Physician Profile
Unclaimed ProfileAbout Dr. Viswanathan
Bala Viswanathan, M.D. is a healthcare provider in San Antonio, TX specializing in general surgery. Bala is also listed as specializing in surgery.
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
- (210) 545-5455
- Email not available
Practice Locations
19260 STONE OAK PKWY SUITE 102
San Antonio, TX 78258
Conditions Commonly Evaluated or Treated
Within General Surgery 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
Anorectal
Appendix, bowel, and emergency
- Appendicitis
- Diverticulitis
- Intra-abdominal abscess
- Large-bowel obstruction
- Mesenteric ischemia
- Perforated gastrointestinal tract
- Peritonitis
- Small-bowel obstruction
Gallbladder and biliary
Hernia and abdominal wall
Skin and soft tissue
Breast
Endocrine
Procedures & services
Bowel and emergency abdominal
- Colon resection
- Exploratory laparoscopy
- Exploratory laparotomy
- Repair of perforated peptic ulcer
- Small-bowel resection
- Surgery for bowel obstruction
- Surgical drainage of abdominal abscess
- Surgical lysis of adhesions
Gallbladder and appendix
- Laparoscopic appendix removal
- Laparoscopic gallbladder removal
- Open appendix removal
- Open gallbladder removal
Hernia repair
- Incisional hernia repair
- Laparoscopic groin-hernia repair
- Open groin-hernia repair
- Robotic hernia repair
- Umbilical hernia repair
- Ventral hernia repair
Skin and soft tissue
- Incision and drainage of an abscess
- Lipoma removal
- Removal of a skin cyst
- Removal of a soft-tissue mass
Access and nutrition
- Central venous catheter placement
- Feeding-tube placement into the stomach
- Implanted venous port placement
- Jejunostomy feeding-tube placement
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal surgery
- Pilonidal cyst removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Breast surgery
Procedures Most Often Billed to Medicare
36 services · 23 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
24 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
12 |
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.
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 general surgeons in San Antonio 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1974 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Viswanathan specialize in?
Dr. Viswanathan is a general surgeon in San Antonio, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Where is Dr. Viswanathan located?
Dr. Viswanathan is listed at 19260 STONE OAK PKWY SUITE 102, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Viswanathan's phone number?
The number on file is (210) 545-5455. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Viswanathan's NPI number?
Dr. Viswanathan's National Provider Identifier is 1356375976. 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 go to medical school?
Dr. Viswanathan attended Other, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Viswanathan been practicing?
Dr. Viswanathan has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Viswanathan do most often?
According to Medicare billing data, Dr. Viswanathan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Viswanathan confirmed this information?
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.