Quick answers
- Which hospitals does Mary Cook work at?
- Medicare's official clinician data lists Mary Cook at 2 hospitals: Umd Upper Chesapeake Medical Center and University of Maryland Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary Cook see patients?
- Medicare's clinician data lists 3 practice locations, including Forest Hill, MD, Bel Air, MD and Aberdeen, MD. Call before your visit to confirm the address.
- What is Mary Cook's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Mary Cook accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Cook 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.
- Does Mary Cook offer telehealth?
- Medicare's clinician data says Mary Cook offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mary Cook?
- (443) 643-3010, as listed in official Medicare / NPI Registry data.
- What is Mary Cook's NPI number?
- 1639600620. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary Cook works
Medicare's Facility Affiliation Data lists Mary Cook at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Umd Upper Chesapeake Medical CenterBel Air, MD · Acute Care Hospital · CCN 210049
- University of Maryland Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210002
Practice locations
Addresses where Mary Cook is enrolled with Medicare (CMS data updated 2026-10-02).
- 12 Newport Dr, Suite AForest Hill, MD 21050
- 500 Upper Chesapeake DrBel Air, MD 21014 (443) 643‑3010
- 650 McHenry Rd, Suite 3100Aberdeen, MD 21001 (443) 843‑7800
Group practices
Medicare enrollment lists Mary Cook as a member of these groups (CMS data updated 2026-10-02).
- Agape Physical Therapy and Sports Rehabilitation LP678 clinicians in the group
- Upper Chesapeake Hematology and Oncology Services, LLC12 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Forest Hill
Clinicians with the same Medicare primary specialty in Forest Hill, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1639600620 |
| 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