NPIMap

Individual provider Active NPI

Jeffrey M Stewart, MD

  • Hematology & Oncology Physician
  • Middletown, NY
National Provider Identifier
1982715892
Registry record updated Oct 16, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
195350 Issued in NY
Practice address
185 Rykowski LN
Middletown, NY 10941-4055
Phone
(845) 703-6999
Fax
(845) 703-6297
NPI assigned
Aug 31, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 16, 2020

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 195350 NY Primary

Addresses

Primary practice location

185 Rykowski LN
Middletown, NY 10941-4055

Mailing address

155 Crystal Run Rd
Middletown, NY 10941-4028
Phone (845) 703-6999

Other identifiers 1

IdentifierTypeStateIssuer
01524065MedicaidNY

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jeffrey.stewartmd.p1@direct.crystalrun.nextgenshare.com Direct

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20051228000795 NY Practitioner - Hematology/Oncology 8022030402 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
University of Florida College of Medicine, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

300 Crystal Run Rd
Middletown, NY 10941-4069
Phone (845) 692-6999

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
85.01 of 100Reported as group
Quality
73.63
Promoting interoperability
100
Improvement activities
40
Cost
72.39

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
195350NYMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Crystal Run Healthcare Physicians LLP CurrentSince Oct 3, 2016 Accepting new patients
Crystal Run Healthcare Physicians LLP Hematology & Oncology CurrentSince Oct 3, 2016 Accepting new patients
Horizon Medical Group, P.C. PastSince Aug 17, 2025 Accepting new patients

Locations

155 Crystal Run Rd
Middletown, NY 10941

185 Rykowski Ln
Middletown, NY 10941
Phone (845) 692-0090

300 Crystal Run Rd
Middletown, NY 10941
Phone (845) 692-6999

Networks

  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678

Interoperability endpoints

  • Direct secure messaging: jstewart148235@direct.optum.com

Organizations & group practices 3

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.

Hospital & facility affiliations 5

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": "1156982400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1602806400000",
    "number": "1982715892",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "155 CRYSTAL RUN RD",
            "city": "MIDDLETOWN",
            "state": "NY",
            "postal_code": "109414028",
            "telephone_number": "845-703-6999",
            "fax_number": "845-703-6297"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "185 RYKOWSKI LN",
            "city": "MIDDLETOWN",
            "state": "NY",
            "postal_code": "109414055",
            "telephone_number": "845-703-6999",
            "fax_number": "845-703-6297"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEWART",
        "first_name": "JEFFREY",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-31",
        "last_updated": "2020-10-16",
        "certification_date": "2020-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "195350",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01524065",
            "state": "NY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jeffrey.stewartmd.p1@direct.crystalrun.nextgenshare.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "185 Rykowski Ln",
            "city": "Middletown",
            "state": "NY",
            "country_code": "US",
            "postal_code": "109414055",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Middletown, NY

Sources for this page

Verify at the official NPI Registry.