Individual provider Active NPI

Marlee Guiness, FNP

  • Family Nurse Practitioner
  • Allentown, PA
National Provider Identifier
1275429193
Registry record updated Sep 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
SP031766 Issued in PA
Practice address
1240 S Cedar Crest Blvd Ste 401
Allentown, PA 18103-6218
Phone
(610) 402-7880
NPI assigned
Jun 16, 2025
Last updated
Sep 8, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 8, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X SP031766 PA Primary

Addresses

Primary practice location

1240 S Cedar Crest Blvd Ste 401
Allentown, PA 18103-6218

Mailing address

2100 Mack Blvd
Allentown, PA 18103-5622
Phone (484) 884-4500

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250924003207 PA Practitioner - Nurse Practitioner 1850896507 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
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)

1240 S Cedar Crest Blvd
401 LVPG Hematology Oncology
Allentown, PA 18103-6218
Phone (610) 402-7880

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Lehigh Valley Physician Group CurrentSince Sep 15, 2025 Accepting new patients
Lehigh Valley Physician Group Current Accepting new patients
Lehigh Valley Physician Group CurrentSince Sep 15, 2025 Accepting new patients
Pulmonary Associates PC Past Accepting new patients

Locations

1240 S Cedar Crest Blvd
Ste 401
Allentown, PA 18103
Phone (610) 402-3650

2100 Mack Blvd
Fl 4
Allentown, PA 18103

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

Interoperability endpoints

  • Direct secure messaging: mguiness377087@direct2.lvhn.org

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 5

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": "1750032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757289600000",
    "number": "1275429193",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2100 MACK BLVD",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181035622",
            "telephone_number": "484-884-4500",
            "fax_number": "484-884-0699"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1240 S CEDAR CREST BLVD STE 401",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181036218",
            "telephone_number": "610-402-7880"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUINESS",
        "first_name": "MARLEE",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-06-16",
        "last_updated": "2025-09-08",
        "certification_date": "2025-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "PA",
            "license": "SP031766",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Allentown, PA

Sources for this page

Verify at the official NPI Registry.