Quick answers
- Where does Tin M. Oo see patients?
- Medicare's clinician data lists 4 practice locations, including Annapolis, MD, Fulton, MD and Ellicott City, MD. Call before your visit to confirm the address.
- What is Tin M. Oo's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Tin M. Oo accept Medicare assignment?
- Yes. Medicare's clinician data says Tin M. Oo 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 Tin M. Oo offer telehealth?
- Medicare's clinician data says Tin M. Oo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Tin M. Oo?
- (410) 943-2484, as listed in official Medicare / NPI Registry data.
- What is Tin M. Oo's NPI number?
- 1184612889. 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 Tin M. Oo is enrolled with Medicare (CMS data updated 2026-10-02).
- 2554 Solomons Island Rd, Suite B 5Annapolis, MD 21401 (410) 943‑2484
- 2554 Solomons Island Rd, Suite B5Annapolis, MD 21401 (703) 878‑8800
- 8175 Westside Blvd, Suite DFulton, MD 20759 (443) 393‑3657
- 9398 Baltimore National PikeEllicott City, MD 21042 (410) 216‑6891
Group practices
Medicare enrollment lists Tin M. Oo as a member of these groups (CMS data updated 2026-10-02).
- Comprehensive Primary Care and Associates LLC171 clinicians in the group
- Capital Healthcare PC100 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Annapolis
Clinicians with the same Medicare primary specialty in Annapolis, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1184612889 |
| 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