Quick answers
- Where does Catherine Twimasi see patients?
- Medicare's clinician data lists 2 practice locations, including Halethorpe, MD and Washington, DC. Call before your visit to confirm the address.
- What is Catherine Twimasi's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Catherine Twimasi accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine Twimasi 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 Catherine Twimasi offer telehealth?
- Medicare's clinician data says Catherine Twimasi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Catherine Twimasi?
- (410) 737-5000, as listed in official Medicare / NPI Registry data.
- What is Catherine Twimasi's NPI number?
- 1669853222. 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 Catherine Twimasi is enrolled with Medicare (CMS data updated 2026-10-02).
- 1701 Twin Springs RdHalethorpe, MD 21227 (410) 737‑5000
- 700 2nd St NEWashington, DC 20002 (202) 346‑3000
Group practices
Medicare enrollment lists Catherine Twimasi as a member of this group (CMS data updated 2026-10-02).
- Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Halethorpe
Clinicians with the same Medicare primary specialty in Halethorpe, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669853222 |
| 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