MS. MARIA GEMMA WILLIAMS FNP
NPI 1619446572
Nurse Practitioner - Family in Mahwah, NJ

Active since November 20, 2018PECOS EnrolledAccepts Medicare Assignment
98.67/100
CMS Quality Rating
1400 MACARTHUR BLVD, MAHWAH, NJ 07430(973) 706-0238 Get Directions Write a Review

NPPES record last updated: November 20, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Maria Gemma Williams Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. MARIA GEMMA WILLIAMS FNP (NPI 1619446572) is an individual family provider in Mahwah, New Jersey, licensed in New Jersey (26NJ00839100) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS, is affiliated with Valley Hospital, and maintains a secondary practice location in Wayne.

NPPES Registry Identity

NPI1619446572
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. MARIA GEMMA WILLIAMSCredential: FNP
Location Address1400 MACARTHUR BLVDMahwah, NJ 07430-3618
Mailing Address108 Grand StNew Milford, NJ 07646-2626 · (201) 394-9970
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateNovember 20, 2018
NPI 1619446572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in NJ · 26NJ00839100
1400 MACARTHUR BLVD, Mahwah, NJ 07430

Secondary Practice Location 1

Location 1759 Hamburg TpkeWayne, NJ 07470-2077 · Phone (973) 709-0099

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Maria Gemma Williams Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567703200
PECOS Enrollment IDI20190408001196
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
188 services179 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
122 services111 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
68 services63 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
68 services67 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
61 services58 patients
Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected 0241U
This test detects the RNA of respiratory viruses, including COVID-19, Influenza A, Influenza B, and Respiratory Syncytial Virus, in an upper respiratory specimen. The test result will report if each virus is detected or not, helping in accurate diagnosis.
57 services57 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Valley Hospital

Acute Care Hospitals · Paramus, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310012
Location4 Valley Health PlazaParamus, NJ 07652 · Bergen County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07430 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.67/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality93.57
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Durable Medical Equipment & Medical Supplies
1400 MACARTHUR BLVD
MAHWAH, NJ 07430
Physical Therapist
1400 MACARTHUR BLVD
MAHWAH, NJ 07430
Physical Therapist
1400 MACARTHUR BLVD
MAHWAH, NJ 07430
Physician Assistant
1400 MACARTHUR BLVD
MAHWAH, NJ 07430
Pharmacy (Community/Retail Pharmacy)
1400 MACARTHUR BLVD
MAHWAH, NJ 07430

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria Williams's NPI number?

The NPI number for Maria Williams is 1619446572. It was assigned to this individual provider in the NPPES registry on November 20, 2018.

Where is Maria Williams located?

Maria Williams practices at 1400 Macarthur Blvd, Mahwah, NJ 07430. The listed phone number is (973) 706-0238.

What is Maria Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Maria Williams enrolled in Medicare?

Yes. Maria Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Maria Williams affiliated with any hospitals?

According to CMS data, Maria Williams is affiliated with Valley Hospital.

When was this NPI record last updated?

The NPPES record for Maria Williams was last updated on November 20, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.