Marilyn Serbetzian Lashlee, PNP

Primary specialty

Pediatric Nurse PractitionerTaxonomy code 363LP0200X

License

381736 Issued in NY

Practice address

266 North St Ste a
Newburgh, NY 12550-3131

Phone

(845) 565-5437

NPI assigned

Oct 11, 2018

Last updated

Aug 5, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

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

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Networks

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

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: marilyn.lashlee.p1@direct.cwpw.nextgenshare.com

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.

• Boston Children's Health Physicians, LLP

  • Pediatrics Physician
  • Hawthorne, NY
  • NPI 1467454967
  Medicare reassignment NPD
• Dutchess Family Health NP PLLC

  • Family Nurse Practitioner
  • Hopewell JCT, NY
  • NPI 1508558891
  Medicare reassignment NPD
• Boston Childrens Health Physicians LLP

  dba Boston Childrens Health Physicians Pediatric Endocrinology Division

  • Clinical Medical Laboratory
  • Sleepy Hollow, NY
  • NPI 1588651079
  NPD
• Community Orthopedic Associates

  • Orthopaedic Surgery Physician
  • Cortlandt Manor, NY
  • NPI 1215038690
  NPD (past)

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

{
    "created_epoch": "1539216000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1891260295",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12 CLOVE HOLLOW RD",
            "city": "HOPEWELL JUNCTION",
            "state": "NY",
            "postal_code": "125335564",
            "telephone_number": "845-346-5001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "266 NORTH ST STE A",
            "city": "NEWBURGH",
            "state": "NY",
            "postal_code": "125503131",
            "telephone_number": "845-565-5437"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SERBETZIAN LASHLEE",
        "first_name": "MARILYN",
        "credential": "PNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-10-11",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "NY",
            "license": "381736",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Seaport Orthopaedic Associates
• Dov B Sebrow, MD
• Sharon Seelig, LCSW
• Marc Seif, MSPSY
• Melad Semaan, DDS
• Jamie L Serra, OTR,CHT
• Carmen Serrette
• Virginia Serviss, M.S. MHC
• Jonathan Philip Shafer
• Elvina Shagieva, MD

• Pediatric Nurse Practitioner in Newburgh, NY
• Providers in Newburgh, NY by specialty
• Pediatric Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.