Doctor profile · Federal record
Dr. Ashwin Viswanathan, M.D.
Neurological Surgery Physician (CMS: Neurosurgery) · Houston, TX
- NPI 1699917047
- Accepts Medicare
- MIPS 87.6 / 100 · 2023
- 23 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1709 Dryden RD, Suite 750
Houston, TX 770302400
(713) 213-8181
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- December 4, 2020
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207T00000X — NUCC code
- State license (1)
- Texas #M2856
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699917047. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
293
Distinct HCPCS
10
Medicare allowed
$108,270
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 84 | 84 | $114 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 41 | 36 | $88 | |
61886 |
Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays | 36 | 36 | $898 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 26 | 26 | $167 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 25 | $122 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 21 | 21 | $134 | |
61863 |
Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain, first array | 17 | 16 | $2,253 | |
62362 |
Insertion of programmable spinal canal drug infusion pump | 17 | 17 | $263 | |
61885 |
Insertion of brain neurostimulator pulse device with connection to single electrode array | 13 | 12 | $539 | |
63685 |
Insertion of spinal neurostimulator generator or receiver | 12 | 11 | $221 |
In context: peer comparison
Among 42 peers in this city , average services per provider: 37. This provider delivers 7.9× the peer median.Open Payments
Industry payments received
All-time total
$14,311
Transactions
51
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 26 | $12,918.47 | |
| Medtronic, Inc. | 11 | $972.68 | |
| Abbott Laboratories | 1 | $137.53 | |
| Saluda Medical Americas, Inc. | 1 | $120.12 | |
| InSightec,Inc | 11 | $118.91 | |
| Stryker Corporation | 1 | $43.23 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
24
Patients
23
Total drug cost
$134
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acetaminophen-Codeine (Acetaminophen With Codeine) | Brand | 12 | 12 | $69 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 11 | $66 |
Hospital affiliations
Frequently asked questions
What is Dr. Ashwin Viswanathan's medical specialty?
Dr. Ashwin Viswanathan practices Neurological Surgery Physician in Houston, TX.
Where does Dr. Ashwin Viswanathan practice?
Dr. Ashwin Viswanathan practices at 1709 Dryden RD, Houston, TX 770302400. Office phone: 7132138181.
What is Dr. Ashwin Viswanathan's NPI?
Dr. Ashwin Viswanathan's National Provider Identifier (NPI) is 1699917047, issued by NPPES.
Does Dr. Ashwin Viswanathan accept Medicare assignment?
Yes. Dr. Ashwin Viswanathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashwin Viswanathan commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213); Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays (HCPCS 61886). Source: CMS Medicare Physician & Other Practitioners file.