Doctor profile · Federal record
Dr. Nathaniel Feldman, MD
Internal Medicine Physician (CMS: Internal Medicine) · Newton, NJ
- NPI 1558331132
- Accepts Medicare
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Newton Medical Center, 175 High St
Newton, NJ 07860
(973) 579-8321 - Mailing address
-
211 W 61St St
New York, NY 100237832
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- November 19, 2019
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New Jersey #25MA04572600
- Medicaid
- NY #01208415
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558331132. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,032
Distinct HCPCS
7
Medicare allowed
$115,459
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 384 | 157 | $127 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 348 | 174 | $85 | |
99239 |
Hospital discharge day management, more than 30 minutes | 145 | 140 | $124 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 68 | 68 | $186 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 56 | 15 | $53 | |
99238 |
Hospital discharge day management, 30 minutes or less | 17 | 17 | $87 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $140 |
In context: peer comparison
Among 10 peers in Newton Internal Medicine Physician, average services per provider: 189. This provider delivers 5.5× the peer median.Open Payments
Industry payments received
All-time total
$224
Transactions
13
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 6 | $108.22 | |
| Merck Sharp & Dohme LLC | 2 | $35.36 | |
| Pfizer INC. | 2 | $33.60 | |
| Novartis Pharmaceuticals Corporation | 1 | $18.66 | |
| Patterson Companies, INC. | 1 | $14.99 | |
| Ferring Pharmaceuticals INC. | 1 | $13.14 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
33
Patients
33
Total drug cost
$285
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefdinir | Generic | 21 | 21 | $196 |
| Prednisone | Generic | 12 | 12 | $89 |
Frequently asked questions
What is Dr. Nathaniel Feldman's medical specialty?
Dr. Nathaniel Feldman practices Internal Medicine Physician in Newton, NJ.
Where does Dr. Nathaniel Feldman practice?
Dr. Nathaniel Feldman practices at Newton Medical Center, Newton, NJ 07860. Office phone: 9735798321.
What is Dr. Nathaniel Feldman's NPI?
Dr. Nathaniel Feldman's National Provider Identifier (NPI) is 1558331132, issued by NPPES.
Does Dr. Nathaniel Feldman accept Medicare assignment?
Yes. Dr. Nathaniel Feldman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Feldman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.