Active NPI
Zachary Allen, FNP-C
- Nurse Practitioner
- Springdale, AR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- 213511
- Practice address
- 601 W Maple Ave
Springdale, AR 72764-5335 - Phone
- (479) 750-2203
- NPI assigned
- Jun 4, 2025
- Last updated
- Nov 5, 2025
- 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 |
|---|---|---|---|---|
| Nurse Practitioner | 363L00000X | 213511 | AR | Primary |
Addresses
Primary practice location
601 W Maple Ave
Springdale, AR 72764-5335
Mailing address
601 W Maple Ave
Springdale, AR 72764-5335
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AR
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2025
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3721 Hwy 412 E
Suite a
Siloam Springs, AR 72761-8010
Phone (479) 215-3070
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 213511 | AR | MD | Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northwest Physicians LLC | Current | Accepting new patients | |
| Northwest Physicians LLC | Current | Accepting new patients |
Locations
3721 Highway 412 E
Ste A
Siloam Springs, AR 72761
Phone (479) 215-3035
601 W Maple Ave
Springdale, AR 72764
Phone (479) 751-5711
601 W Maple Ave
Ste 403
Springdale, AR 72764
Phone (479) 750-2742
Interoperability endpoints
- zachary.allen.1@2229.direct.athenahealth.com
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Obstetrics Physician
- Springdale, AR
- NPI 1194768721
-
- Durable Medical Equipment & Medical Supplies
- Springdale, AR
- NPI 1205137536
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Northwest Medical Center
- General Acute Care Hospital
- Springdale, AR
- NPI 1699726695
-
dba Siloam Springs Regional Hospital
- General Acute Care Hospital
- Siloam Springs, AR
- NPI 1902051816
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1748995200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762300800000",
"number": "1265326367",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "601 W MAPLE AVE",
"city": "SPRINGDALE",
"state": "AR",
"postal_code": "727645335"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "601 W MAPLE AVE",
"city": "SPRINGDALE",
"state": "AR",
"postal_code": "727645335",
"telephone_number": "479-750-2203"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ALLEN",
"first_name": "ZACHARY",
"credential": "FNP-C",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-06-04",
"last_updated": "2025-11-05",
"certification_date": "2025-11-05",
"status": "A"
},
"taxonomies": [
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "AR",
"license": "213511",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Springdale, AR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 5, 2025; 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.