Doctor profile · Federal record
Dr. Nisha Viswanathan, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Los Angeles, CA
- NPI 1578839205
- Accepts Medicare
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
200 UCLA Medical Plz Ste 420
Los Angeles, CA 900957303
(310) 206-6232
fax (310) 206-3551 - Additional location
-
1245 16Th St Ste 309
Santa Monica, CA 904041239
(310) 319-4377
fax (310) 319-4425 - Mailing address
-
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631
Credentials & registration
- NPI registered
- March 2012 — 14 yrs on file
- Profile last updated
- January 2, 2020
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #C165367
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578839205. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
264
Distinct HCPCS
6
Medicare allowed
$36,988
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 85 | 46 | $124 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 81 | 33 | $183 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 36 | $100 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 26 | 20 | $145 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 16 | 16 | $182 | |
G0008 |
Administration of influenza virus vaccine | 11 | 11 | $33 |
In context: peer comparison
Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 1.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
649
Patients
122
Total drug cost
$13,958
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 76 | 25 | $1,263 |
| Lisinopril | Generic | 55 | 15 | $795 |
| Amlodipine Besylate | Generic | 51 | 15 | $563 |
| Bupropion Xl (Bupropion Hcl) | Brand | 46 | 17 | $3,735 |
| Lactulose | Generic | 46 | 0 | $1,366 |
| Levothyroxine Sodium | Generic | 46 | 13 | $905 |
| Carvedilol | Generic | 41 | 0 | $435 |
| Gabapentin | Generic | 41 | 15 | $857 |
| Sertraline Hcl | Generic | 40 | 0 | $296 |
| Furosemide | Generic | 38 | 11 | $355 |
Hospital affiliations
Frequently asked questions
What is Dr. Nisha Viswanathan's medical specialty?
Dr. Nisha Viswanathan practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Nisha Viswanathan practice?
Dr. Nisha Viswanathan practices at 200 UCLA Medical Plz Ste 420, Los Angeles, CA 900957303. Office phone: 3102066232.
What is Dr. Nisha Viswanathan's NPI?
Dr. Nisha Viswanathan's National Provider Identifier (NPI) is 1578839205, issued by NPPES.
Does Dr. Nisha Viswanathan accept Medicare assignment?
Yes. Dr. Nisha Viswanathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nisha Viswanathan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.