Active NPI
Mark J. Felder Allen, MD
- General Practice Physician
- Coconut Creek, FL
National Provider Identifier
1609712470
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- License
- A70291
- Practice address
- 1503 Cayman Way Apt G2
Coconut Creek, FL 33066-1436 - Phone
- (650) 906-9466
- NPI assigned
- Apr 24, 2026
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Physician | 208D00000X | A70291 | CA | Primary |
Addresses
Primary practice location
1503 Cayman Way Apt G2
Coconut Creek, FL 33066-1436
Mailing address
1503 Cayman Way Apt G2
Coconut Creek, FL 33066-1436
Phone (650) 906-9466
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 |
|---|---|---|---|
| A70291 | CA | MD | General Practice Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1776988800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776988800000",
"number": "1609712470",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1503 CAYMAN WAY APT G2",
"city": "COCONUT CREEK",
"state": "FL",
"postal_code": "330661436",
"telephone_number": "650-906-9466"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1503 CAYMAN WAY APT G2",
"city": "COCONUT CREEK",
"state": "FL",
"postal_code": "330661436",
"telephone_number": "650-906-9466"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ALLEN",
"first_name": "MARK",
"middle_name": "J. FELDER",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2026-04-24",
"last_updated": "2026-04-24",
"certification_date": "2026-04-24",
"status": "A"
},
"taxonomies": [
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": "CA",
"license": "A70291",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Coconut Creek, FL
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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.