Active NPI
Jonathan Schlosser, D.O.
- Endocrinology, Diabetes & Metabolism Physician
- Suffern, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endocrinology, Diabetes & Metabolism Physician
- License
- 229600
- Practice address
- 222 Route 59
Suite 201
Suffern, NY 10901-5204 - Phone
- (845) 357-3838
- Fax
- (845) 357-8930
- NPI assigned
- Jan 18, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Endocrinology, Diabetes & Metabolism Physician | 207RE0101X | 229600 | NY | Primary |
Addresses
Primary practice location
222 Route 59
Suite 201
Suffern, NY 10901-5204
Mailing address
222 Route 59
Suite 201
Suffern, NY 10901-5204
Phone (845) 357-3838
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: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Endocrinology
- Education
- New York College of Osteo Medicine of New York Institute of Technology, 2000
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
156 Route 59
Suite C1
Suffern, NY 10901-5010
Phone (845) 357-3838
Hospital & facility affiliations
- Good Samaritan Hospital of Suffern
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.29 of 100
- Quality
- 93.05
- Improvement activities
- 40
- Cost
- 75.17
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Rockland Endocrine & Diabetes Services PC | Current | Accepting new patients |
Locations
156 Route 59
Ste C1
Suffern, NY 10901
Phone (845) 357-3838
222 Route 59
Ste 201
Suffern, NY 10901
Phone (845) 357-3838
Interoperability endpoints
- drschlosser@rocklandendocrine.medentdirect.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 and National Provider Directory roles.
-
- Specialist
- Suffern, NY
- NPI 1245245125
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Suffern, NY
- NPI 1346213469
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1137542400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1902886815",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "222 ROUTE 59",
"address_2": "SUITE 201",
"city": "SUFFERN",
"state": "NY",
"postal_code": "109015204",
"telephone_number": "845-357-3838",
"fax_number": "845-357-8930"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "222 ROUTE 59",
"address_2": "SUITE 201",
"city": "SUFFERN",
"state": "NY",
"postal_code": "109015204",
"telephone_number": "845-357-3838",
"fax_number": "845-357-8930"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SCHLOSSER",
"first_name": "JONATHAN",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-01-18",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RE0101X",
"taxonomy_group": "",
"desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
"state": "NY",
"license": "229600",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Suffern, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.