Justin Frere, MD, PHD
Justin Frere, MD, PHD is a provider specialising in Student in an Organized Health Care Education/Training Program in Boston, MA, registered under NPI 1003755646.
Getting there
Here is what surrounds this office in Boston, based on OpenStreetMap data collected Sep 11, 2026. Parking is available about 0.35 mi away at MASCO Building. There is EV charging 0.25 mi from the office (ChargePoint) — useful if you are driving in from out of town. The nearest transit stop is 729 ft away, served by 835 Huntington Ave opp Parker Hill Ave. A pharmacy sits 0.25 mi from the entrance (CVS Pharmacy), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.28 mi away.
Getting here and what is nearby
Restaurant Panera Bread 421 ft ~2 min
Transit Huntington Ave @ Fenwood Rd 683 ft ~3 min
Transit Huntington Ave opp Fenwood Rd 728 ft ~3 min
Transit 835 Huntington Ave opp Parker Hill Ave 729 ft ~3 min
Restaurant Penguin Pizza 718 ft ~3 min
Convenience 7-Eleven 959 ft ~4 min
Pharmacy Walgreens 977 ft ~4 min
Restaurant TGI Fridays 958 ft ~4 min
Grocery Stop & Shop 0.22 mi ~5 min
1620 Tremont Street, Boston 02120
Mo-Su 07:00-22:00
Hotel Inn at Longwood Medical 0.23 mi ~5 min
Coffee Starbucks 0.24 mi ~5 min
283 Longwood Avenue, Boston 02115
Mo-Fr 05:30-20:00; Sa-Su 06:00-19:00
Convenience Food Mart 0.24 mi ~5 min
Gas station Shell 0.24 mi ~5 min
1600 Tremont Street
EV charging ChargePoint 0.25 mi ~6 min
Pharmacy CVS Pharmacy 0.25 mi ~5 min
350 Longwood Avenue, Boston 02115
Mo-Fr 06:30-22:00; Sa-Su 08:00-22:00
Coffee Starbucks 0.26 mi ~6 min
364 Brookline Avenue, Boston 02115
Mo-Fr 05:30-20:00
Coffee Caffè Nero 0.28 mi ~6 min
Parking Main Garage 0.31 mi ~7 min
340 Brookline Avenue
Gas station Citgo 0.33 mi ~7 min
914 Huntington Avenue, Jamaica Plain 02130
Parking Boston Latin School Side Parking Lot 0.34 mi ~7 min
78 Avenue Louis Pasteur, Boston 02115
Parking MASCO Building 0.35 mi ~8 min
375 Longwood Avenue
Hotel Hilton Garden Inn Boston Brookline 0.38 mi ~8 min
Convenience Hillside Market 0.40 mi ~9 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
NPPES does not list a state licence number for this record. That is not unusual — organizations and some provider types are not required to file one. Verify current licensure with the relevant state board before care.
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 Student in an Organized Health Care Education/Training Program covers
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care. NUCC Health Care Provider Taxonomy, code 390200000X
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 | 1003755646 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Mar 27, 2026 |
| Last updated | Mar 27, 2026 |
| Status | Active |
| Sole proprietor | No |
| Gender | Male |
| Credential | MD, PHD |
| Practice address |
60 FENWOOD RD Boston, MA 02115 (617) 732-6753 |
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 | 7 | 5 | 5 | 6 | 4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 5 | 5 | 1 | 6 | 8 |
Sum = 54 · next multiple of 10 = 60 · 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.