Duane Fredericks, MD - Medicare Family Medicine in South Orange, NJ

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Duane Fredericks, MD is a medicare enrolled "Family Medicine - Obesity Medicine" physician in South Orange, New Jersey. His current practice location is 228 S Orange Ave, South Orange, New Jersey. You can reach out to his office (for appointments etc.) via phone at (973) 821-5058.

Duane Fredericks is licensed to practice in New Jersey (license number 25MA08928300) 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 1184618886.

Contact Information

Duane Fredericks, MD
228 S Orange Ave,
South Orange, NJ 07079-2202
(973) 821-5058
(973) 821-5059

Map and Direction




Physician's Profile

Full NameDuane Fredericks
GenderMale
SpecialityFamily Medicine - Obesity Medicine
Location228 S Orange Ave, South Orange, New Jersey
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1184618886
  • Provider Enumeration Date: 09/08/2005
  • Last Update Date: 08/10/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 1254350648
  • Enrollment ID: I20110729000128

Medical Identifiers

Medical identifiers for Duane Fredericks such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184618886NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207QB0002XFamily Medicine - Obesity Medicine 25MA08928300 (New Jersey)Primary

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. Duane Fredericks allows following entities to bill medicare on his behalf.
Entity NameNilay Shah MD PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578696605
PECOS PAC ID: 3870685118
Enrollment ID: O20070816000590

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. Duane Fredericks 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
Duane Fredericks, MD
228 S Orange Ave,
South Orange, NJ 07079-2202

Ph: (973) 821-5058		Duane Fredericks, MD
228 S Orange Ave,
South Orange, NJ 07079-2202

Ph: (973) 821-5058

Reviews and Comments


Family Medicine Doctors in South Orange, NJ

Dr. Kevin D Holder, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5 Stanley Rd, South Orange, NJ 07079
Phone: 973-762-6077    Fax: 973-762-4331
Dr. Sejal Jain,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 7 Vose Ave, South Orange, NJ 07079
Phone: 973-630-8989    Fax: 973-761-1694
Lena S Samuel, MD
Family Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 20 Valley St Ste 320, South Orange, NJ 07079
Phone: 973-313-1113    
Mrs. Ashlyne Nicky Mejia, NP
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20 Valley St Ste 320, South Orange, NJ 07079
Phone: 973-313-1113    
Brittany Baptiste, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 14 Vose Ave, Fl 2, South Orange, NJ 07079
Phone: 973-630-8989    Fax: 973-761-1694

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.