Quick answers
- Does Brendan M. De Marco accept Medicare assignment?
- Yes. Medicare's clinician data says Brendan M. De Marco 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 Brendan M. De Marco see?
- In 2024, CMS data shows 98 Original Medicare patients and 226 services for Brendan M. De Marco. This counts Original Medicare only and measures volume, not quality.
- What is Brendan M. De Marco's NPI number?
- 1083632459. 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 Brendan M. De Marco, 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 | 98 |
|---|---|
| Services billed to Medicare | 226 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)71 services
- Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth (G0427)24 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)23 services
- Follow-up inpatient consultation, complex, physicians typically spend 35 minutes communicating with the patient via telehealth (G0408)17 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)15 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 blood pressure75%
- High cholesterol75%
- Diabetes54%
- Anxiety54%
- Chronic kidney disease54%
- Ischemic heart disease53%
Hospitals where Brendan M. De Marco works
Medicare's Facility Affiliation Data lists Brendan M. De Marco at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- SSM Health Saint Louis University HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 260105
Practice locations
Addresses where Brendan M. De Marco is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Medical Ctr BlvdCookeville, TN 38501 (972) 449‑0540
- 1201 S Grand BlvdSaint Louis, MO 63104 (314) 617‑2000
- 2653 Locust StSaint Louis, MO 63103 (855) 751‑8879
- 551 Hill Country DrKerrville, TX 78028 (972) 449‑0540
Group practices
Medicare enrollment lists Brendan M. De Marco as a member of these groups (CMS data updated October 2, 2026).
- SSM Health Care Group940 clinicians in the group
- Access Telecare PLLC413 clinicians in the group
- Vivent Health Inc53 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Cookeville
Clinicians with the same Medicare primary specialty in Cookeville, TN — not a recommendation.
Other clinicians in SSM Health Care Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1083632459 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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