Doctor profile · Federal record
Dr. Tarun Marwaha, M.D.
Nephrology Physician (CMS: Nephrology) · Fountain Valley, CA
- NPI 1407964976
- Accepts Medicare
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11180 Warner Ave Ste 463
Fountain Valley, CA 927087505
(714) 241-9200
fax (714) 241-9109 - Mailing address
-
7912 E Hampshire RD
Orange, CA 928676498
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- February 2, 2017
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A70632
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407964976. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,672
Distinct HCPCS
6
Medicare allowed
$513,276
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 3,682 | 483 | $83 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 440 | 338 | $182 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 248 | 31 | $374 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 159 | 63 | $96 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 128 | 44 | $125 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $180 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 454. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$203
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 1 | $121.92 | |
| AstraZeneca Pharmaceuticals LP | 2 | $31.00 | |
| Novartis Pharmaceuticals Corporation | 1 | $29.53 | |
| Amgen Inc. | 1 | $20.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
401
Patients
38
Total drug cost
$125,562
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 59 | 22 | $511 |
| Sevelamer Carbonate | Generic | 43 | 16 | $17,941 |
| Tamsulosin Hcl | Generic | 32 | 0 | $610 |
| Losartan Potassium | Generic | 31 | 0 | $490 |
| Prednisone | Generic | 31 | 0 | $507 |
| Carvedilol | Generic | 27 | 0 | $202 |
| Lisinopril | Generic | 22 | 0 | $82 |
| Nifedipine Er (Nifedipine) | Brand | 22 | 0 | $1,601 |
| Atorvastatin Calcium | Generic | 21 | 0 | $349 |
| Calcitriol | Generic | 21 | 0 | $781 |
Hospital affiliations
Frequently asked questions
What is Dr. Tarun Marwaha's medical specialty?
Dr. Tarun Marwaha practices Nephrology Physician in Fountain Valley, CA.
Where does Dr. Tarun Marwaha practice?
Dr. Tarun Marwaha practices at 11180 Warner Ave Ste 463, Fountain Valley, CA 927087505. Office phone: 7142419200.
What is Dr. Tarun Marwaha's NPI?
Dr. Tarun Marwaha's National Provider Identifier (NPI) is 1407964976, issued by NPPES.
Does Dr. Tarun Marwaha accept Medicare assignment?
Yes. Dr. Tarun Marwaha accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tarun Marwaha commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.