Del Thornton, LCSW
Del Thornton, LCSW is a provider specialising in Clinical Social Worker in Portland, OR, registered under NPI 1003090259. 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 Portland, based on OpenStreetMap data collected Sep 4, 2026. Parking is available about 345 ft away. There is EV charging 0.34 mi from the office — useful if you are driving in from out of town. The nearest transit stop is 843 ft away, served by Southwest Alder & 10th. A pharmacy sits 0.21 mi from the entrance (Safeway), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 797 ft away.
Getting here and what is nearby
Convenience Junior's 45 ft ~1 min
1026 Southwest Taylor Street, Portland 97205
Restaurant Addy's Sandwich Bar 90 ft ~1 min
911 Southwest 10th Avenue, Portland 97205
Mo-Fr 09:00-17:00; Sa 10:00-17:00
Transit Southwest Salmon & 10th 214 ft ~1 min
Parking City Center Parking 233 ft ~1 min
938 Southwest Taylor Street, Portland 97205
Restaurant The Daily Feast 233 ft ~1 min
837 Southwest 11th Avenue, Portland 97205
Mo-Fr 07:00-14:00; Sa,Su 07:00-15:00
Restaurant East India Co. 279 ft ~2 min
821 Southwest 11th Avenue, Portland 97205
Tu-Th 17:00-09:00, Fr-Su 16:30-21:30
Parking Southpark Garage 336 ft ~2 min
914 Southwest Taylor Street, Portland 97205
Coffee Case Study Coffee Roasters 354 ft ~2 min
Parking 345 ft ~2 min
833 Southwest 11th Avenue, Portland 97205
Hotel Paramount Hotel 481 ft ~2 min
Coffee Tea & Tea 591 ft ~3 min
Transit Southwest Morrison & 12th 715 ft ~3 min
Hotel Sentinel 756 ft ~3 min
Coffee Azar Indulgences 797 ft ~4 min
EV charging Tesla Supercharger 773 ft ~3 min
Hotel The Heathman Hotel 803 ft ~4 min
Transit Southwest Alder & 10th 843 ft ~4 min
EV charging 953 ft ~4 min
Convenience Hop City Market 1,028 ft ~4 min
Convenience Plaid Pantry 0.20 mi ~4 min
Pharmacy Safeway 0.21 mi ~5 min
1010 Southwest Jefferson Street, Portland 97201
Mo-Fr 09:00-21:00; Sa 09:00-18:00; Su 10:00-18:00
Grocery Safeway 0.21 mi ~5 min
1010 Southwest Jefferson Street, Portland 97201
06:00-24:00
Grocery Whole Foods Market 0.33 mi ~7 min
1210 Northwest Couch Street, Portland 97209
Mo-Su 08:00-21:00
EV charging 0.34 mi ~7 min
Grocery World Foods 0.47 mi ~10 min
830 Northwest Everett Street, Portland 97209
Mo-Su 08:00-20:00
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 |
|---|---|---|
| L3047 | OR | Clinical Social Worker primary |
This provider holds licence L3047 issued in OR. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Clinical covers
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances. NUCC Health Care Provider Taxonomy, code 1041C0700X
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 | 1003090259 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Dec 24, 2007 |
| Last updated | Dec 24, 2007 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Male |
| Credential | LCSW |
| Practice address |
1020 SW TAYLOR #345 Portland, OR 97205 (503) 449-3238 |
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 | 9 | 0 | 2 | 5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 0 | 9 | 0 | 2 | 1 |
Sum = 41 · next multiple of 10 = 50 · check digit = 9 · actual last digit = 9
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.