Silvia Sy, M.D.
NPI 1245284801 · Gastroenterology Physician · Mission, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Silvia Sy, M.D. is a Gastroenterology Physician provider in Mission, TX (NPI 1245284801).
Provider details
- NPI number
- 1245284801
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- M1569 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
328 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 115 | $92 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 57 | $119 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 46 | $6 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 34 | $129 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 30 | $242 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 338 | 142 |
| Pantoprazole Sodium | 306 | 99 |
| Linaclotidebrand: Linzess | 303 | 84 |
| Famotidine | 208 | 76 |
| Dicyclomine Hcl | 112 | 38 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 74 | 69 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 58 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$562 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2010-04-20
Frequently asked questions
- What is Silvia Sy's NPI number?
- Silvia Sy's National Provider Identifier (NPI) is 1245284801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Silvia Sy's specialty?
- Silvia Sy is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Silvia Sy located?
- Silvia Sy's practice location on file with NPPES is 910 S Bryan Rd Ste 209, Mission, TX 78572-6659.
- What is Silvia Sy's phone number?
- The practice phone number listed in the NPPES registry for Silvia Sy is (956) 424-1511.
- Does Silvia Sy accept Medicare?
- Silvia Sy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Silvia Sy's NPI active?
- Yes — Silvia Sy's NPI (1245284801) is active in the NPPES registry as of the last update on 2010-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.