, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912510041
PECOS PAC ID: 0941612840
Enrollment ID: O20201217002547

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. Dr Lillian Alt 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
Dr Lillian Alt, MD
330 Changebridge Rd Ste 101,
Pine Brook, NJ 07058-9839

Ph: (973) 830-9813		Dr Lillian Alt, MD
100 Madison Ave,
Morristown, NJ 07960-6136

Ph: (856) 839-8691

Reviews and Comments



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.