Quick answers
- Does Katarina J. Marinzel accept Medicare assignment?
- Yes. Medicare's clinician data says Katarina J. Marinzel 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 Katarina J. Marinzel see?
- In 2024, CMS data shows 168 Original Medicare patients and 549 services for Katarina J. Marinzel. This counts Original Medicare only and measures volume, not quality.
- What is Katarina J. Marinzel's NPI number?
- 1023668555. 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 Katarina J. Marinzel, 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 | 168 |
|---|---|
| Services billed to Medicare | 549 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)166 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)85 services
- Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif (G0318)77 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)45 services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)42 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%
- Arthritis65%
- Depression60%
- Anxiety55%
- Alzheimer's disease or dementia55%
Practice locations
Addresses where Katarina J. Marinzel is enrolled with Medicare (CMS data updated October 2, 2026).
- 1051 Brightseat RdLandover, MD 20785 (240) 487‑4400
- 6701 N Charles StBaltimore, MD 21204
- 6701 N Charles St, 4105 Gilchrist Elder Medical CareGilchrist Elder Medical C, MD 21204 (443) 849‑3184
- 7600 Laurel Bowie RdBowie, MD 20715 (301) 200‑0712
Group practices
Medicare enrollment lists Katarina J. Marinzel as a member of this group (CMS data updated October 2, 2026).
- Gilchrist Hospice Care Inc52 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Landover
Clinicians with the same Medicare primary specialty in Landover, MD — not a recommendation.
Other clinicians in Gilchrist Hospice Care Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1023668555 |
| 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