Active NPI
Lukasz K Janeczek, MD
- Hospitalist Physician
- Longwood, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- ME105378
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 9
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1748200 | Medicaid | FL |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in FL, CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- Other, 2004
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
- Antelope Valley Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DR.0076489 | CO | MD | Family Medicine Physician |
| 01098284A | IN | MD | Family Medicine Physician |
| 4301515679 | MI | MD | Family Medicine Physician |
| W2081 | TX | MD | Family Medicine Physician |
| MD.70036493 | WA | MD | Family Medicine Physician |
| C157968 | CA | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Im-FSR Inc. | Hospitalist | Current | Accepting new patients |
| Halifax Healthcare Systems Inc | Family Medicine | Current | Accepting new patients |
| Hospital Physician Services - Southeast Professional Corporation | Hospitalist | Current | Accepting new patients |
| Mid-Florida Emergency Physicians, LLC | Current | Accepting new patients | |
| Florida Med-Psych Consultants LLC | Hospitalist | Current | Accepting new patients |
| Mid Florida Hospital Specialists PA | Family Medicine | Current | Accepting new patients |
| Central Florida Inpatient Medicine LLC | Current | Accepting new patients | |
| Orlando Inpatient Medicine, PA | Hospitalist | Current | Accepting new patients |
| Hospitalist Group of Montebello Inc | Hospitalist | Current | Accepting new patients |
| Horizon Multicare Group Inc | Current | Accepting new patients | |
| Astha Health | Hospitalist | Current | Accepting new patients |
| North Florida Emergency Physicians | Past | Accepting new patients | |
| Openloop Healthcare Partners PC | Past | 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.
-
- Internal Medicine Physician
- Lancaster, CA
- NPI 1598130569
-
- Hospitalist Physician
- Corona, CA
- NPI 1578959318
-
- Hospitalist Physician
- Kissimmee, FL
- NPI 1619611241
-
- Internal Medicine Physician
- Lake Mary, FL
- NPI 1649228859
-
- Hospitalist Physician
- Orlando, FL
- NPI 1063905925
-
- Family Medicine Physician
- Daytona Beach, FL
- NPI 1245283530
-
- Internal Medicine Physician
- Winter Springs, FL
- NPI 1588675912
Family Medicine
-
- Emergency Medicine Physician
- Sebring, FL
- NPI 1558630152
-
- Hospitalist Physician
- Monroe, GA
- NPI 1760410385
FL
-
- Hospitalist Physician
- Chino Hills, CA
- NPI 1154742229
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Lancaster, CA
- NPI 1366419517
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1114081056
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 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.