Silvia Los, M.D.
NPI 1790896389 · Family Medicine Physician · Katy, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Silvia Los, M.D. is a Family Medicine Physician provider in Katy, TX (NPI 1790896389).
Provider details
- NPI number
- 1790896389
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 243604 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
275 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 111 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 106 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 35 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 12 | $160 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 11 | $107 |
Typical Medicare-allowed amounts for these services range $84–$160 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 58 | 26 |
| Metformin Hcl | 55 | 19 |
| Levothyroxine Sodium | 45 | 18 |
| Alendronate Sodium | 42 | 14 |
| Lisinopril | 38 | 15 |
| Losartan Potassium | 37 | 14 |
| Amlodipine Besylate | 33 |
Practice location
Mailing address
Additional practice locations (1)
- 23501 Cinco Ranch Blvd Ste B200Katy, TX 77494-3117Phone: (346) 998-5000Fax: (281) 394-2057
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2024-01-31
- Certified
- 2024-01-31
Frequently asked questions
- What is Silvia Los's NPI number?
- Silvia Los's National Provider Identifier (NPI) is 1790896389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Silvia Los's specialty?
- Silvia Los is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Silvia Los located?
- Silvia Los's practice location on file with NPPES is 24968 Katy Ranch Rd Unit 300, Katy, TX 77494-3407.
- What is Silvia Los's phone number?
- The practice phone number listed in the NPPES registry for Silvia Los is (346) 998-5000.
- Does Silvia Los accept Medicare?
- Silvia Los is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Silvia Los's NPI active?
- Yes — Silvia Los's NPI (1790896389) is active in the NPPES registry as of the last update on 2024-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.