Lisa Alvarez, M.D.
NPI 1437315959 · Gastroenterology Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisa Alvarez, M.D. is a Gastroenterology Physician provider in Dallas, TX (NPI 1437315959).
Provider details
- NPI number
- 1437315959
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- Q1076 (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
17 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
750 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) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 202 | $138 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 163 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 132 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 111 | $89 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 66 | $240 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 496 | 206 |
| Omeprazole | 136 | 57 |
| Famotidine | 131 | 48 |
| Linaclotidebrand: Linzess | 43 | 15 |
| Sucralfate | 43 | 19 |
| Colestipol Hcl | 38 | 11 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 24 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,596 across 83 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
- 2008-08-04
- Last updated
- 2019-03-26
Frequently asked questions
- What is Lisa Alvarez's NPI number?
- Lisa Alvarez's National Provider Identifier (NPI) is 1437315959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa Alvarez's specialty?
- Lisa Alvarez is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Lisa Alvarez located?
- Lisa Alvarez's practice location on file with NPPES is 8220 Walnut Hill Ln Ste 710, Dallas, TX 75231-4427.
- What is Lisa Alvarez's phone number?
- The practice phone number listed in the NPPES registry for Lisa Alvarez is (214) 368-6707.
- Does Lisa Alvarez accept Medicare?
- Lisa Alvarez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisa Alvarez's NPI active?
- Yes — Lisa Alvarez's NPI (1437315959) is active in the NPPES registry as of the last update on 2019-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.