Quick answers
- Which hospitals does David Kassop work at?
- Medicare's official clinician data lists David Kassop at 3 hospitals: Frederick Health Hospital, George Washington Univ Hospital and Suburban Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Kassop see patients?
- Medicare's clinician data lists 3 practice locations, including Frederick, MD. Call before your visit to confirm the address.
- What is David Kassop's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does David Kassop accept Medicare assignment?
- Yes. Medicare's clinician data says David Kassop accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for David Kassop?
- (240) 215-6310, as listed in official Medicare / NPI Registry data.
- What is David Kassop's NPI number?
- 1891992400. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Kassop works
Medicare's Facility Affiliation Data lists David Kassop at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · CCN 210005
- George Washington Univ HospitalWashington, DC · Acute Care Hospital · CCN 090001
- Suburban HospitalBethesda, MD · Acute Care Hospital · CCN 210022
Practice locations
Addresses where David Kassop is enrolled with Medicare (CMS data updated 2026-10-02).
- 400 W 7th StFrederick, MD 21701
- 501 W 7th StFrederick, MD 21701 (240) 215‑6310
- 74 Thomas Johnson DrFrederick, MD 21702 (301) 694‑9033
Group practices
Medicare enrollment lists David Kassop as a member of these groups (CMS data updated 2026-10-02).
- Frederick Health Hospital Inc127 clinicians in the group
- Sherman Kahan, M.D., P.A.17 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Maryland →
Other cardiologists in Frederick
Clinicians with the same Medicare primary specialty in Frederick, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891992400 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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