Active NPI
Charles Castellano, MD
- Internal Medicine Physician
- Florham Park, NJ
National Provider Identifier
1396845632
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 25MA10528500
- Practice address
- 140 Park Ave
Florham Park, NJ 07932-1049 - Phone
- (973) 404-7880
- Fax
- (973) 285-7629
- NPI assigned
- Sep 25, 2006
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 232228 | NY | |
| Internal Medicine Physician | 207R00000X | 25MA10528500 | NJ | Primary |
| Pediatrics Physician | 208000000X | 232228 | NY | |
| Pediatrics Physician | 208000000X | 25MA10528500 | NJ |
Addresses
Primary practice location
140 Park Ave
Florham Park, NJ 07932-1049
Mailing address
140 Park Ave
Florham Park, NJ 07932-1049
Phone (973) 404-7880
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NJ
- 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
- Internal Medicine
- Education
- Other, 2000
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1 Diamond Hill Rd
Berkeley Heights, NJ 07922-2104
Phone (908) 273-4300
Hospital & facility affiliations
- Atlantic Visiting Nurse
- JFK University Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 25MA10528500 | NJ | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Summit Medical Group PA | Current | Accepting new patients | |
| Summit Medical Group PA | Current | Accepting new patients | |
| University Physicians Group P C | Internal Medicine | Past | Accepting new patients |
| Summit Medical Group, Inc | Internal Medicine | Past | Accepting new patients |
| North Shore-Lij Medical PC | Internal Medicine | Past | Accepting new patients |
Locations
1 Diamond Hill Rd
Berkeley Heights, NJ 07922
Phone (908) 277-8868
67 Walnut Ave
Ste 202
Clark, NJ 07066
Phone (732) 388-7300
140 Park Ave
Florham Park, NJ 07932
Phone (973) 285-7613
150 Floral Ave
New Providence, NJ 07974
Phone (908) 588-3890
Interoperability endpoints
- charles.castellano.1@2983.direct.athenahealth.com
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.
-
- Multi-Specialty Clinic/Center
- Berkeley Heights, NJ
- NPI 1942254347
-
- Durable Medical Equipment & Medical Supplies
- Hackensack, NJ
- NPI 1043930555
-
- General Practice Physician
- Staten Island, NY
- NPI 1104872134
Internal Medicine
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Morristown, NJ
- NPI 1962479667
-
- General Acute Care Hospital
- Edison, NJ
- NPI 1144894577
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1159142400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770940800000",
"number": "1396845632",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "140 PARK AVE",
"city": "FLORHAM PARK",
"state": "NJ",
"postal_code": "079321049",
"telephone_number": "973-404-7880",
"fax_number": "973-285-7629"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "140 PARK AVE",
"city": "FLORHAM PARK",
"state": "NJ",
"postal_code": "079321049",
"telephone_number": "973-404-7880",
"fax_number": "973-285-7629"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CASTELLANO",
"first_name": "CHARLES",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-09-25",
"last_updated": "2026-02-13",
"certification_date": "2026-02-13",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "232228",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NJ",
"license": "25MA10528500",
"primary": true
},
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "NY",
"license": "232228",
"primary": false
},
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "NJ",
"license": "25MA10528500",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Florham Park, NJ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 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.