Doctor profile · Federal record
Dr. Ralph Nader, MD
Nephrology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Philadelphia, PA
- NPI 1588154041
- Accepts Medicare
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3400 Spruce St
Philadelphia, PA 191044228
(215) 662-2638
fax (215) 349-5703
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- July 25, 2022
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Pennsylvania #MD476859
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588154041. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
559
Distinct HCPCS
9
Medicare allowed
$60,626
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 131 | 81 | $88 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 106 | 56 | $122 | |
90935 |
Hemodialysis procedure with physician evaluation | 89 | 49 | $73 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 72 | 40 | $81 | |
90999 |
Other inpatient or outpatient dialysis procedure | 47 | 21 | $93 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 42 | 42 | $187 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 40 | 38 | $178 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 16 | $134 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 15 | 14 | $140 |
In context: peer comparison
Among 50 peers in this city , average services per provider: 81. This provider delivers 6.9× the peer median.Open Payments
Industry payments received
All-time total
$1,819
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Otsuka Pharmaceutical Development & Commercialization, Inc. | 1 | $1,818.75 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
275
Patients
36
Total drug cost
$34,964
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 52 | 21 | $338 |
| Losartan Potassium | Generic | 39 | 15 | $412 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 28 | 0 | $19,175 |
| Furosemide | Generic | 27 | 0 | $99 |
| Hydrochlorothiazide | Generic | 24 | 0 | $122 |
| Nifedipine Er (Nifedipine) | Brand | 18 | 0 | $864 |
| Atorvastatin Calcium | Generic | 15 | 0 | $300 |
| Lisinopril | Generic | 15 | 0 | $123 |
| Lokelma (Sodium Zirconium Cyclosilicate) | Brand | 15 | 0 | $11,037 |
| Potassium Citrate Er (Potassium Citrate) | Brand | 15 | 0 | $2,078 |
Hospital affiliations
Frequently asked questions
What is Dr. Ralph Nader's medical specialty?
Dr. Ralph Nader practices Nephrology Physician in Philadelphia, PA.
Where does Dr. Ralph Nader practice?
Dr. Ralph Nader practices at 3400 Spruce St, Philadelphia, PA 191044228. Office phone: 2156622638.
What is Dr. Ralph Nader's NPI?
Dr. Ralph Nader's National Provider Identifier (NPI) is 1588154041, issued by NPPES.
Does Dr. Ralph Nader accept Medicare assignment?
Yes. Dr. Ralph Nader accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ralph Nader commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hemodialysis procedure with physician evaluation (HCPCS 90935). Source: CMS Medicare Physician & Other Practitioners file.