Active NPI
Paul Protomastro, M.D.
- Orthopaedic Hand Surgery Physician
- Wilton, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Orthopaedic Hand Surgery Physician
- License
- 039385
- Practice address
- 45 Danbury Rd Ste 100
Wilton, CT 06897-4405 - Phone
- (203) 845-2200
- NPI assigned
- Jul 15, 2005
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Orthopaedic Hand Surgery Physician | 207XS0106X | 039385 | CT | Primary |
| Sports Medicine (Orthopaedic Surgery) Physician | 207XX0005X | 039385 | CT | |
| Orthopaedic Surgery Physician | 207X00000X | 039385 | CT |
Addresses
Primary practice location
45 Danbury Rd Ste 100
Wilton, CT 06897-4405
Mailing address
18444 N 25TH Ave Ste 310
Phoenix, AZ 85023-1266
Phone (623) 241-8682
Other practice location 1
761 Main Ave
Suite 115
Norwalk, CT 06851
Phone (203) 845-2200
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Hand Surgery
- Education
- Jefferson Medical College of Thomas Jefferson University, 1995
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Rehabilitation Associates Inc
Practice addresses (Care Compare)
1931 Black Rock Tpke
Fairfield, CT 06825-3506
Phone (203) 384-8681
323 Riverside Ave
Suite 1
Westport, CT 06880-4825
Phone (203) 845-2200
555 Bridgeport Ave
Shelton, CT 06484-4749
Phone (203) 922-1773
Hospital & facility affiliations
- Amedisys Home Health
- Atrinity Home Health
- Norwalk Hospital
- Stamford Hospital
- St Vincent'S Medical Center
- Danbury Hospital
- Ridge Crest at Meadow Ridge
Merit-based Incentive Payment System (MIPS)
- Final score
- 88.41 of 100
- Quality
- 81.66
- Promoting interoperability
- 95
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Upper limb (arm) arthroscopy (minimally invasive joint repair) | 26 |
| Melanoma (skin cancer) excision | 1-10 |
| Removal of tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 039385 | CT | MD | Orthopaedic Hand Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Southwest Connecticut Surgery Center, LLC | Current | Accepting new patients | |
| Orthoconnecticut, PLLC | Orthopaedic Surgery | Current | Accepting new patients |
| Orthoconnecticut, PLLC | Orthopaedic Surgery | Current | Accepting new patients |
| Orthoconnecticut, PLLC | Orthopaedic Surgery | Past | Accepting new patients |
Locations
2 Riverview Dr
Danbury, CT 06810
Phone (203) 798-9702
36 Old Kings Hwy S
Darien, CT 06820
Phone (203) 655-8749
131 Kent Rd
New Milford, CT 06776
Phone (860) 350-3330
761 Main Ave
Ste 115
Norwalk, CT 06851
Phone (203) 545-2200
323 Riverside Ave
Ste 1
Westport, CT 06880
323 Riverside Ave
Westport, CT 06880
Phone (203) 226-1027
45 Danbury Rd
Ste 100
Wilton, CT 06897
45 Danbury Rd
Wilton, CT 06897
Phone (203) 845-2987
Interoperability endpoints
- paul.protomastro.p1@direct.cpfc.nextgenshare.com
- paul.protomastro@xdr.hhchealthdirect.org
Organizations & group practices 5
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Physical Medicine & Rehabilitation Physician
- Norwalk, CT
- NPI 1356906515
Orthopaedic Surgery
-
- Magnetic Resonance Imaging (MRI) Internal Medicine Physician
- Wilton, CT
- NPI 1225909971
-
- Orthopaedic Surgery Physician
- Danbury, CT
- NPI 1770507345
-
- Ambulatory Surgical Clinic/Center
- Wilton, CT
- NPI 1467057372
-
- Durable Medical Equipment & Medical Supplies
- Danbury, CT
- NPI 1174061519
Orthopaedic Surgery
Hospital & facility affiliations 11
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Cheshire, CT
- NPI 1629387691
-
- General Acute Care Hospital
- Danbury, CT
- NPI 1548293343
-
- General Acute Care Hospital
- Norwalk, CT
- NPI 1346441953
-
- General Acute Care Hospital
- Norwalk, CT
- NPI 1427041581
-
- General Acute Care Hospital
- Norwalk, CT
- NPI 1649263880
-
- General Acute Care Hospital
- Stamford, CT
- NPI 1356331425
-
- General Acute Care Hospital
- Bridgeport, CT
- NPI 1942224696
-
- Home Health Agency
- Stamford, CT
- NPI 1043264112
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1121385600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774569600000",
"number": "1215936992",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "18444 N 25TH AVE STE 310",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850231266",
"telephone_number": "623-241-8682",
"fax_number": "623-241-8682"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "45 DANBURY RD STE 100",
"city": "WILTON",
"state": "CT",
"postal_code": "068974405",
"telephone_number": "203-845-2200"
}
],
"practiceLocations": [
{
"address_1": "761 Main Ave",
"address_2": "Suite 115",
"address_purpose": "LOCATION",
"city": "Norwalk",
"state": "CT",
"postal_code": "06851",
"country_code": "US",
"telephone_number": "203-845-2200",
"fax_number": "203-847-1940",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "PROTOMASTRO",
"first_name": "PAUL",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-07-15",
"last_updated": "2026-03-27",
"certification_date": "2026-03-27",
"status": "A"
},
"taxonomies": [
{
"code": "207XS0106X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery, Hand Surgery",
"state": "CT",
"license": "039385",
"primary": true
},
{
"code": "207XX0005X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery, Sports Medicine",
"state": "CT",
"license": "039385",
"primary": false
},
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "CT",
"license": "039385",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Wilton, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.