Physician Profile
Mario A. Alcantara, M.D.
Unclaimed ProfileAbout Dr. Alcantara
Mario A. Alcantara, M.D. practices colon & rectal surgery in San Antonio, TX. Mario is also listed as specializing in surgery. Medicare claims data shows Mario provided 584 services to 411 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (210) 314-7872
- Email not available
Practice Locations
225 E SONTERRA BLVD STE 215
San Antonio, TX 78258
Procedures Most Often Billed to Medicare
584 services · 411 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of sacral nerve neurostimulator electrode array | Procedure | 64561 |
22 | Too few peers to compare |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
21 | As often as other peers in Colon & Rectal Surgery |
| Insertion or replacement of peripheral, sacral, or gastric neurostimulator generator or receiver | Procedure | 64590 |
11 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
318 | More than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
107 | More than most peers in Colon & Rectal Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
34 | As often as other peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
30 | As often as other peers in Colon & Rectal Surgery |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
26 | More often than most peers in Colon & Rectal Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
15 | Less often than most peers in Colon & Rectal Surgery |
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 colorectal 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 — 16 related providers in 2 groups
Class of 2001 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of sacral nerve neurostimulator electrode array 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Mario A. Alcantara?
Mario A. Alcantara is a colorectal surgeon in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
What is Mario A. Alcantara's address?
Mario A. Alcantara is listed at 225 E Sonterra Blvd Ste 215, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mario A. Alcantara?
The number on file is (210) 314-7872. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Mario A. Alcantara?
Mario A. Alcantara's National Provider Identifier is 1609039049. 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 Mario A. Alcantara train?
Mario A. Alcantara attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mario A. Alcantara have?
Mario A. Alcantara has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mario A. Alcantara perform?
According to Medicare billing data, Mario A. Alcantara performs procedures including insertion of sacral nerve neurostimulator electrode array, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and insertion or replacement of peripheral, sacral, or gastric neurostimulator generator or receiver, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mario A. Alcantara's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mario A. Alcantara. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.