Nephrology · Florham Park, NJ
NPI
1245331834
Since 2006
Specialty
Nephrology
Code 174400000X
Group practices
2
Medicare group memberships
Hospitals
4
Hospital affiliations
83 Hanover Rd, Suite 290
Florham Park, NJ, 07932
Phone (973) 736-2212
Groups this clinician bills Medicare through
Medicare paid, 2024
$186K
2,743 services
Medicare patients, 2024
541
Average age 76
Drug cost, 2024
$688K
3,248 prescriptions
Company payments, 2025
$5,618
From 19 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Robert D Zenenberg 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), 785 times for 394 patients. In total Robert D Zenenberg billed 2,743 services in 19 codes, and Medicare paid $186K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2011-10-11.
| 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 | 785 | 394 | $13.49 | $11K |
| 99214 Office E&M - Established | Office | 679 | 352 | $75.62 | $51K |
| 81003 Clinical Chemistry | Office | 566 | 339 | $2.20 | $1,243 |
| 90960 ESRD Related Services (not dialysis) | Office | 194 | 29 | $294.58 | $57K |
| 99233 Hospital E&M - Subsequent | Facility | 127 | 71 | $100.11 | $13K |
| 99215 Office E&M - Established | Office | 118 | 66 | $91.84 | $11K |
| 99205 Office E&M - New | Office | 72 | 72 | $167.51 | $12K |
| 99223 Hospital E&M - Initial | Facility | 47 | 45 | $146.24 | $6,873 |
| 99490 Chronic, Principal, and Transitional Care Management | Office | 37 | 36 | $54.43 | $2,014 |
| 99439 Chronic, Principal, and Transitional Care Management | Office | 20 | 14 | $41.89 | $838 |
| 99496 Chronic, Principal, and Transitional Care Management | Office | 11 | 11 | $221.97 | $2,442 |
By year: 2022 $169K for 1,592 services; 2023 $173K for 1,418 services; 2024 $186K for 2,743 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 81003 Clinical Chemistry | 566 | 339 | $2.20 | $1,243 |
Medicare prescription drug claims, 2024
In 2024, the drug Robert D Zenenberg prescribed most often to Medicare patients was Farxiga (Dapagliflozin Propanediol), with 241 prescriptions and refills. In total Robert D Zenenberg wrote 3,248 Medicare prescriptions that cost $688K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Farxiga Dapagliflozin Propanediol | 241 | 387 | 53 | $207K |
| Amlodipine Besylate Generic | 234 | 650 | 79 | $2,035 |
| Torsemide Generic | 199 | 460 | 72 | $2,789 |
| Telmisartan Generic | 184 | 459 | 47 | $7,058 |
| Eplerenone Generic | 143 | 396 | 39 | $16K |
| Veltassa Patiromer Calcium Sorbitex | 108 | 140 | 28 | $101K |
| Edarbi Azilsartan Medoxomil | 102 | 174 | 19 | $39K |
| Prednisone Generic | 95 | 157 | 22 | $352 |
| Furosemide Generic | 93 | 220 | 26 | $412 |
| Chlorthalidone Generic | 92 | 226 | 28 | $1,115 |
| Paricalcitol Generic | 86 | 203 | 24 | $7,660 |
| Atorvastatin Calcium Generic | 85 | 190 | 20 | $724 |
| Spironolactone Generic | 83 | 226 | 26 | $774 |
| Edarbyclor Azilsartan Med/Chlorthalidone | 75 | 163 | 21 | $35K |
| Losartan Potassium Generic | 72 | 197 | 21 | $1,683 |
Brand drugs: - claims; generic drugs: 2,477 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Robert D Zenenberg $5,618 ($5,618 in general payments such as food, travel and fees) from 19 companies. The largest payer was Travere Therapeutics, Inc. with $4,274.
| Company | Payments | Amount |
|---|---|---|
| Travere Therapeutics, Inc. TVTX | 14 | $4,274 |
| Vifor Pharma, Inc. | 17 | $273 |
| Amgen Inc. AMGN | 14 | $234 |
| Otsuka America Pharmaceutical, Inc. 4578.T | 9 | $144 |
| Ardelyx, Inc. ARDX | 8 | $132 |
| GlaxoSmithKline, LLC. GSK | 6 | $90.29 |
| AstraZeneca Pharmaceuticals LP AZN | 5 | $78.59 |
| Genzyme Corporation SNY | 4 | $62.87 |
| Novartis Pharmaceuticals Corporation NVS | 3 | $52.18 |
| Novo Nordisk Inc NVO | 3 | $51.78 |
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.