Matthew Johnston, M.D.
Matthew Johnston, M.D. is a Surgery Physician in Seattle, WA, registered under NPI 1003062290. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
Here is what surrounds this office in Seattle, based on OpenStreetMap data collected Sep 3, 2026. Parking is available about 0.37 mi away at Harvard Garage. There is EV charging 0.27 mi from the office (EVgo) — useful if you are driving in from out of town. The nearest transit stop is 135 ft away, served by East Madison Street & 12th Avenue. A pharmacy sits 0.35 mi from the entrance (Genoa Healthcare), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 471 ft away.
Getting here and what is nearby
Transit East Madison Street & 12th Avenue 58 ft ~1 min
Transit East Union Street & 13th Avenue 76 ft ~1 min
Transit East Madison Street & 12th Avenue 135 ft ~1 min
Coffee Nudibranch Coffee 211 ft ~1 min
EV charging 229 ft ~1 min
Restaurant Katsu Burger 242 ft ~1 min
1410 12th Avenue, Seattle 98122
Mo-Th 11:00-22:00; Fr-Sa 11:00-00:00; Su 11:00-21:00
Restaurant Mint & Martini 308 ft ~2 min
EV charging Electrify America 376 ft ~2 min
Restaurant Osteria la Spiga 412 ft ~2 min
Coffee Tailwind Cafe & Bar 464 ft ~2 min
1424 11th Avenue, Seattle 98122
Tu,We 09:00-19:00; Th-Sa 09:00-20:00; Su 09:00-17:00
Coffee MariPili 471 ft ~2 min
1117 12th Avenue, Seattle 98122
Pharmacy Walgreens 647 ft ~3 min
Gas station 7-Eleven 0.22 mi ~5 min
1516 East Madison Street, Seattle 98122
Parking Diamond Parking 0.22 mi ~5 min
1120 Broadway, Seattle 98122
Convenience Food Mart 0.23 mi ~5 min
Convenience 7-Eleven 0.23 mi ~5 min
Hotel Silver Cloud Broadway 0.23 mi ~5 min
Gas station 76 0.24 mi ~5 min
Grocery QFC 0.25 mi ~6 min
Grocery Central Co-op 0.26 mi ~6 min
1600 East Madison Street, Seattle 98122
Mo-Su 08:00-22:00
EV charging EVgo 0.27 mi ~6 min
Pharmacy Walgreens 0.28 mi ~6 min
1531 Broadway, Seattle 98122
Parking Broadway Garage 0.30 mi ~7 min
824 Broadway, Seattle 98122
Gas station Shell 0.32 mi ~7 min
Hotel Seattle Gaslight Inn 0.32 mi ~7 min
Convenience Circle K 0.33 mi ~7 min
700 12th Avenue, Seattle 98122
Grocery Trader Joe's 0.33 mi ~7 min
1700 Madison Street, Seattle 98122
Mo-Su 09:00-21:00
Pharmacy Genoa Healthcare 0.35 mi ~7 min
Parking Harvard Garage 0.37 mi ~8 min
1609 Harvard Avenue, Seattle 98122
Hotel The Art Inn 0.49 mi ~10 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| MD60144427 | WA | Surgery Physician primary |
This provider holds licence MD60144427 issued in WA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Practitioner - General Surgery
- PAC ID
- 7719011402
- Enrollment ID
- I20100817000835
Medicare enrolment is recorded as approved under the provider type Practitioner - General Surgery. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Surgery covers
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery. NUCC Health Care Provider Taxonomy, code 208600000X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003062290 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Aug 7, 2008 |
| Last updated | Jul 20, 2010 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Male |
| Credential | M.D. |
| Practice address |
1221 E MADISON ST STE 1401 Seattle, WA 98122 (206) 386-6702 |
| Mailing address |
3701 38TH AVE S Seattle, WA 98144 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 0 | 6 | 2 | 2 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 0 | 6 | 4 | 2 | 9 |
Sum = 50 · next multiple of 10 = 50 · check digit = 0 · actual last digit = 0
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.