Doctor profile · Federal record
Dr. Mary-Elizabeth Percival, M.D.
Hematology (Internal Medicine) Physician (CMS: Hematology) · Internal Medicine Physician · Hematology & Oncology Physician · Seattle, WA
- NPI 1225278955
- Accepts Medicare
- MIPS 87.0 / 100 · 2023
- 19 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
825 Eastlake Ave E, Seattle Cancer Care Alliance
Seattle, WA 98109
(206) 598-6190 - Mailing address
-
Box 358081 / MS G6-075, University of Washington
Seattle, WA 981091023
Credentials & registration
- NPI registered
- February 2009 — 17 yrs on file
- Profile last updated
- October 29, 2015
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207RH0000X — NUCC code
- State licenses (2)
- Washington #MD.MD.60591746 · California #A106581
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225278955. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
317
Distinct HCPCS
4
Medicare allowed
$41,498
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 103 | 42 | $154 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 102 | 20 | $127 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 83 | 17 | $85 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 29 | 29 | $194 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 49. This provider delivers 6.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$300
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 11 | 0 | $300 |
Hospital affiliations
Frequently asked questions
What is Dr. Mary-Elizabeth Percival's medical specialty?
Dr. Mary-Elizabeth Percival practices Hematology (Internal Medicine) Physician in Seattle, WA.
Where does Dr. Mary-Elizabeth Percival practice?
Dr. Mary-Elizabeth Percival practices at 825 Eastlake Ave E, Seattle, WA 98109. Office phone: 2065986190.
What is Dr. Mary-Elizabeth Percival's NPI?
Dr. Mary-Elizabeth Percival's National Provider Identifier (NPI) is 1225278955, issued by NPPES.
Does Dr. Mary-Elizabeth Percival accept Medicare assignment?
Yes. Dr. Mary-Elizabeth Percival accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary-Elizabeth Percival commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.