Joanna Etra, M.D.
Joanna Etra, M.D. is a Trauma Surgery Physician in Boston, MA, registered under NPI 1003233560. 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 Boston, based on OpenStreetMap data collected Sep 13, 2026. Parking is available about 0.32 mi away at Longwood Parking Lot. There is EV charging 0.50 mi from the office — useful if you are driving in from out of town. The nearest transit stop is 393 ft away, served by Brookline Ave @ Deaconess Rd. A pharmacy sits 0.35 mi from the entrance (Walgreens), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.26 mi away.
Getting here and what is nearby
Transit Brookline Ave @ Francis St 47 ft ~1 min
Transit Brookline Ave @ Francis St 120 ft ~1 min
Transit Brookline Ave @ Deaconess Rd 393 ft ~2 min
Restaurant Dunkin' 399 ft ~2 min
457 Brookline Avenue, Boston 02215
Mo-Fr 05:00-18:00; Sa-Su 05:00-16:00
Restaurant Panera Bread 695 ft ~3 min
Coffee Caffè Nero 863 ft ~4 min
Pharmacy CVS Pharmacy 846 ft ~4 min
350 Longwood Avenue, Boston 02115
Mo-Fr 06:30-22:00; Sa-Su 08:00-22:00
Restaurant Dunkin' 854 ft ~4 min
350 Longwood Avenue, Boston 02115
Mo-Fr 06:00-18:00; Sa-Su 06:00-16:00
Hotel Inn at Longwood Medical 963 ft ~4 min
Coffee Starbucks 0.20 mi ~5 min
364 Brookline Avenue, Boston 02115
Mo-Fr 05:30-20:00
Parking MASCO Building 0.22 mi ~5 min
375 Longwood Avenue
Coffee Starbucks 0.26 mi ~6 min
283 Longwood Avenue, Boston 02115
Mo-Fr 05:30-20:00; Sa-Su 06:00-19:00
Parking Main Garage 0.26 mi ~6 min
340 Brookline Avenue
Parking Longwood Parking Lot 0.32 mi ~7 min
30 Chapel Street, Brookline 02446
Convenience 7-Eleven 0.34 mi ~7 min
Pharmacy Walgreens 0.35 mi ~7 min
Grocery Stop & Shop 0.38 mi ~8 min
1620 Tremont Street, Boston 02120
Mo-Su 07:00-22:00
Gas station Citgo 0.39 mi ~8 min
914 Huntington Avenue, Jamaica Plain 02130
Convenience Food Mart 0.40 mi ~8 min
Gas station Shell 0.40 mi ~8 min
1600 Tremont Street
Hotel Hilton Garden Inn Boston Brookline 0.41 mi ~9 min
EV charging ChargePoint 0.42 mi ~9 min
EV charging 0.50 mi ~11 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 |
|---|---|---|
| 287050 | MA | Surgery Physician |
| DR.0071269 | CO | Trauma Surgery Physician primary |
Licences are recorded in 2 states: MA, CO. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.
- Status
- Approved
- Provider type
- Practitioner - General Surgery
- PAC ID
- 0446478838
Enrolled in Medicare 2 times, across 2 states:
| State | Enrollment ID | Provider type |
|---|---|---|
| Massachusetts | I20210720002250 | Practitioner - General Surgery |
| Colorado | I20230801002048 | Practitioner - General Surgery |
Medicare enrolment is recorded as approved under the provider type Practitioner - General Surgery. There are 2 separate enrolment records across 2 states (MA, CO). Multiple enrolments usually mean the provider bills Medicare from more than one practice location, or has kept an earlier enrolment after moving. Each record carries its own enrolment ID, listed above. 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: Colorado and Massachusetts. The practice address on file is in Boston, MA, 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
- 287050
- Specialty
- Surgery Physician
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 Trauma Surgery covers
Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency. NUCC Health Care Provider Taxonomy, code 2086S0127X
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 | |
|---|---|---|---|---|
| 208600000X | Surgery Physician | 287050 | MA | |
| 2086S0127X | Trauma Surgery Physician Trauma Surgery | DR.0071269 | CO | primary |
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 | 1003233560 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Mar 23, 2014 |
| Last updated | Jul 18, 2023 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Credential | M.D. |
| Practice address |
110 FRANCIS ST STE 9B Boston, MA 02215 (617) 632-9513 |
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 | 2 | 3 | 3 | 5 | 6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 4 | 3 | 6 | 5 | 3 |
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.