Ewelina Bryll-Perzan, M.D.

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

311759 Issued in NY

Practice address

14 Harwood CT Ste 415
Scarsdale, NY 10583-4120

Phone

(914) 714-3308

NPI assigned

May 23, 2016

Sex

Female

Sole proprietor

Yes

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Endocrinology

Education

Other, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Westchester Health Medical PCGroup PAC ID 7315221751, 87 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northern Westchester Hospital Hospital, Mount Kisco, NY, CCN 330162
• Phelps Hospital Hospital, Sleepy Hollow, NY, CCN 330261

Merit-based Incentive Payment System (MIPS)

Final score

93.07 of 100Reported as apm

Quality

79.77

Promoting interoperability

88.77

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: ebryllperzan29038@northwell.direct-ci.com
• Direct secure messaging: ewelina.bryllperzanmd.p1@direct.westchesterhealth.nextgenshare.com

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.

• Westchester Health Medical, P.C.

  • Allergy & Immunology Physician
  • Katonah, NY
  • NPI 1386188647
  Medicare reassignment Care Compare group NPD
• Westchester Health Medical, P.C.

  • Durable Medical Equipment & Medical Supplies
  • Mount Kisco, NY
  • NPI 1598203911
  NPD

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

• Northern Westchester Hospital Association

  • Medicare Defined Swing Bed Hospital Unit
  • Mount Kisco, NY
  • NPI 1396178356
  Care Compare affiliation
• Northern Westchester Hospital Association

  • General Acute Care Hospital
  • Mount Kisco, NY
  • NPI 1912992215
  Care Compare affiliation
• Phelps Memorial Hospital Association

  • General Acute Care Hospital
  • Sleepy Hollow, NY
  • NPI 1720185267
  Care Compare affiliation

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

{
    "created_epoch": "1463961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784246400000",
    "number": "1649627282",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14 HARWOOD CT STE 415",
            "city": "SCARSDALE",
            "state": "NY",
            "postal_code": "105834120",
            "telephone_number": "914-714-3308"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14 HARWOOD CT STE 415",
            "city": "SCARSDALE",
            "state": "NY",
            "postal_code": "105834120",
            "telephone_number": "914-714-3308"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRYLL-PERZAN",
        "first_name": "EWELINA",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-05-23",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "NY",
            "license": "311759",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Steven A. Brisman, D.M.D.
• Patricia M Bronzert, M.D.
• Gwen Cohen Brown, D.D.S.
• Janmarie Brown, LMFT
• Amy Bruno
• Stephen Anthony Buglione, PH.D.
• Loren C Buonocore, DMD
• Anna Burgansky, M.D.
• Ariel Butterfass, LCSW
• Michael John Cafarella, D.M.D.

• Endocrinology, Diabetes & Metabolism Physician in Scarsdale, NY
• Providers in Scarsdale, NY by specialty
• Endocrinology, Diabetes & Metabolism Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 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.

Verify at the official NPI Registry.