Quick answers
- Where does Carolyn A. Hammett see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, DC and Laurel, MD. Call before your visit to confirm the address.
- What is Carolyn A. Hammett's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Carolyn A. Hammett accept Medicare assignment?
- Yes. Medicare's clinician data says Carolyn A. Hammett 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 Carolyn A. Hammett offer telehealth?
- Medicare's clinician data says Carolyn A. Hammett offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Carolyn A. Hammett?
- (202) 429-2401, as listed in official Medicare / NPI Registry data.
- What is Carolyn A. Hammett's NPI number?
- 1154331908. 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 Carolyn A. Hammett is enrolled with Medicare (CMS data updated 2026-10-02).
- 1145 19th St NW, 311 Mmg at 19th Street NWWashington, DC 20036 (202) 429‑2401
- 13952 Baltimore AveLaurel, MD 20707 (301) 490‑1990
Group practices
Medicare enrollment lists Carolyn A. Hammett as a member of this group (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
Specialties
- Internal Medicineprimary
Find other Internal Medicine doctors in District of Columbia →
Other internal medicine doctors in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1154331908 |
| 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