NPIMap

Individual provider Active NPI

Leon Lenchik, MD

  • Diagnostic Radiology Physician
  • Stanford, CA
National Provider Identifier
1871578336
Registry record updated Oct 20, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
G80571 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Dec 7, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 20, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X G80571 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 497-8000

Other identifiers 8

IdentifierTypeStateIssuer
15277OtherNCPARTNERS
51723OtherNCBCBS
7213841MedicaidVA
220677000MedicaidWV
65767OtherMEDCOST
5088010OtherNCAETNA
8951723MedicaidNC
Q00607MedicaidSC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NC, CA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20081118000318 NC Practitioner - Diagnostic Radiology 0840350021 Reassigns benefits to 3 organizations
I20251002003485 CA Practitioner - Diagnostic Radiology 0840350021 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Northwestern University Feinberg Medical School, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Wake Forest Health Network LLCGroup PAC ID 4183538895, 276 clinicians
Wake Forest Baptist Imaging LLCGroup PAC ID 3173681681, 76 clinicians
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

1814 Westchester Dr
Suite 100
High Point, NC 27262-7369
Phone (336) 802-2175

265 Executive Park Blvd
Winston Salem, NC 27103-1503
Phone (336) 765-5722

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

861 Old Winston Rd
Suite 105
Kernersville, NC 27284-7141
Phone (336) 765-5722

Medical Ctr Blvd
Winston Salem, NC 27157-0001
Phone (336) 716-2734

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Wake Forest University Health Sciences CurrentSince Jul 1, 2002 Accepting new patients
Wake Forest Health Network LLC Current Accepting new patients
Stanford Health Care Diagnostic Radiology CurrentSince Sep 18, 2025 Accepting new patients
Stanford Health Care CurrentSince Sep 18, 2025 Accepting new patients
Wake Forest Baptist Imaging LLC Diagnostic Radiology CurrentSince Sep 27, 2024 Accepting new patients
Wake Forest Baptist Imaging, LLC Diagnostic Radiology CurrentSince Nov 3, 2008 Accepting new patients
Wake Forest Health Network LLC Diagnostic Radiology CurrentSince Jun 1, 2025 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Sep 18, 2025 Accepting new patients
Stanford Health Care Diagnostic Radiology Current Accepting new patients
Wake Forest Health Network, LLC CurrentSince Jun 1, 2025 Accepting new patients

Locations

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

223 W Ward St
Ste B
Asheboro, NC 27203
Phone (336) 702-1731

223 W Ward St
#B
Asheboro, NC 27203

1814 Westchester Dr
Ste 100
High Point, NC 27262
Phone (336) 802-2397

905 Phillips Ave
High Point, NC 27262
Phone (336) 802-2040

Medical Ctr Blvd
Winston Salem, NC 27157
Phone (336) 713-2697

265 Executive Park Blvd
Winston Salem, NC 27103
Phone (336) 765-5722

Organizations & group practices 10

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 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1133913600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760918400000",
    "number": "1871578336",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "725 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041601",
            "country_code": "US",
            "telephone_number": "650-497-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LENCHIK",
        "first_name": "LEON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-07",
        "last_updated": "2025-10-20",
        "certification_date": "2025-10-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "G80571",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PARTNERS",
            "identifier": "15277",
            "state": "NC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "51723",
            "state": "NC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7213841",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "220677000",
            "state": "WV"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDCOST",
            "identifier": "65767",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "5088010",
            "state": "NC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8951723",
            "state": "NC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "Q00607",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.