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- 1500 Citywest Blvd Ste 300, Houston, TX 77042
About Dr. Aiyer
Viswanathan Aiyer, MD practices anesthesiology in Houston, TX. Viswanathan is a 1997 graduate of University of Texas Southwestern Medical School at Dallas. According to Medicare claims data, Viswanathan cared for 135 Medicare patients across 137 services. The services billed most often include anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, anesthesia for procedure on small and large bowel using an endoscope, and anesthesia for other procedure on large bowel using an endoscope. The provider's National Provider Identifier (NPI) is 1083603724.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (713) 620-4000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1500 CITYWEST BLVD STE 300
Houston, TX 77042
Conditions Commonly Evaluated or Treated
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Sedation & Phobias
Anesthesia complications
Back & spine
- Arthritis of the spine
- Degenerative disc disease
- Failed back surgery syndrome
- Herniated disc
- Lower back pain
- Neck pain
- Sacroiliac joint pain
- Spinal compression fracture
- Spinal stenosis
- Spondylolisthesis
- Tailbone pain
- Upper Back Pain
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
- Abdominal wall nerve pain
- Complex Regional Pain Syndrome
- Foot Numbness and Tingling
- Groin nerve pain after hernia surgery
- Nerve damage after surgery
- Neuropathy
- Outer thigh burning and numbness
- Phantom limb pain
- Pinched nerve
- Piriformis syndrome
- Sciatica
- Shingles pain
- Tarsal Tunnel Syndrome
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Procedures & services
Nerve blocks
- Celiac Plexus Nerve Block
- Abdominal Nerve Block
- Ganglion impar block
- Groin nerve block
- Pudendal nerve block
- Superior hypogastric plexus block
Nerve Blocks
Pain Relief Procedures
Regional anesthesia
Sedation
- In-Office Anesthesia for Plastic Surgery
- Pediatric Dental Sedation
- Sedation for Colonoscopy and Endoscopy
- Sedation for Egg Retrieval
- Sedation for MRI
- Sedation for Vasectomy
- IV sedation for endoscopy
Sedation & anesthesia
- General anesthesia
- Moderate dental sedation
- Sedation for dental work
- Labor epidural
- Pre-surgery anesthesia consult
- Spinal spinal block
Specialized Care
Vascular Access
Ablation
Head & facial procedures
Implants & devices
- Pain pump implant
- Pain pump refill and check
- Peripheral nerve stimulator implant
- Spinal cord stimulator implant
- Spinal cord stimulator trial
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve injections
- Celiac plexus block
- Lumbar sympathetic block
- Nerve block
- Rib nerve block
- Shoulder nerve block
- Stellate ganglion block
Nerve procedures
Pain relief procedures
Spine injections
- Epidural steroid injection
- Facet joint injection
- Medial branch block
- Sacroiliac joint injection
- Tailbone epidural injection
Spine procedures
Procedures Most Often Billed to Medicare
137 services · 135 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
38 | More often than most peers in Anesthesiology |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
31 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
31 | More often than most peers in Anesthesiology |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
26 | As often as other peers in Anesthesiology |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
11 | Less often than most peers in Anesthesiology |
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 anesthesiologists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 30 related providers in 4 groups
Other anesthesiologists in Houston 8
Same specialty, same city.
Trained at University of Texas Southwestern Medical School at Dallas 7
Other providers in the same specialty who trained at the same institution.
Class of 1997 at University of Texas Southwestern Medical School at Dallas 7
Providers who graduated from the same medical school in the same year.
Also performs Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 8
Providers in TX who bill this service to Medicare most often.
Common questions
What does Dr. Aiyer specialize in?
Dr. Aiyer is an anesthesiologist in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where is Dr. Aiyer located?
Dr. Aiyer is listed at 1500 Citywest Blvd Ste 300, Houston, TX 77042. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Aiyer's phone number?
The number on file is (713) 620-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Aiyer's NPI number?
Dr. Aiyer's National Provider Identifier is 1083603724. 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. Aiyer go to medical school?
Dr. Aiyer attended University of Texas Southwestern Medical School at Dallas, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Aiyer been practicing?
Dr. Aiyer has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Aiyer do most often?
According to Medicare billing data, Dr. Aiyer provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for procedure on small and large bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Aiyer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Aiyer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.