Marshel Marion Singleton, RN

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

F346417-01 Issued in NY

Practice address

200 Belle Terre Rd
Port Jefferson, NY 11777-1928

Phone

(904) 372-3943

Fax

(904) 212-1618

NPI assigned

Aug 18, 2014

Last updated

Oct 9, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Diabetes Management Partners LLCGroup PAC ID 9436435385, 66 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Charles Hospital Hospital, Port Jefferson, NY, CCN 330246
• Chsli St Joseph Hospital Hospital, Bethpage, NY, CCN 330332
• St Catherine of Siena Hospital Hospital, Smithtown, NY, CCN 330401

Merit-based Incentive Payment System (MIPS)

Final score

91.5 of 100Reported as group

Quality

90

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner, Registered Nurse

State licenses

Practice roles

Locations

Networks

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

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.

• Diabetes Management Partners LLC

  dba GlyCare

  • Endocrinology, Diabetes & Metabolism Physician
  • Bethpage, NY
  • NPI 1013461193
  Medicare reassignment Care Compare group NPD
• Sight Medical Doctors PLLC

  • Ophthalmology Physician
  • Hauppauge, NY
  • NPI 1487077483
  Medicare reassignment NPD
• Sight Medical Doctors PLLC

  dba SightMD NY

  • Durable Medical Equipment & Medical Supplies
  • Johnson City, NY
  • NPI 1730040700
  NPD
• Diabetes Management Partners LLC

  • Endocrinology, Diabetes & Metabolism Physician
  • Bel Air, MD
  • NPI 1245101617
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• St Charles Hospital Corp

  dba St. Charles Hospital

  • General Acute Care Hospital
  • Port Jefferson, NY
  • NPI 1164481529
  Care Compare affiliation
• St. Catherine of Siena Medical Center

  • General Acute Care Hospital
  • Smithtown, NY
  • NPI 1982663423
  Care Compare affiliation
• Wsnchs North, Inc.

  dba St. Joseph Hospital

  • General Acute Care Hospital
  • Bethpage, NY
  • NPI 1013998426
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1408320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1053710822",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7751 BELFORT PKWY STE 120",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322566921",
            "telephone_number": "904-372-3943",
            "fax_number": "904-212-1618"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 BELLE TERRE RD",
            "city": "PORT JEFFERSON",
            "state": "NY",
            "postal_code": "117771928",
            "telephone_number": "904-372-3943",
            "fax_number": "904-212-1618"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "125 Kennedy Dr Ste 400A",
            "address_purpose": "LOCATION",
            "city": "Hauppauge",
            "state": "NY",
            "postal_code": "117884040",
            "country_code": "US",
            "telephone_number": "631-475-3355",
            "fax_number": "631-475-1384",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SINGLETON",
        "first_name": "MARSHEL",
        "middle_name": "MARION",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-08-18",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "F346417-01",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "689369",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NY",
            "license": "689369",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Robert A Silver, DDS
• Michael James Simpson, MHC-LP
• Christopher M Sinclair, M.D.
• Sunitha Singh, MD
• Pulkit Singla, DO
• Archna Sinha, M.D.
• Vimala Sivaraman
• Karen Sivin, LCSW
• Amanda R Skelly, CF-SLP
• Jeffrey C Skillman, LMSW

• Family Nurse Practitioner in Port Jefferson, NY
• Providers in Port Jefferson, NY by specialty
• Family Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 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.

Verify at the official NPI Registry.