Internal Medicine, Nephrology · Northfield, NJ
NPI
1902060221
Since 2008
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
3
Medicare group memberships
Hospitals
4
Hospital affiliations
510 Jackson Ave
Northfield, NJ, 08225
Phone (609) 383-0200
Groups this clinician bills Medicare through
Medicare paid, 2024
$304K
3,076 services
Medicare patients, 2024
773
Average age 75
Drug cost, 2024
$774K
3,592 prescriptions
Company payments, 2025
$611
From 10 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Robert J Mathews was code G2211 (visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's), 588 times for 313 patients. In total Robert J Mathews billed 3,076 services in 33 codes, and Medicare paid $304K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-02-27.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|---|---|---|---|---|
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 588 | 313 | $13.08 | $7,690 |
| 99232 Hospital E&M - Subsequent | Facility | 401 | 181 | $64.38 | $26K |
| 99233 Hospital E&M - Subsequent | Facility | 390 | 177 | $96.89 | $38K |
| 99215 Office E&M - Established | Office | 361 | 207 | $106.07 | $38K |
| 90960 ESRD Related Services (not dialysis) | Office | 315 | 45 | $286.86 | $90K |
| 99214 Office E&M - Established | Office | 183 | 151 | $85.59 | $16K |
| 99223 Hospital E&M - Initial | Facility | 145 | 132 | $133.57 | $19K |
| 90937 Hemodialysis | Facility | 124 | 50 | $83.06 | $10K |
| 90935 Hemodialysis | Facility | 80 | 40 | $57.37 | $4,589 |
| 99426 Chronic, Principal, and Transitional Care Management | Office | 76 | 62 | $51.43 | $3,909 |
| 99205 Office E&M - New | Office | 62 | 62 | $160.24 | $9,935 |
| 99490 Chronic, Principal, and Transitional Care Management | Office | 37 | 34 | $52.53 | $1,944 |
| 99305 SNF E&M | Office | 36 | 36 | $109.90 | $3,956 |
| 99309 SNF E&M | Office | 36 | 32 | $89.08 | $3,207 |
| 99213 Office E&M - Established | Office | 27 | 25 | $62.82 | $1,696 |
By year: 2022 $255K for 2,262 services; 2023 $307K for 2,755 services; 2024 $304K for 3,076 services.
Medicare prescription drug claims, 2024
In 2024, the drug Robert J Mathews prescribed most often to Medicare patients was Irbesartan, with 438 prescriptions and refills. In total Robert J Mathews wrote 3,592 Medicare prescriptions that cost $774K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Irbesartan Generic | 438 | 1,185 | 148 | $12K |
| Carvedilol Generic | 329 | 839 | 92 | $3,612 |
| Amlodipine Besylate Generic | 242 | 663 | 83 | $1,679 |
| Torsemide Generic | 197 | 467 | 61 | $3,190 |
| Farxiga Dapagliflozin Propanediol | 177 | 391 | 66 | $209K |
| Jardiance Empagliflozin | 143 | 285 | 43 | $164K |
| Furosemide Generic | 139 | 357 | 59 | $798 |
| Hydralazine Hcl Generic | 106 | 281 | 39 | $3,015 |
| Allopurinol Generic | 89 | 265 | 31 | $1,058 |
| Chlorthalidone Generic | 83 | 236 | 30 | $1,423 |
| Clonidine Hcl Generic | 83 | 198 | 33 | $469 |
| Calcitriol Generic | 76 | 217 | 29 | $1,382 |
| Tamsulosin Hcl Generic | 75 | 204 | 34 | $1,403 |
| Rosuvastatin Calcium Generic | 61 | 171 | 23 | $1,280 |
| Losartan Potassium Generic | 61 | 165 | 20 | $874 |
Brand drugs: 649 claims; generic drugs: 2,926 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Robert J Mathews $611 ($611 in general payments such as food, travel and fees) from 10 companies. The largest payer was Neurocrine BioSciences, Inc. with $115.
| Company | Payments | Amount |
|---|---|---|
| Neurocrine BioSciences, Inc. NBIX | 1 | $115 |
| Travere Therapeutics, Inc. TVTX | 2 | $101 |
| Fresenius USA Marketing, Inc. | 5 | $97.02 |
| Bard Peripheral Vascular, Inc. BDX | 1 | $85.73 |
| Novartis Pharmaceuticals Corporation NVS | 4 | $65.7 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 3 | $55.76 |
| AstraZeneca Pharmaceuticals LP AZN | 2 | $33.27 |
| Otsuka America Pharmaceutical, Inc. 4578.T | 1 | $22.85 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $18.05 |
| Vifor Pharma, Inc. | 1 | $16.4 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.