Summer Massina, ARNP
Summer Massina, ARNP is a Family Nurse Practitioner in Portland, OR, registered under NPI 1003303165. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
Here is what surrounds this office in Portland, based on OpenStreetMap data collected Sep 17, 2026. Parking is available about 0.34 mi away. The nearest transit stop is 905 ft away, served by Portland Union Station. A pharmacy sits 0.25 mi from the entrance (Safeway), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 887 ft away.
Getting here and what is nearby
Restaurant Hotlips Pizza 40 ft ~1 min
721 Northwest 9th Avenue, Portland 97209
11:00-22:00
Restaurant Burrito Bar 334 ft ~2 min
911 Northwest Hoyt Street, Portland 97209
Mo-Fr 10:00-21:00; Su 10:00-20:00
Parking 479 ft ~2 min
936 Northwest Hoyt Street, Portland 97209
Restaurant Yama Sushi & Sake Bar 545 ft ~3 min
926 Northwest 10th Avenue, Portland 97209
Mo-Th 11:30-14:30,16:30-21:30; Fr 11:30-23:00; Sa 12:00-23:00; Su 12:00-21:00
Transit Northwest Glisan & 10th 653 ft ~3 min
Coffee Greenleaf 682 ft ~3 min
810 Northwest 12th Avenue, Portland 97209
Mo-Fr 07:00-18:00; Sa,Su 08:00-18:00
Coffee Sweet Coco G 724 ft ~3 min
525 Northwest 11th Avenue
Hotel Canopy by Hilton 733 ft ~3 min
Transit Northwest Broadway & Irving 818 ft ~4 min
Convenience 9th Avenue Mini Mart 821 ft ~4 min
Transit Portland Union Station 905 ft ~4 min
Coffee Cafe at Harlow Hotel 887 ft ~4 min
722 Northwest Glisan Street, Portland 97209
Pharmacy Capsule Pharmacy 998 ft ~4 min
Hotel Hampton 0.20 mi ~5 min
Hotel Residence Inn 0.20 mi ~5 min
Grocery World Foods 0.24 mi ~5 min
830 Northwest Everett Street, Portland 97209
Mo-Su 08:00-20:00
Pharmacy Safeway 0.25 mi ~5 min
1303 Northwest Lovejoy Street, Portland 97209
Mo-Fr 09:00-21:00; Sa 09:00-18:00; Su 10:00-18:00
Grocery Safeway 0.25 mi ~5 min
1303 Northwest Lovejoy Street, Portland 97209
06:00-24:00
Parking Pearl Auto Park 0.28 mi ~6 min
1111 Northwest Davis Street, Portland 97209
Parking 0.34 mi ~7 min
34 Northwest 9th Avenue, Portland 97209
Grocery Whole Foods Market 0.37 mi ~8 min
1210 Northwest Couch Street, Portland 97209
Mo-Su 08:00-21:00
Convenience McCormick Pier Grocery & Deli 0.38 mi ~8 min
600 Northwest Naito Parkway, Portland 97209
Mo-Fr 07:00-22:00, Sa-Su 08:00-22:00
Convenience Helen's Market 0.39 mi ~8 min
2 Northwest Broadway, Portland 97209
Gas station Chevron 0.47 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 |
|---|---|---|
| 202213854NP-PP | OR | Family Nurse Practitioner primary |
| A134262 | IA | Nurse Practitioner |
Licences are recorded in 2 states: OR, IA. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.
- Status
- Approved
- Provider type
- Practitioner - Nurse Practitioner
- PAC ID
- 8729343447
- Enrollment ID
- I20230222001242
Medicare enrolment is recorded as approved under the provider type Practitioner - Nurse Practitioner. 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.
Licensed in 2 states
This provider holds licences in 2 states: Iowa and Oregon. The practice address on file is in Portland, OR, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.
- Licence
- 202213854NP-PP
- Specialty
- Family Nurse Practitioner
Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.
What Family covers
Definition to come... NUCC Health Care Provider Taxonomy, code 363LF0000X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 363LF0000X | Family Nurse Practitioner Family | 202213854NP-PP | OR | primary |
| 363L00000X | Nurse Practitioner | A134262 | IA |
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 | 1003303165 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Apr 15, 2018 |
| Last updated | Jan 19, 2023 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Credential | ARNP |
| Practice address |
721 NW 9TH AVE STE 100 Portland, OR 97209 (503) 525-0090 |
| Mailing address |
2710 SAINT FRANCIS DR Waterloo, IA 50702 |
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 | 3 | 0 | 3 | 1 | 6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 6 | 0 | 6 | 1 | 3 |
Sum = 45 · next multiple of 10 = 50 · check digit = 5 · actual last digit = 5
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.