Quick answers
- Does Edward F. Coles accept Medicare assignment?
- Yes. Medicare's clinician data says Edward F. Coles accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Edward F. Coles see?
- In 2024, CMS data shows 612 Original Medicare patients and 3,171 services for Edward F. Coles. This counts Original Medicare only and measures volume, not quality.
- What is Edward F. Coles's NPI number?
- 1912991621. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Edward F. Coles, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 612 |
|---|---|
| Services billed to Medicare | 3,171 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)205 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)196 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)151 services
- Biopsy of large bowel using a flexible endoscope (45380)97 services
- Insertion of guide wire with dilation of esophagus using a flexible endoscope (43248)87 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure72%
- Arthritis44%
- Ischemic heart disease34%
- Diabetes21%
- Anxiety18%
Practice locations
Addresses where Edward F. Coles is enrolled with Medicare (CMS data updated October 2, 2026).
- 1305 Wonder World Dr, Suite 200San Marcos, TX 78666 (512) 754‑8476
- 5425 W Spring Creek Pkwy, Suite 205Plano, TX 75024 (972) 526‑5860
Group practices
Medicare enrollment lists Edward F. Coles as a member of this group (CMS data updated October 2, 2026).
- Texas Digestive Disease Consultants, PLLC608 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in San Marcos
Clinicians with the same Medicare primary specialty in San Marcos, TX — not a recommendation.
Other clinicians in Texas Digestive Disease Consultants, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912991621 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians