Donna Mcmyler, MD
NPI 1861599524 · Gastroenterology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donna Mcmyler, MD is a Gastroenterology Physician provider in San Antonio, TX (NPI 1861599524).
Provider details
- NPI number
- 1861599524
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- M1234 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,139 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 | 214 | $86 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 210 | $236 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 209 | $120 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 149 | $100 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 91 | $107 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 472 | 194 |
| Pantoprazole Sodium | 348 | 156 |
| Omeprazole | 336 | 165 |
| Dicyclomine Hcl | 195 | 82 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 95 | 92 |
| Linaclotidebrand: Linzess | 62 | 17 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 56 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,388 across 68 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
Additional practice locations (3)
- 12850 Toepperwein RdLive Oak, TX 78233-4115Phone: (210) 614-1234Fax: (210) 614-0952
- 5223 Hamilton Wolfe RdSan Antonio, TX 78229-4463Phone: (210) 614-1234Fax: (210) 614-0952
- 855 Proton RdSan Antonio, TX 78258-4203Phone: (210) 614-1234Fax: (210) 614-7749
Registry dates
- Enumerated
- 2006-09-17
- Last updated
- 2018-03-17
Frequently asked questions
- What is Donna Mcmyler's NPI number?
- Donna Mcmyler's National Provider Identifier (NPI) is 1861599524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donna Mcmyler's specialty?
- Donna Mcmyler is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Donna Mcmyler located?
- Donna Mcmyler's practice location on file with NPPES is 855 Proton Rd, San Antonio, TX 78258-4203.
- What is Donna Mcmyler's phone number?
- The practice phone number listed in the NPPES registry for Donna Mcmyler is (210) 614-1234.
- Does Donna Mcmyler accept Medicare?
- Donna Mcmyler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donna Mcmyler's NPI active?
- Yes — Donna Mcmyler's NPI (1861599524) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.