Quick answers
- Does Katherine Berezowski Herrera accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine Berezowski Herrera 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 Katherine Berezowski Herrera see?
- In 2024, CMS data shows 149 Original Medicare patients and 234 services for Katherine Berezowski Herrera. This counts Original Medicare only and measures volume, not quality.
- What is Katherine Berezowski Herrera's NPI number?
- 1114033677. 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 Katherine Berezowski Herrera, 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 | 149 |
|---|---|
| Services billed to Medicare | 234 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)75 services
- Pap test (88141)62 services
- Screening cytopathology smears, cervical or vaginal, performed by automated system, with manual rescreening, requiring interpretation by physician (G0141)27 services
- Preparation of tissue for examination by removing any calcium present (88311)16 services
- Pathology examination of tissue using a microscope, moderately low complexity (88304)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 cholesterol75%
- High blood pressure66%
- Arthritis48%
- Diabetes28%
- Anxiety25%
- Depression22%
Practice locations
Addresses where Katherine Berezowski Herrera is enrolled with Medicare (CMS data updated October 2, 2026).
- 203 Perry Pkwy, Suite 1Gaithersburg, MD 20877 (571) 982‑6636
- 9470 Annapolis Rd, Suite 309Lanham, MD 20706 (202) 832‑1800
- 950 N Glebe Rd, Suite 700Arlington, VA 22203
Group practices
Medicare enrollment lists Katherine Berezowski Herrera as a member of this group (CMS data updated October 2, 2026).
- Privia Medical Group, LLC1,533 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Other clinicians in Privia Medical Group, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114033677 |
| 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