Individual provider Active NPI

Rachel Kleyn, RN

  • Certified Registered Nurse Anesthetist
  • New York, NY
National Provider Identifier
1255990362
Registry record updated Jun 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
696613 Issued in NY
Practice address
60 W 23Rd St Apt 828
New York, NY 10010-5293
Phone
(847) 804-2507
NPI assigned
Jun 12, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 696613 NY Primary

Addresses

Primary practice location

60 W 23Rd St Apt 828
New York, NY 10010-5293

Mailing address

60 W 23Rd St Apt 828
New York, NY 10010-5293
Phone (847) 804-2507

Other practice location 1

34 S Bedford Rd
Mount Kisco, NY 10549-5402
Phone (914) 242-4400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220316000993 NY Practitioner - Certified Registered Nurse Anesthetist (Crna) 8820483530 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Optum Medical Care PCGroup PAC ID 9931013240, 1,013 clinicians

Practice addresses (Care Compare)

355 Kear St
Yorktown Heights, NY 10598-4415
Phone (914) 241-1050

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
85.32
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
82.13 of 100Reported as group
Quality
72.13
Promoting interoperability
91
Improvement activities
40
Cost
75.81

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Registered Nurse

State licenses

LicenseStateTypeSpecialty
696613NYMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Weill Medical College of Cornell Nurse Anesthetist, Certified Registered CurrentSince Feb 1, 2022 Accepting new patients
Weill Medical College of Cornell CurrentSince Feb 1, 2022 Accepting new patients
Optum Medical Care, P.C. CurrentSince Sep 18, 2023 Accepting new patients
Optum Medical Care, P.C. CurrentSince Sep 18, 2023 Accepting new patients

Locations

90 S Bedford Rd
Mount Kisco, NY 10549
Phone (914) 242-1050

34 S Bedford Rd
Mount Kisco, NY 10549
Phone (914) 244-6787

525 E 68th St
New York, NY 10065
Phone (212) 746-2846

355 Kear St
Yorktown Hts, NY 10598
Phone (914) 962-5060

Philadelphia, PA 19195

Networks

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

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1560297600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780444800000",
    "number": "1255990362",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "60 W 23RD ST APT 828",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100105293",
            "telephone_number": "847-804-2507"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "60 W 23RD ST APT 828",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100105293",
            "telephone_number": "847-804-2507"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "34 S Bedford Rd",
            "address_purpose": "LOCATION",
            "city": "Mount Kisco",
            "state": "NY",
            "postal_code": "105495402",
            "country_code": "US",
            "telephone_number": "914-242-4400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KLEYN",
        "first_name": "RACHEL",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-12",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NY",
            "license": "696613",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.