Active NPI
Kenneth Alan Berkowitz, M.D.
- Critical Care Medicine (Internal Medicine) Physician
- New York, NY
National Provider Identifier
1649377086
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Medicine (Internal Medicine) Physician
- License
- 161931
- Practice address
- 423 E 23Rd St # 10E
Ethics - Room 2585 Ca
New York, NY 10010-5011 - Phone
- (212) 686-7500
- Fax
- (212) 951-3353
- NPI assigned
- Sep 20, 2006
- Last updated
- Sep 11, 2025
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 161931 | NY | |
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | 161931 | NY | Primary |
Addresses
Primary practice location
423 E 23Rd St # 10E
Ethics - Room 2585 Ca
New York, NY 10010-5011
Mailing address
115 Betsy Brown Rd
Port Chester, NY 10573-2229
Phone (212) 686-7500
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1158710400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1649377086",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "115 BETSY BROWN RD",
"city": "PORT CHESTER",
"state": "NY",
"postal_code": "105732229",
"telephone_number": "212-686-7500",
"fax_number": "212-951-3353"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "423 E 23RD ST # 10E",
"address_2": "ETHICS - ROOM 2585 CA",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100105011",
"telephone_number": "212-686-7500",
"fax_number": "212-951-3353"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BERKOWITZ",
"first_name": "KENNETH",
"middle_name": "ALAN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-09-20",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "161931",
"primary": false
},
{
"code": "207RC0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "NY",
"license": "161931",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in New York, NY
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.