Physician Profile
Unclaimed ProfileAbout VISWANATHAN
Ashwin Viswanathan, M.D. is a healthcare provider in Houston, TX specializing in neurosurgery. Ashwin trained at Baylor College of Medicine, graduating in 2003. Ashwin is also listed as specializing in neurological surgery. Medicare claims data shows Ashwin provided 251 services to 246 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (713) 213-8181
- Email not available
Practice Locations
1709 DRYDEN RD SUITE 750
Houston, TX 77030
Procedures Most Often Billed to Medicare
251 services · 246 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays | Procedure | 61886 |
45 |
| Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain, first array | Procedure | 61863 |
19 |
| Insertion of programmable spinal canal drug infusion pump | Procedure | 62362 |
17 |
| Insertion, revision, or repositioning of spinal canal tube for medication administration | Procedure | 62350 |
14 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
67 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
34 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
21 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
20 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other neurosurgery specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurosurgery specialists in Houston 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Viswanathan?
Dr. Viswanathan is a neurosurgery in Houston, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEUROSURGERY”.
NPI registry
What is Dr. Viswanathan's address?
Dr. Viswanathan is listed at 1709 DRYDEN RD SUITE 750, Houston, TX 77030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Viswanathan?
The number on file is (713) 213-8181. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Viswanathan?
Dr. Viswanathan's National Provider Identifier is 1699917047. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Viswanathan train?
Dr. Viswanathan attended Baylor College of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Viswanathan have?
Dr. Viswanathan has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Viswanathan perform?
According to Medicare billing data, Dr. Viswanathan performs procedures including insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays, removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain, first array and insertion of programmable spinal canal drug infusion pump, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Viswanathan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Viswanathan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.