Active NPI
Adam Lalley, MD
- Emergency Medicine Physician
- Norwalk, CT
National Provider Identifier
1104453240
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 73540
- Practice address
- 34 Maple St
Norwalk, CT 06850-3894 - Phone
- (203) 852-2000
- NPI assigned
- Mar 26, 2020
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 340868 | NY | |
| Emergency Medicine Physician | 207P00000X | 73540 | CT | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
34 Maple St
Norwalk, CT 06850-3894
Mailing address
34 Maple St
Norwalk, CT 06850-3894
Other practice location 1
4802 10th Ave
Brooklyn, NY 11219-2916
Phone (718) 283-6000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT, NY
- 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 Compare- Specialty
- Emergency Medicine
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
24 Stevens St
Norwalk, CT 06850-3852
Phone (203) 852-2810
45 Reade PL
Poughkeepsie, NY 12601-3947
Phone (845) 454-8500
Hospital & facility affiliations
- Norwalk Hospital
- Vassar Brothers Medical Center
- Danbury Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Nuvance Health Medical Practice CT, Inc. | Multi-Specialty | Current | Accepting new patients |
| Norwalk Hospital Association | Multi-Specialty | Current | Accepting new patients |
| Norwalk Hospital Association | Multi-Specialty | Current | Accepting new patients |
| Emergency Physician Services of New York, P.C. | Multi-Specialty | Current | Accepting new patients |
| Danbury Hospital | Multi-Specialty | Current | Accepting new patients |
| Danbury Hospital | Multi-Specialty | Current | Accepting new patients |
Locations
24 Hospital Ave
Danbury, CT 06810
Phone (203) 739-7118
20 Germantown Rd
Danbury, CT 06810
Phone (203) 739-4820
520 West Ave
Norwalk, CT 06850
Phone (203) 852-2417
34 Maple St
Norwalk, CT 06850
Phone (203) 852-2000
45 Reade Pl
Poughkeepsie, NY 12601
Phone (845) 331-3131
Organizations & group practices 6
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.
-
- Emergency Medicine Physician
- Poughkeepsie, NY
- NPI 1093759847
Multi-Specialty
-
- Internal Medicine Physician
- Danbury, CT
- NPI 1407898117
Multi-Specialty
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- 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
- Poughkeepsie, NY
- NPI 1740233899
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1585180800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771891200000",
"number": "1104453240",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "34 MAPLE ST",
"city": "NORWALK",
"state": "CT",
"postal_code": "068503894"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "34 MAPLE ST",
"city": "NORWALK",
"state": "CT",
"postal_code": "068503894",
"telephone_number": "203-852-2000"
}
],
"practiceLocations": [
{
"address_1": "4802 10th Ave",
"address_purpose": "LOCATION",
"city": "Brooklyn",
"state": "NY",
"postal_code": "112192916",
"country_code": "US",
"telephone_number": "718-283-6000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LALLEY",
"first_name": "ADAM",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2020-03-26",
"last_updated": "2026-02-24",
"certification_date": "2026-02-24",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "NY",
"license": "340868",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "CT",
"license": "73540",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Norwalk, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 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.