Active NPI
Optum Medical Care, P.C.
- Durable Medical Equipment & Medical Supplies
- Brewster, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Durable Medical Equipment & Medical Supplies
- Legal business name
- OPTUM MEDICAL CARE, P.C.
- Practice address
- 185 Route 312
Brewster, NY 10509-2337 - Phone
- (845) 278-7000
- NPI assigned
- Jan 20, 2026
- Last updated
- Mar 10, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Jonathan F Nasser, MD
- Title
- Ceo
- Phone
- (845) 703-6999
Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Durable Medical Equipment & Medical Supplies | 332B00000X | NU | Primary | |
| Podiatrist | 213E00000X | NU |
Addresses
Primary practice location
185 Route 312
Brewster, NY 10509-2337
Mailing address
PO Box 95000
Philadelphia, PA 19195-0001
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 33D0913803 | Optum Medical Care PC | Certificate of waiver | Mar 9, 2028 |
National Provider Directory
National Provider Directory- Tax ID family
- Karen B Pasieka
Other organizations with this tax ID 34
Organizations that report the same tax identification number in the National Provider Directory.
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- Hematology (Internal Medicine) Physician
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-
- Internal Medicine Physician
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-
- Obstetrics & Gynecology Physician
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- Cardiovascular Disease Physician
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-
- Internal Medicine Physician
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-
- Colon & Rectal Surgery Physician
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-
- Hematology & Oncology Physician
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-
- Internal Medicine Physician
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-
- Durable Medical Equipment & Medical Supplies
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- NPI 1003772864
-
dba CareMount Medical, P.C.
- Clinical Medical Laboratory
- Brewster, NY
- NPI 1013442029
-
- Durable Medical Equipment & Medical Supplies
- Rockville Centre, NY
- NPI 1013872878
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Internal Medicine Physician
- Middletown, NY
- NPI 1194713347
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1768867200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1773100800000",
"number": "1083573539",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 95000",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191950001"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "185 ROUTE 312",
"city": "BREWSTER",
"state": "NY",
"postal_code": "105092337",
"telephone_number": "845-278-7000"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "OPTUM MEDICAL CARE, P.C.",
"organizational_subpart": "NO",
"enumeration_date": "2026-01-20",
"last_updated": "2026-03-10",
"certification_date": "2026-03-10",
"status": "A",
"authorized_official_last_name": "NASSER",
"authorized_official_first_name": "JONATHAN",
"authorized_official_middle_name": "F",
"authorized_official_title_or_position": "CEO",
"authorized_official_telephone_number": "845-703-6999",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "332B00000X",
"taxonomy_group": "",
"desc": "Durable Medical Equipment & Medical Supplies",
"state": "NU",
"license": null,
"primary": true
},
{
"code": "213E00000X",
"taxonomy_group": "",
"desc": "Podiatrist",
"state": "NU",
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Brewster, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- 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.