Leonardo Mendez, M.D.
NPI 1164441408 · Gastroenterology Physician · Arlington, VA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonardo Mendez, M.D. is a Gastroenterology Physician provider in Arlington, VA (NPI 1164441408).
Provider details
- NPI number
- 1164441408
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0101052239 (VA)
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
19 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
776 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 280 | $186 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 212 | $131 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 105 | $79 |
| Destruction of Polyp Or Growth of Large Bowel Using a Flexible Endoscope45388 | 70 | $268 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope45378 | 32 | $180 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rabeprazole Sodium | 171 | 61 |
| Omeprazole | 157 | 56 |
| Pantoprazole Sodium | 120 | 43 |
| Famotidine | 78 | 30 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 61 | 60 |
| Mesalaminebrand: Mesalamine Er | 38 | — |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$191 across 6 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
- 2006-07-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leonardo Mendez's NPI number?
- Leonardo Mendez's National Provider Identifier (NPI) is 1164441408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonardo Mendez's specialty?
- Leonardo Mendez is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Leonardo Mendez located?
- Leonardo Mendez's practice location on file with NPPES is 1635 N George Mason Dr, Arlington, VA 22205-3601.
- What is Leonardo Mendez's phone number?
- The practice phone number listed in the NPPES registry for Leonardo Mendez is (703) 522-9090.
- Does Leonardo Mendez accept Medicare?
- Leonardo Mendez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonardo Mendez's NPI active?
- Yes — Leonardo Mendez's NPI (1164441408) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.