Quick answers
- Does Dorothy M. Seay accept Medicare assignment?
- Yes. Medicare's clinician data says Dorothy M. Seay accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Dorothy M. Seay see?
- In 2024, CMS data shows 382 Original Medicare patients and 1,444 services for Dorothy M. Seay. This counts Original Medicare only and measures volume, not quality.
- What is Dorothy M. Seay's NPI number?
- 1255376539. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Dorothy M. Seay, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 382 |
|---|---|
| Services billed to Medicare | 1,444 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)484 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)411 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)201 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)57 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)47 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Diabetes54%
- Alzheimer's disease or dementia53%
- Depression52%
Practice locations
Addresses where Dorothy M. Seay is enrolled with Medicare (CMS data updated October 2, 2026).
- 1300 I St NW, Suite 400eWashington, DC 20005 (888) 964‑6681
- 6700 Alexander Bell Dr, Suite 200Columbia, MD 21046 (888) 964‑6681
Group practices
Medicare enrollment lists Dorothy M. Seay as a member of this group (CMS data updated October 2, 2026).
- Healthdrive Medical Services PC52 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.
Other clinicians in Healthdrive Medical Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255376539 |
| 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 October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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