Mr Stephen J Williams, MD - Medicare Infectious Disease in Randolph, NJ

Mr Stephen J Williams, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Randolph, New Jersey. He graduated from medical school in 1998 and has 26 years of diverse experience with area of expertise as Infectious Disease. He is a member of the group practice Id Care Llc and his current practice location is 765 Route 10 East, Randolph, New Jersey. You can reach out to his office (for appointments etc.) via phone at (973) 989-0068.

Mr Stephen J Williams is licensed to practice in New Jersey (license number ) 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 1184690190.

Contact Information

Mr Stephen J Williams, MD
765 Route 10 East,
Randolph, NJ 07869
(973) 989-0068
(973) 361-8955

Map and Direction




Physician's Profile

Full NameMr Stephen J Williams
GenderMale
SpecialityInfectious Disease
Experience26 Years
Location765 Route 10 East, Randolph, 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:
  • Mr Stephen J Williams graduated from medical school in 1998
  NPI Data:
  • NPI Number: 1184690190
  • Provider Enumeration Date: 02/28/2006
  • Last Update Date: 07/12/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6709864804
  • Enrollment ID: I20040903000122

Medical Identifiers

Medical identifiers for Mr Stephen J Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184690190NPI-NPPES
85634MedicaidNJ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease (New Jersey)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Morristown Medical CenterMorristown, NJHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Id Care Llc7719959998104

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. Mr Stephen J Williams allows following entities to bill medicare on his behalf.
Entity NameId Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639146277
PECOS PAC ID: 7719959998
Enrollment ID: O20101208000463

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. Mr Stephen J Williams 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
Mr Stephen J Williams, MD
105 Raider Blvd, Suite 101,
Hillsborough, NJ 08844-1528

Ph: (908) 281-0221
Mr Stephen J Williams, MD
765 Route 10 East,
Randolph, NJ 07869

Ph: (973) 989-0068

Reviews and Comments


Internal Medicine Doctors in Randolph, NJ

Dr. Robert Hk Eng, M.D.
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 2 Elaine Ct, Randolph, NJ 07869
Phone: 973-676-1000    Fax: 973-295-7093
Dr. John Scott Freiheiter, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 16 Old Brookside Rd, Suite #2, Randolph, NJ 07869
Phone: 973-895-8884    Fax: 973-895-2530
Rachna Gupta, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 765 Rt. 10 East, Randolph, NJ 07869
Phone: 973-989-0068    Fax: 973-361-8955
Dr. Sireesha B Reddy, MD
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 765 Route 10 E, Randolph, NJ 07869
Phone: 973-989-0068    Fax: 973-361-8955
Dr. Barrington Berrisford Lynch, M.D.
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 205 Morris Tpke, Randolph, NJ 07869
Phone: 973-933-2239    
Nawras Makhsida, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 715 Route 10, Randolph, NJ 07869
Phone: 973-343-7040    Fax: 973-718-4881

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.