Active NPI
Ellen Block Milstone, M.D.
- Procedural Dermatology Physician
- Hamden, CT
National Provider Identifier
1578560132
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Procedural Dermatology Physician
- License
- 017267
- Practice address
- 2416 Whitney Ave
Hamden, CT 06518-3248 - Phone
- (203) 288-1142
- Fax
- (203) 288-5086
- NPI assigned
- Jun 28, 2005
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dermatology Physician | 207N00000X | 017267 | CT | |
| Dermatopathology Physician | 207ND0900X | 017267 | CT | |
| Pediatric Dermatology Physician | 207NP0225X | 017267 | CT | |
| Procedural Dermatology Physician | 207NS0135X | 017267 | CT | Primary |
Addresses
Primary practice location
2416 Whitney Ave
Hamden, CT 06518-3248
Mailing address
2416 Whitney Ave
Hamden, CT 06518-3248
Phone (203) 288-1142
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 010017267CT03 | Other | CT | ANTHEM BLUE CROSS |
| 750372 | Other | CT | CONNECTICARE |
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)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 017267 | CT | MD | Dermatopathology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1119916800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1578560132",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2416 WHITNEY AVE",
"city": "HAMDEN",
"state": "CT",
"postal_code": "065183248",
"telephone_number": "203-288-1142",
"fax_number": "203-288-5086"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2416 WHITNEY AVE",
"city": "HAMDEN",
"state": "CT",
"postal_code": "065183248",
"telephone_number": "203-288-1142",
"fax_number": "203-288-5086"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MILSTONE",
"first_name": "ELLEN",
"middle_name": "BLOCK",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2005-06-28",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207N00000X",
"taxonomy_group": "",
"desc": "Dermatology",
"state": "CT",
"license": "017267",
"primary": false
},
{
"code": "207ND0900X",
"taxonomy_group": "",
"desc": "Dermatology, Dermatopathology",
"state": "CT",
"license": "017267",
"primary": false
},
{
"code": "207NP0225X",
"taxonomy_group": "",
"desc": "Dermatology, Pediatric Dermatology",
"state": "CT",
"license": "017267",
"primary": false
},
{
"code": "207NS0135X",
"taxonomy_group": "",
"desc": "Dermatology, Procedural Dermatology",
"state": "CT",
"license": "017267",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ANTHEM BLUE CROSS",
"identifier": "010017267CT03",
"state": "CT"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CONNECTICARE",
"identifier": "750372",
"state": "CT"
}
],
"endpoints": [],
"other_names": []
}Other providers in Hamden, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.