Active NPI
Daniel Benjamin Lax, MD
- Obstetrics & Gynecology Physician
- Westport, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- 64021
- Practice address
- 728 Post Rd E Ste 201
Westport, CT 06880-5200 - Phone
- (203) 203-8284
- Fax
- (203) 732-8136
- NPI assigned
- Mar 31, 2014
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | 64021 | CT | Primary |
| Obstetrics & Gynecology Physician | 207V00000X | 293023-1 | NY |
Addresses
Primary practice location
728 Post Rd E Ste 201
Westport, CT 06880-5200
Mailing address
728 Post Rd E Ste 201
Westport, CT 06880-5200
Phone (203) 203-8284
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY, CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care CompareMerit-based Incentive Payment System (MIPS)
- Final score
- 0 of 100
- Quality
- 0
- Promoting interoperability
- 0
- Improvement activities
- 0
- Cost
- 0
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 64021 | CT | MD | Obstetrics & Gynecology Physician |
| 293023-1 | NY | MD | Obstetrics & Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Griffin Faculty Physicians, Inc. | Current | Accepting new patients | |
| Bronxcare Health System | Current | Accepting new patients | |
| Obhg Connecticut PC | Obstetrics & Gynecology | Current | Accepting new patients |
| Bronxcare Health System | Current | Accepting new patients | |
| Bronxcare Health System | Current | Accepting new patients | |
| Women's Health Center, PC | Current | Accepting new patients |
Locations
130 Division St
Derby, CT 06418
Phone (203) 732-1330
67 Maple Ave
Derby, CT 06418
Phone (203) 732-0699
300 Seymour Ave
Ste 102
Derby, CT 06418
Phone (203) 516-5303
34 Maple St
Norwalk, CT 06850
Phone (203) 852-2000
220 Main St
Ste 1A
Oxford, CT 06478
Phone (203) 888-5527
2 Ivy Brook Rd
Ste 125
Shelton, CT 06484
Phone (203) 954-0080
4 Corporate Dr
Ste 484
Shelton, CT 06484
Phone (203) 944-9898
1650 Grand Concourse
Bronx, NY 10457
Phone (718) 294-7104
Organizations & group practices 7
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.
-
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Derby, CT
- NPI 1598755605
-
- Internal Medicine Physician
- Bronx, NY
- NPI 1245390855
-
- Internal Medicine Physician
- Danbury, CT
- NPI 1407898117
-
- Gynecology Physician
- Shelton, CT
- NPI 1598899148
-
- Obstetrics Physician
- Bronx, NY
- NPI 1538230073
-
- Methadone Clinic
- Bronx, NY
- NPI 1801428222
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1396224000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776988800000",
"number": "1205254075",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "728 POST RD E STE 201",
"city": "WESTPORT",
"state": "CT",
"postal_code": "068805200",
"telephone_number": "203-203-8284",
"fax_number": "475-275-7675"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "728 POST RD E STE 201",
"city": "WESTPORT",
"state": "CT",
"postal_code": "068805200",
"telephone_number": "203-203-8284",
"fax_number": "203-732-8136"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LAX",
"first_name": "DANIEL",
"middle_name": "BENJAMIN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2014-03-31",
"last_updated": "2026-04-24",
"certification_date": "2026-04-24",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "CT",
"license": "64021",
"primary": true
},
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "NY",
"license": "293023-1",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Westport, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 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.