Individual provider Active NPI

Lukasz K Janeczek, MD

  • Hospitalist Physician
  • Longwood, FL
National Provider Identifier
1023217502
Registry record updated Nov 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
ME105378 Issued in FL
Practice address
346 Peninsula Island PT
Longwood, FL 32750-6323
Phone
(407) 923-2133
Fax
(407) 960-3266
NPI assigned
Jul 13, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 7, 2025

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

Specialties & licenses 9

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X MD.70036493 WA
Family Medicine Physician 207Q00000X ME105378 FL
Family Medicine Physician 207Q00000X 4301515679 MI
Hospitalist Physician 208M00000X C157968 CA
Hospitalist Physician 208M00000X ME105378 FL Primary
Family Medicine Physician 207Q00000X C157968 CA
Family Medicine Physician 207Q00000X W2081 TX
Family Medicine Physician 207Q00000X DR.0076489 CO
Family Medicine Physician 207Q00000X 01098284A IN

Addresses

Primary practice location

346 Peninsula Island PT
Longwood, FL 32750-6323

Mailing address

346 Peninsula Island PT
Longwood, FL 32750-6323
Phone (407) 921-2133

Other identifiers 1

IdentifierTypeStateIssuer
1748200MedicaidFL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL, CA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20100212000243 FL Practitioner - Family PracticePractitioner - Emergency MedicinePractitioner - Hospitalist 9830233931 Reassigns benefits to 9 organizations
I20240703002803 CA Practitioner - Family PracticePractitioner - Hospitalist 9830233931 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family PracticeAlso: Hospitalist
Education
Other, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Horizon Multicare Group IncGroup PAC ID 5294033734, 26 clinicians
Hospitalist Group of Montebello IncGroup PAC ID 2264715143, 55 clinicians

Practice addresses (Care Compare)

1642 W Ave J
Lancaster, CA 93534-2814
Phone (661) 942-8463

1701 Santa Anita Ave
S El Monte, CA 91733-3411
Phone (626) 579-7777

Hospital & facility affiliations

  • California Hospital Medical Center la Hospital, Los Angeles, CA, CCN 050149
  • Antelope Valley Hospital Hospital, Lancaster, CA, CCN 050056

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
DR.0076489COMDFamily Medicine Physician
01098284AINMDFamily Medicine Physician
4301515679MIMDFamily Medicine Physician
W2081TXMDFamily Medicine Physician
MD.70036493WAMDFamily Medicine Physician
C157968CAMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Im-FSR Inc. Hospitalist CurrentSince Jun 1, 2025 Accepting new patients
Halifax Healthcare Systems Inc Family Medicine CurrentSince May 23, 2020 Accepting new patients
Hospital Physician Services - Southeast Professional Corporation Hospitalist CurrentSince Sep 12, 2022 Accepting new patients
Mid-Florida Emergency Physicians, LLC CurrentSince Mar 1, 2012 Accepting new patients
Florida Med-Psych Consultants LLC Hospitalist CurrentSince Aug 20, 2023 Accepting new patients
Mid Florida Hospital Specialists PA Family Medicine CurrentSince Oct 26, 2022 Accepting new patients
Central Florida Inpatient Medicine LLC CurrentSince Mar 12, 2014 Accepting new patients
Orlando Inpatient Medicine, PA Hospitalist CurrentSince Aug 20, 2023 Accepting new patients
Hospitalist Group of Montebello Inc Hospitalist CurrentSince May 6, 2024 Accepting new patients
Horizon Multicare Group Inc CurrentSince Dec 1, 2024 Accepting new patients
Astha Health Hospitalist CurrentSince Jul 15, 2023 Accepting new patients
North Florida Emergency Physicians Past Accepting new patients
Openloop Healthcare Partners PC PastSince Jun 27, 2021 Accepting new patients

Locations

800 S Main St
Corona, CA 92882
Phone (909) 625-5411

1642 W Avenue J
Lancaster, CA 93534
Phone (661) 942-8463

1600 W Avenue J
Lancaster, CA 93534
Phone (661) 726-6254

2701 S Bristol St
Santa Ana, CA 92704
Phone (714) 636-0342

19197 Golden Valley Rd
Santa Clarita, CA 91387
Phone (800) 820-7813

1701 Santa Anita Ave
South El Monte, CA 91733
Phone (626) 350-7916

601 E Altamonte Dr
Altamonte Springs, FL 32701
Phone (407) 303-2200

2100 Ocoee Apopka Rd
Apopka, FL 32703
Phone (407) 607-7000

303 N Clyde Morris Blvd
Daytona Beach, FL 32114
Phone (386) 425-2285

3300 E Halifax Crossing Blvd
Deltona, FL 32725
Phone (386) 425-1800

804 Emmett St
Kissimmee, FL 34741
Phone (407) 449-4559

525 Technology Park
Ste 109
Lake Mary, FL 32746
Phone 4076472346 ext. 111

917 Rinehart Rd
Ste 1051
Lake Mary, FL 32746
Phone (407) 562-9170

601 E Rollins St
Orlando, FL 32803
Phone (407) 303-1996

1507 S Hiawassee Rd
Ste 206
Orlando, FL 32835
Phone (407) 445-9545

3600 S Highlands Ave
Sebring, FL 33870
Phone (863) 385-6101

200 N Lakemont Ave
Winter Park, FL 32792
Phone (407) 646-7000

5717 Red Bug Lake Rd
Winter Springs, FL 32708
Phone (321) 207-0172

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 2

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": "1184284800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762473600000",
    "number": "1023217502",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "346 PENINSULA ISLAND PT",
            "city": "LONGWOOD",
            "state": "FL",
            "postal_code": "327506323",
            "telephone_number": "407-921-2133"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "346 PENINSULA ISLAND PT",
            "city": "LONGWOOD",
            "state": "FL",
            "postal_code": "327506323",
            "telephone_number": "407-923-2133",
            "fax_number": "407-960-3266"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JANECZEK",
        "first_name": "LUKASZ",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-13",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WA",
            "license": "MD.70036493",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "FL",
            "license": "ME105378",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MI",
            "license": "4301515679",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "C157968",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "FL",
            "license": "ME105378",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "C157968",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "TX",
            "license": "W2081",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CO",
            "license": "DR.0076489",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IN",
            "license": "01098284A",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1748200",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Longwood, FL

Sources for this page

Verify at the official NPI Registry.