Quick answers
- Where does Agnes B. Heyl see patients?
- Medicare's clinician data lists 3 practice locations, including Timonium, MD, Baltimore, MD and Westminster, MD. Call before your visit to confirm the address.
- What is Agnes B. Heyl's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Agnes B. Heyl accept Medicare assignment?
- Yes. Medicare's clinician data says Agnes B. Heyl 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 Agnes B. Heyl offer telehealth?
- Medicare's clinician data says Agnes B. Heyl offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Agnes B. Heyl?
- (410) 938-5434, as listed in official Medicare / NPI Registry data.
- What is Agnes B. Heyl's NPI number?
- 1174540918. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Agnes B. Heyl is enrolled with Medicare (CMS data updated 2026-10-02).
- 1925 Greenspring DrTimonium, MD 21093 (410) 938‑5434
- 2225 N Charles StBaltimore, MD 21218 (410) 938‑5434
- 288 E Green StWestminster, MD 21157 (410) 938‑5434
Group practices
Medicare enrollment lists Agnes B. Heyl as a member of this group (CMS data updated 2026-10-02).
- Mosaic Community Services, Inc60 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Timonium
Clinicians with the same Medicare primary specialty in Timonium, MD — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1174540918 |
| 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 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