Individual provider Active NPI

Dennis London, MD

  • Neurological Surgery Physician
  • New York, NY
National Provider Identifier
1376078238
Registry record updated Apr 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
334953 Issued in NY
Practice address
550 First Ave
New York, NY 10016-6402
Phone
(212) 263-5506
NPI assigned
Apr 27, 2017
Last updated
Apr 14, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 14, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neurological Surgery Physician 207T00000X A193360 CA
Neurological Surgery Physician 207T00000X 334953 NY Primary

Addresses

Primary practice location

550 First Ave
New York, NY 10016-6402

Mailing address

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

Other practice location 1

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, NY2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20240312003677 CA Practitioner - Neurosurgery 8527404573 Reassigns benefits to 3 organizations
I20250822004247 NY Practitioner - Neurology 8527404573 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
New York UniversityGroup PAC ID 1355232422, 5,925 clinicians

Practice addresses (Care Compare)

111 Broadway
New York, NY 10006-1901
Phone (212) 263-9700

530 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

550 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

560 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Laminectomy or laminotomy (partial removal of spine bones)1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A193360CAMDNeurological Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Santa Clara CurrentSince May 15, 2024 Accepting new patients
New York University CurrentSince Sep 1, 2025 Accepting new patients
County of Santa Clara CurrentSince May 15, 2024 Accepting new patients
New York University Neurological Surgery CurrentSince Sep 1, 2025 Accepting new patients
County of Santa Clara Neurological Surgery Current Accepting new patients
County of Santa Clara CurrentSince May 15, 2024 Accepting new patients
County of Santa Clara Current Accepting new patients
County of Santa Clara CurrentSince May 15, 2024 Accepting new patients
County of Santa Clara Current Accepting new patients
Stanford Health Care Neurological Surgery Past Accepting new patients
County of Santa Clara Past Accepting new patients

Locations

7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400

1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320

1996 Lundy Ave
San Jose, CA 95131
Phone (408) 299-5846

2101 Alexian Dr
San Jose, CA 95116
Phone (408) 272-6050

500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433

750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

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

660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366

700 Hicksville Rd
Ste 205
Bethpage, NY 11714
Phone (646) 501-3325

488 Great Neck Rd
Ste 300
Great Neck, NY 11021
Phone (516) 482-6747

550 1st Ave
New York, NY 10016
Phone (212) 263-3293

Networks

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

Interoperability endpoints

  • Direct secure messaging: dlondon208081@santaclaravalley.direct-ci.net
  • Direct secure messaging: dlondon678663@nychhc.direct-ci.com

Organizations & group practices 11

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.

Hospital & facility affiliations 8

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

NPI Registry JSON

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

{
    "created_epoch": "1493251200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744588800000",
    "number": "1376078238",
    "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": "550 FIRST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "212-263-5506"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Pasteur Dr",
            "address_purpose": "LOCATION",
            "city": "Stanford",
            "state": "CA",
            "postal_code": "943052200",
            "country_code": "US",
            "telephone_number": "650-723-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LONDON",
        "first_name": "DENNIS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-27",
        "last_updated": "2025-04-14",
        "certification_date": "2025-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "CA",
            "license": "A193360",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "NY",
            "license": "334953",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.