Doctor profile · Federal record
Dr. Mayumi Endo, M.D
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Seattle, WA
- NPI 1285946541
- Accepts Medicare
- MIPS 87.0 / 100 · 2023
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1959 Ne Pacific St
Seattle, WA 98195
(206) 520-5000 - Additional location
-
3181 Sw Sam Jackson Park RD
Portland, OR 97239
(503) 721-7903 - Mailing address
-
Po Box 50095
Seattle, WA 981455095
Credentials & registration
- NPI registered
- July 2010 — 16 yrs on file
- Profile last updated
- November 18, 2019
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Washington #MD60693609
- Medicaid
- WA #1285946541
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285946541. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
230
Distinct HCPCS
8
Medicare allowed
$24,813
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 55 | 47 | $103 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 40 | 31 | $83 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 30 | 28 | $154 | |
10005 |
Fine needle aspiration biopsy using ultrasound guidance, first growth | 28 | 28 | $78 | |
76536 |
Ultrasound scan of head and neck soft tissue | 23 | 23 | $28 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $143 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 19 | 19 | $194 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 15 | 12 | $121 |
In context: peer comparison
Among 17 peers in this city , average services per provider: 96. This provider delivers 2.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
211
Patients
35
Total drug cost
$58,309
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 113 | 35 | $1,684 |
| Methimazole | Generic | 28 | 0 | $792 |
| Jardiance (Empagliflozin) | Brand | 27 | 0 | $41,545 |
| Synthroid (Levothyroxine Sodium) | Brand | 17 | 0 | $2,286 |
| Hydrocortisone | Generic | 15 | 0 | $1,656 |
| Novolog Flexpen (Insulin Aspart) | Brand | 11 | 0 | $10,346 |
Hospital affiliations
Frequently asked questions
What is Dr. Mayumi Endo's medical specialty?
Dr. Mayumi Endo practices Endocrinology, Diabetes & Metabolism Physician in Seattle, WA.
Where does Dr. Mayumi Endo practice?
Dr. Mayumi Endo practices at 1959 Ne Pacific St, Seattle, WA 98195. Office phone: 2065205000.
What is Dr. Mayumi Endo's NPI?
Dr. Mayumi Endo's National Provider Identifier (NPI) is 1285946541, issued by NPPES.
Does Dr. Mayumi Endo accept Medicare assignment?
Yes. Dr. Mayumi Endo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mayumi Endo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.