Quick answers
- Does Randal P. Riesett accept Medicare assignment?
- Yes. Medicare's clinician data says Randal P. Riesett 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 Randal P. Riesett see?
- In 2024, CMS data shows 264 Original Medicare patients and 1,423 services for Randal P. Riesett. This counts Original Medicare only and measures volume, not quality.
- What is Randal P. Riesett's NPI number?
- 1396738779. 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 Randal P. Riesett, 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 | 264 |
|---|---|
| Services billed to Medicare | 1,423 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)365 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)336 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)179 services
- Administration of influenza virus vaccine (G0008)112 services
- Influenza vaccine split virus, preservative free (90662)108 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 pressure62%
- High cholesterol53%
- Arthritis41%
- Ischemic heart disease33%
- Diabetes19%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%
Practice locations
Addresses where Randal P. Riesett is enrolled with Medicare (CMS data updated October 2, 2026).
- 2470 Longstone Ln, Suite IMarriottsville, MD 21104 (410) 910‑2300
Group practices
Medicare enrollment lists Randal P. Riesett as a member of this group (CMS data updated October 2, 2026).
- Charter Internal Medicine, LLC2 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Other clinicians in Charter Internal Medicine, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1999 (27 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) | 1396738779 |
| 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