Quick answers
- Which hospitals does Tammara Davis work at?
- Medicare's official clinician data lists Tammara Davis at 1 hospital: MedStar Saint Mary's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tammara Davis see patients?
- Medicare's clinician data lists 4 practice locations, including Rockville, MD, Leonardtown, MD and Alexandria, VA. Call before your visit to confirm the address.
- What is Tammara Davis's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Tammara Davis accept Medicare assignment?
- Yes. Medicare's clinician data says Tammara Davis 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 Tammara Davis offer telehealth?
- Medicare's clinician data says Tammara Davis offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Tammara Davis?
- (833) 351-8255, as listed in official Medicare / NPI Registry data.
- What is Tammara Davis's NPI number?
- 1386844603. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tammara Davis works
Medicare's Facility Affiliation Data lists Tammara Davis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Saint Mary's HospitalLeonardtown, MD · Acute Care Hospital · CCN 210028
Practice locations
Addresses where Tammara Davis is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Research Ct, Suite 450Rockville, MD 20850 (833) 351‑8255
- 25500 Point Lookout RdLeonardtown, MD 20650 (202) 360‑4787
- 2800 Eisenhower Ave, Suite 220 TalkiatryAlexandria, VA 22314 (833) 351‑8255
- 66 E Main StWestminster, MD 21157 (833) 351‑8255
Group practices
Medicare enrollment lists Tammara Davis as a member of these groups (CMS data updated 2026-10-02).
- MCCD Fl Psychiatry Services PA801 clinicians in the group
- Axis Healthcare Group73 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1386844603 |
| 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