NPIMap

Individual provider Active NPI

Derek Fikse, DO

  • Medical Toxicology (Emergency Medicine) Physician
  • Allentown, PA
National Provider Identifier
1528417599
Registry record updated Dec 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Toxicology (Emergency Medicine) PhysicianTaxonomy code 207PT0002X
License
OS020901 Issued in PA
Practice address
1200 S Cedar Crest Blvd
Allentown, PA 18103-6202
Phone
(610) 402-8000
NPI assigned
Jun 9, 2016
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 9, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X OS020901 PA
Emergency Medicine Physician 207P00000X OT017243 PA
Medical Toxicology (Emergency Medicine) Physician 207PT0002X OS020901 PA Primary

Addresses

Primary practice location

1200 S Cedar Crest Blvd
Allentown, PA 18103-6202

Mailing address

PO Box 783311
Philadelphia, PA 19178-3311

Other practice location 1

2545 Schoenersville Rd
Bethlehem, PA 18017-7300
Phone (484) 884-2489

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210201000262 PA Practitioner - Emergency MedicinePractitioner - Medical Toxicology 5092006106 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency MedicineAlso: Medical Toxicology
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Lehigh Valley Physician GroupGroup PAC ID 3072425123, 2,512 clinicians

Practice addresses (Care Compare)

1200 S Cedar Crest Blvd
LVPG Emergency Medicine
Allentown, PA 18103-6202
Phone (610) 402-8111

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy, Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
OS020901PAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Jefferson University Physicians Emergency Medicine CurrentSince Feb 1, 2026 Accepting new patients
Lehigh Valley Physician Group Emergency Medicine Current Accepting new patients
Lehigh Valley Physician Group CurrentSince Aug 8, 2022 Accepting new patients
Lehigh Valley Physician Group CurrentSince Aug 8, 2022 Accepting new patients

Locations

1200 S Cedar Crest Blvd
Allentown, PA 18103
Phone (484) 862-3200

2545 Schoenersville Rd
Bethlehem, PA 18017
Phone (484) 884-2888

5649 Wynnewood Dr
Ste 104
Laurys Station, PA 18059
Phone (610) 262-6641

700 E Norwegian St
Pottsville, PA 17901
Phone (570) 621-4000

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.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1465430400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765238400000",
    "number": "1528417599",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 783311",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191783311"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 S CEDAR CREST BLVD",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181036202",
            "telephone_number": "610-402-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2545 Schoenersville Rd",
            "address_purpose": "LOCATION",
            "city": "Bethlehem",
            "state": "PA",
            "postal_code": "180177300",
            "country_code": "US",
            "telephone_number": "484-884-2489",
            "fax_number": "484-884-2885",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FIKSE",
        "first_name": "DEREK",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-06-09",
        "last_updated": "2025-12-09",
        "certification_date": "2025-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "OS020901",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "OT017243",
            "primary": false
        },
        {
            "code": "207PT0002X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Medical Toxicology",
            "state": "PA",
            "license": "OS020901",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Allentown, PA

Sources for this page

Verify at the official NPI Registry.