JOHN WORTHINGTON DDS, PC
JOHN WORTHINGTON DDS, PC is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1003115676, based in Portland, OR. It is classified under Dentist.
Getting there
Here is what surrounds this office in Portland, based on OpenStreetMap data collected Sep 6, 2026. Parking is available about 275 ft away. The nearest transit stop is 612 ft away, served by Northeast Broadway & 44th. A pharmacy sits 0.23 mi from the entrance (LECARE Pharmacy), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.23 mi away.
Getting here and what is nearby
Parking 109 ft ~1 min
Restaurant Dara Thai & Teriyaki 235 ft ~1 min
Transit Northeast Sandy & 44th 286 ft ~2 min
Parking 239 ft ~1 min
Parking 275 ft ~2 min
Grocery Grocery Outlet 386 ft ~2 min
4420 Northeast Hancock Street, Portland 97213
Mo-Su 08:00-21:00
Transit Northeast Sandy & 44th 424 ft ~2 min
Grocery Whole Foods Market 527 ft ~2 min
4301 Northeast Sandy Boulevard, Portland 97213
Mo-Su 08:00-21:00
Coffee Harder Day Coffee Company 607 ft ~3 min
4615 Northeast Sandy Boulevard, Portland 97213
Mo-Su 07:00-19:00
Restaurant Fusion Curry Pizza 575 ft ~3 min
4630 Northeast Sandy Boulevard, Portland 97213
Transit Northeast Broadway & 44th 612 ft ~3 min
Restaurant Killer Burger 630 ft ~3 min
Convenience 7-Eleven 782 ft ~3 min
4643 Northeast Sandy Boulevard, Portland 97213-2073
Convenience ExtraMile 971 ft ~4 min
Gas station Chevron 938 ft ~4 min
4719 Northeast Sandy Boulevard, Portland
Coffee Mud Coffee 0.21 mi ~5 min
Coffee Holly Rose 0.23 mi ~5 min
Pharmacy LECARE Pharmacy 0.23 mi ~5 min
Grocery Trader Joe's 0.24 mi ~5 min
4121 Northeast Halsey Street, Portland 97232
Mo-Su 08:00-21:00
Gas station 76 0.25 mi ~5 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 |
|---|---|---|
| D9182 | OR | Dentist primary |
This provider holds licence D9182 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 Dentist covers
A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist. NUCC Health Care Provider Taxonomy, code 122300000X
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-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1003115676 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Mar 22, 2011 |
| Last updated | Mar 22, 2011 |
| Status | Active |
| Practice address |
1904 NE 45TH AVE Portland, OR 97213 (503) 281-0866 Fax (503) 281-0867 |
| Other names |
Northeast Family Dental Former Legal Name |
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 | 1 | 1 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 2 | 1 | 1 | 6 | 5 |
Sum = 44 · next multiple of 10 = 50 · check digit = 6 · actual last digit = 6
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.