Quick answers
- Does Brendan C. Griesmer accept Medicare assignment?
- Yes. Medicare's clinician data says Brendan C. Griesmer 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 C. Griesmer see?
- In 2024, CMS data shows 867 Original Medicare patients and 4,812 services for Brendan C. Griesmer. This counts Original Medicare only and measures volume, not quality.
- What is Brendan C. Griesmer's NPI number?
- 1295767317. 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 C. Griesmer, 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 | 867 |
|---|---|
| Services billed to Medicare | 4,812 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,883 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)1,401 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)638 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)231 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)134 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 pressure74%
- Arthritis41%
- Diabetes27%
- Ischemic heart disease24%
- Depression23%
Hospitals where Brendan C. Griesmer works
Medicare's Facility Affiliation Data lists Brendan C. Griesmer 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.
- Conway Medical CenterConway, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420049
- Grand Strand Regional Medical CenterMyrtle Beach, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420085
- McLeod Loris HospitalLoris, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 420105
- Tidelands Georgetown Memorial HospitalGeorgetown, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420020
- Tidelands Waccamaw Community HospitalMurrells Inlet, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420098
Practice locations
Addresses where Brendan C. Griesmer is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 McLeod Health Blvd, Suite 201Myrtle Beach, SC 29579 (843) 646‑8001
Group practices
Medicare enrollment lists Brendan C. Griesmer as a member of this group (CMS data updated October 2, 2026).
- McLeod Physician Associates II550 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Myrtle Beach
Clinicians with the same Medicare primary specialty in Myrtle Beach, SC — not a recommendation.
Other clinicians in McLeod Physician Associates II
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| 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) | 1295767317 |
| 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