Doctor profile · Federal record
Dr. Maria Williams, FNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Mahwah, NJ
- NPI 1619446572
- Accepts Medicare
- MIPS 96.8 / 100 · 2023
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1400 Macarthur Blvd
Mahwah, NJ 074303618
(973) 706-0238 - Additional location
-
759 Hamburg Tpke
Wayne, NJ 074702077
(973) 709-0099 - Mailing address
-
108 Grand St
New Milford, NJ 076462626
Credentials & registration
- NPI registered
- November 2018 — 8 yrs on file
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- New Jersey #26NJ00839100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619446572. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
818
Distinct HCPCS
10
Medicare allowed
$53,725
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 272 | 250 | $86 | |
36415 |
Insertion of needle into vein for collection of blood sample | 86 | 76 | $8 | |
0241U |
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 | 85 | 82 | $140 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 75 | 73 | $122 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 74 | 72 | $55 | |
81003 |
Automated urinalysis test | 69 | 65 | $2 | |
71046 |
X-ray of chest, 2 views | 55 | 52 | $34 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 45 | 45 | $14 | |
69210 |
Removal of impacted ear wax | 19 | 19 | $43 | |
87651 |
Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique | 16 | 16 | $34 |
In context: peer comparison
Among 2 peers in Mahwah Family Nurse Practitioner, average services per provider: 89. This provider delivers 9.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
299
Patients
117
Total drug cost
$4,517
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 34 | 33 | $353 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 29 | 26 | $905 |
| Doxycycline Hyclate | Generic | 26 | 25 | $306 |
| Lisinopril | Generic | 25 | 0 | $241 |
| Amlodipine Besylate | Generic | 23 | 0 | $288 |
| Atorvastatin Calcium | Generic | 22 | 0 | $272 |
| Levothyroxine Sodium | Generic | 17 | 0 | $449 |
| Losartan Potassium | Generic | 17 | 0 | $192 |
| Methylprednisolone | Generic | 17 | 17 | $164 |
| Rosuvastatin Calcium | Generic | 17 | 0 | $457 |
Frequently asked questions
What is Dr. Maria Williams's medical specialty?
Dr. Maria Williams practices Family Nurse Practitioner in Mahwah, NJ.
Where does Dr. Maria Williams practice?
Dr. Maria Williams practices at 1400 Macarthur Blvd, Mahwah, NJ 074303618. Office phone: 9737060238.
What is Dr. Maria Williams's NPI?
Dr. Maria Williams's National Provider Identifier (NPI) is 1619446572, issued by NPPES.
Does Dr. Maria Williams accept Medicare assignment?
Yes. Dr. Maria Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); 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 (HCPCS 0241U). Source: CMS Medicare Physician & Other Practitioners file.