Active NPI
Grzegorz Niewinski, RPH
- Pharmacist
- Chicopee, MA
National Provider Identifier
1477469252
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pharmacist
- License
- PH1004036
- Practice address
- 1616 Memorial Dr
Chicopee, MA 01020-3933 - Phone
- (413) 532-3299
- NPI assigned
- Aug 20, 2026
- Last updated
- Aug 20, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pharmacist | 183500000X | PH1004036 | MA | Primary |
Addresses
Primary practice location
1616 Memorial Dr
Chicopee, MA 01020-3933
Mailing address
101 Austin St
Chicopee, MA 01013-2903
Phone (413) 887-8373
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1787184000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787184000000",
"number": "1477469252",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "101 AUSTIN ST",
"city": "CHICOPEE",
"state": "MA",
"postal_code": "010132903",
"telephone_number": "413-887-8373"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1616 MEMORIAL DR",
"city": "CHICOPEE",
"state": "MA",
"postal_code": "010203933",
"telephone_number": "413-532-3299"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NIEWINSKI",
"first_name": "GRZEGORZ",
"credential": "RPH",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-08-20",
"last_updated": "2026-08-20",
"certification_date": "2026-08-20",
"status": "A"
},
"taxonomies": [
{
"code": "183500000X",
"taxonomy_group": "",
"desc": "Pharmacist",
"state": "MA",
"license": "PH1004036",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Chicopee, MA
- Anju Nellissery, DMD, MD
- Stephen William Nelson, MSW
- Eleanora Nemchinskaya, PA-C
- New England Psychological, LLC (Phoenix Holistic Services)
- Francis K Ngigi, PHARM.D.
- Judith S. Nissenbaum, PH.D
- Priscilla O'Connell, LMHC
- Robert Michael Obrien, RPH
- Karolina Ogrodnik, D.O
- Oyinkansola Oyenike Ogundipe, M.D.
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.