Ms Maria Gemma Williams, FNP - Medicare Nurse Practitioner in Mahwah, NJ

Ms Maria Gemma Williams, FNP is a medicare enrolled "Nurse Practitioner - Family" in Mahwah, New Jersey. She graduated from nursing school in 2018 and has 6 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Valley Physician Services Pc and her current practice location is 1400 Macarthur Blvd, Mahwah, New Jersey. You can reach out to her office (for appointments etc.) via phone at (973) 706-0238.

Ms Maria Gemma Williams is licensed to practice in New Jersey (license number 26NJ00839100) 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 1619446572.

Contact Information

Ms Maria Gemma Williams, FNP
1400 Macarthur Blvd,
Mahwah, NJ 07430-3618
(973) 706-0238
Not Available

Map and Direction




Provider's Profile

Full NameMs Maria Gemma Williams
GenderFemale
SpecialityNurse Practitioner
Experience6 Years
Location1400 Macarthur Blvd, Mahwah, 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:
  • Ms Maria Gemma Williams graduated from nursing school in 2018
  NPI Data:
  • NPI Number: 1619446572
  • Provider Enumeration Date: 11/20/2018
  • Last Update Date: 11/20/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 2567703200
  • Enrollment ID: I20190408001196

Medical Identifiers

Medical identifiers for Ms Maria Gemma Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619446572NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 26NJ00839100 (New Jersey)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Valley HospitalRidgewood, NJHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Valley Physician Services Pc3577857333415

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. Ms Maria Gemma Williams allows following entities to bill medicare on her behalf.
Entity NameValley Physician Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467815928
PECOS PAC ID: 3577857333
Enrollment ID: O20160802002824

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. Ms Maria Gemma 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
Ms Maria Gemma Williams, FNP
108 Grand St,
New Milford, NJ 07646-2626

Ph: (201) 394-9970
Ms Maria Gemma Williams, FNP
1400 Macarthur Blvd,
Mahwah, NJ 07430-3618

Ph: (973) 706-0238

Reviews and Comments


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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.