Active NPI
Charles Alan Block, M.D.
- Pediatrics Physician
- Horsham, PA
National Provider Identifier
1073501581
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- MD043186E
- Practice address
- 405 Caredean Dr
Suite J
Horsham, PA 19044-1301 - Phone
- (215) 441-9710
- Fax
- (215) 441-9288
- NPI assigned
- Oct 10, 2005
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | MD043186E | PA | Primary |
Addresses
Primary practice location
405 Caredean Dr
Suite J
Horsham, PA 19044-1301
Mailing address
405 Caredean Dr
Suite J
Horsham, PA 19044-1301
Phone (215) 441-9710
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)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD043186E | PA | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| True North Medical Group, LLC | Pediatrics | Past | Accepting new patients |
Organizations & group practices 1
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1128902400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1073501581",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "405 CAREDEAN DR",
"address_2": "SUITE J",
"city": "HORSHAM",
"state": "PA",
"postal_code": "190441301",
"telephone_number": "215-441-9710",
"fax_number": "215-441-9288"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "405 CAREDEAN DR",
"address_2": "SUITE J",
"city": "HORSHAM",
"state": "PA",
"postal_code": "190441301",
"telephone_number": "215-441-9710",
"fax_number": "215-441-9288"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BLOCK",
"first_name": "CHARLES",
"middle_name": "ALAN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-10",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "PA",
"license": "MD043186E",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Horsham, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.