Doctor profile · Federal record
Dr. Mary Dion, MD
Anesthesiology Physician (CMS: Anesthesiology) · Seattle, WA
- NPI 1225001290
- Accepts Medicare
- 51 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1100 9Th Ave
Seattle, WA 981012756
(206) 223-6600 - Mailing address
-
1100 Olive Way, MS: M4-PA
Seattle, WA 981011873
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- November 15, 2011
- Year of graduation
- 1975 — 51 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Washington #MD00019339
- Medicaid
- WA #8343709
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225001290. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
25
Distinct HCPCS
2
Medicare allowed
$3,956
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 13 | 13 | $149 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 12 | 12 | $168 |
In context: peer comparison
Among 172 peers in Seattle Anesthesiology Physician, average services per provider: 23. This provider delivers 1.1× the peer median.Open Payments
Industry payments received
All-time total
$54
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Avanos Medical | 1 | $53.70 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Mary Dion's medical specialty?
Dr. Mary Dion practices Anesthesiology Physician in Seattle, WA.
Where does Dr. Mary Dion practice?
Dr. Mary Dion practices at 1100 9Th Ave, Seattle, WA 981012756. Office phone: 2062236600.
What is Dr. Mary Dion's NPI?
Dr. Mary Dion's National Provider Identifier (NPI) is 1225001290, issued by NPPES.
Does Dr. Mary Dion accept Medicare assignment?
Yes. Dr. Mary Dion accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Dion commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.