Active NPI
Marlene Sadloo, A-GACNP
- Gastroenterology Physician
- Yonkers, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 431938
- Practice address
- 967 N Broadway
Yonkers, NY 10701-1301 - Phone
- (914) 964-4444
- NPI assigned
- Feb 16, 2021
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Acute Care Nurse Practitioner | 363LA2100X | 431938 | NY | |
| Gastroenterology Physician | 207RG0100X | 431938 | NY | Primary |
| Nurse Practitioner | 363L00000X | 431938 | NY | |
| Adult Health Nurse Practitioner | 363LA2200X | 431938 | NY |
Addresses
Primary practice location
967 N Broadway
Yonkers, NY 10701-1301
Mailing address
506 N High St
Mount Vernon, NY 10552-3105
Phone (914) 513-1281
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY
- 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, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1088 N Broadway
Yonkers, NY 10701-1107
Phone (914) 966-9296
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 431938 | NY | MD | Adult Health Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| SJR Medical, PC | Gastroenterology | Current | Accepting new patients |
Locations
128 Ashford Ave
Dobbs Ferry, NY 10522
Phone (914) 245-8936
128 Ashford Ave
Fl 2
Dobbs Ferry, NY 10522
Phone (914) 693-6500
141 S Central Ave
Ste 301
Hartsdale, NY 10530
Phone (914) 713-3228
1088 N Broadway
Yonkers, NY 10701
Phone (914) 964-4965
967 N Broadway
Yonkers, NY 10701
Phone (914) 798-8956
1088 N Broadway
#2
Yonkers, NY 10701
Phone (914) 636-4466
Networks
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H1722
Interoperability endpoints
- marlened@stjohnsmedicalpc.directmedgenehr.com
Organizations & group practices 1
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1613433600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788220800000",
"number": "1861085334",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "506 N HIGH ST",
"city": "MOUNT VERNON",
"state": "NY",
"postal_code": "105523105",
"telephone_number": "914-513-1281"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "967 N BROADWAY",
"city": "YONKERS",
"state": "NY",
"postal_code": "107011301",
"telephone_number": "914-964-4444"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SADLOO",
"first_name": "MARLENE",
"credential": "A-GACNP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-02-16",
"last_updated": "2026-09-01",
"certification_date": "2026-09-01",
"status": "A"
},
"taxonomies": [
{
"code": "363LA2100X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Acute Care",
"state": "NY",
"license": "431938",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "NY",
"license": "431938",
"primary": true
},
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "NY",
"license": "431938",
"primary": false
},
{
"code": "363LA2200X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Adult Health",
"state": "NY",
"license": "431938",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Yonkers, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 2026; 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.