Brian Pietrantonio, O.D.
Brian Pietrantonio, O.D. is a provider specialising in Optometrist in Lowell, MA, registered under NPI 1003104126.
Getting there
Here is what surrounds this office in Lowell, based on OpenStreetMap data collected Sep 5, 2026. Parking is available about 763 ft away at Market Street Parking Garage. The nearest transit stop is 1,011 ft away, served by Market St Garage. If you arrive early, there is a coffee shop 0.29 mi away.
Getting here and what is nearby
Parking Edward Early Jr. Garage 203 ft ~1 min
135 Middlesex Street, Lowell
Restaurant Hot Spot 216 ft ~1 min
Restaurant Lou's Deli 277 ft ~2 min
Coffee Lowell Book Company 532 ft ~3 min
Transit Salvation Army 581 ft ~3 min
Parking Hamilton Canal Innovation District (HCID) Municipal Parking Facility 597 ft ~3 min
350.4 Dutton Street, Lowell
Parking Market Street Parking Garage 763 ft ~3 min
86;100 Market Street
Transit Jackson St and Central St 812 ft ~4 min
Grocery Abo Al-Ezz Market 915 ft ~4 min
Restaurant Sahel Restaurant & Lounge 930 ft ~4 min
Transit Market St Garage 1,011 ft ~4 min
Convenience Market Street Market 1,005 ft ~4 min
Coffee Brew'd Awakening Coffeehouse 0.20 mi ~4 min
Convenience Haffner's 0.24 mi ~5 min
215 Dutton Street, Lowell
Gas station Haffner's 0.24 mi ~5 min
215 Dutton Street, Lowell
Hotel UMass Lowell Inn and Conference Center 0.25 mi ~6 min
50 Warren Street
Gas station Shell 0.28 mi ~6 min
300 Merrimack Street, Lowell 01852
Coffee Purple Carrot Bread Co. 0.29 mi ~6 min
107 Merrimack Street, Lowell 01852
Mo-Fr 08:00-17:00
Grocery Food Basket 0.31 mi ~7 min
Gas station Xtra Fuels 0.38 mi ~8 min
Convenience XtraMart 0.39 mi ~8 min
378 Gorham Street
Grocery Market Basket 0.44 mi ~9 min
331 Fletcher Street, Lowell 01854
Mo-Sa 07:00-21:00;Su 07:00-19:00
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 |
|---|---|---|
| 5333 | MA | Optometrist primary |
This provider holds licence 5333 issued in MA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Practitioner - Optometry
- PAC ID
- 1951551191
- Enrollment ID
- I20190916002736
Medicare enrolment is recorded as approved under the provider type Practitioner - Optometry. 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.
What Optometrist covers
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system. NUCC Health Care Provider Taxonomy, code 152W00000X
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 | 1003104126 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jul 11, 2011 |
| Last updated | Jun 10, 2025 |
| Status | Active |
| Sole proprietor | No |
| Gender | Male |
| Credential | O.D. |
| Practice address |
161 JACKSON ST Lowell, MA 01852 (978) 937-9700 Fax (978) 221-6728 |
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 | 0 | 4 | 1 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 2 | 0 | 8 | 1 | 4 |
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.