Are you Maria G. Williams, FNP? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Maria G. Williams, FNP
- Mahwah location main office
1400 Macarthur Blvd, Mahwah, NJ 07430 - Wayne location
759 Hamburg Tpke, Wayne, NJ 07470
About Maria Williams
Listed in the NPI registry as a nurse practitioner — family, Maria G. Williams, FNP practices in Mahwah, NJ. According to Medicare claims data, Maria cared for 653 Medicare patients across 683 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. NPI 1619446572 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (973) 706-0238
- Email not available
Practice Locations
1400 MACARTHUR BLVD
Mahwah, NJ 07430
759 Hamburg Tpke
Wayne, NJ 07470
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
Diagnostic screening
Evaluation & Testing
Hormones & endocrine
Injury care
Lab tests
- COVID-19 testing
- Cholesterol screening
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
Minor surgery
Physical exams
Prescriptions
Preventative care
- Medicare annual wellness visit
- Travel Vaccines for Kids
- Well-child visit
Preventative exams
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
- IUD insertion and removal
- Pregnancy Confirmation Test
- Birth control counseling
- Contraceptive implant insertion and removal
- Pap smear
- Well-woman exam
Most searched procedures
Allergies
- Allergy testing
Diagnostic tests
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Injections
Lifestyle counseling
Neurological care
Occupational health
Pain management
Respiratory care
Screenings
Procedures Most Often Billed to Medicare
683 services · 653 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
68 | As often as other peers in Nurse Practitioner, Family |
| Removal of impacted ear wax | Procedure | 69210 |
14 | Less often than most peers in Nurse Practitioner, Family |
| X-ray of chest, 2 views | Imaging | 71046 |
43 | More often than most peers in Nurse Practitioner, Family |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
25 | As often as other peers in Nurse Practitioner, Family |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
11 | Less often than most peers in Nurse Practitioner, Family |
| 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 |
57 | More often than most peers in Nurse Practitioner, Family | |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
188 | More often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
122 | More often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
68 | More often than most peers in Nurse Practitioner, Family |
| Automated urinalysis test | Lab test | 81003 |
61 | More often than most peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Mahwah 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NJ who bill this service to Medicare most often.
Common questions
What is Maria G. Williams's specialty?
Maria G. Williams is a nurse practitioner in Mahwah, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where can I find Maria G. Williams?
Maria G. Williams is listed at 1400 Macarthur Blvd, Mahwah, NJ 07430. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Maria G. Williams?
The number on file is (973) 706-0238. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Maria G. Williams's NPI number?
Maria G. Williams's National Provider Identifier is 1619446572. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Maria G. Williams's education?
Maria G. Williams attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Maria G. Williams been practicing?
Maria G. Williams has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What is Maria G. Williams known for?
According to Medicare billing data, Maria G. Williams performs procedures including insertion of needle into vein for collection of blood sample and removal of impacted ear wax; reads or performs imaging such as x-ray of chest, 2 views; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Maria G. Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Maria G. Williams. If this is you, claiming it is free.
Guide.md
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