NPIMap

Individual provider Active NPI

Chase Axel Ludwig, MD

  • Retina Specialist (Ophthalmology) Physician
  • Stanford, CA
National Provider Identifier
1932556875
Registry record updated Nov 7, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Retina Specialist (Ophthalmology) PhysicianTaxonomy code 207WX0107X
License
A156503 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
May 20, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 7, 2024

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X A156503 CA
Retina Specialist (Ophthalmology) Physician 207WX0107X A156503 CA Primary
Ophthalmology Physician 207W00000X 283061 MA

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

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

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220812000989 CA Practitioner - OphthalmologyPractitioner - Other (Physician) 8022435072 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Stanford University School of Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians
County of Santa ClaraGroup PAC ID 1254244973, shared by 46 NPIs, 1,000 clinicians

Practice addresses (Care Compare)

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

751 S Bascom Ave
San Jose, CA 95128-2604
Phone (408) 885-5000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
61 of 100Reported as group
Quality
59.41
Promoting interoperability
0
Improvement activities
40
Cost
71.45

Merit-based Incentive Payment System (MIPS)

Final score
88.53 of 100Reported as group
Quality
87.08
Promoting interoperability
100
Improvement activities
40
Cost
69.51

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A156503CAMDOphthalmology Physician
283061MAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
LPCH Medical Group Div of Lucile CurrentSince Aug 1, 2022 Accepting new patients
County of Santa Clara CurrentSince Sep 27, 2022 Accepting new patients
Stanford Health Care CurrentSince Aug 1, 2022 Accepting new patients
County of Santa Clara CurrentSince Sep 27, 2022 Accepting new patients
County of Santa Clara CurrentSince Sep 27, 2022 Accepting new patients
County of Santa Clara Current Accepting new patients
Stanford Health Care Current Accepting new patients
Stanford Health Care CurrentSince Aug 1, 2022 Accepting new patients
County of Santa Clara Current Accepting new patients
County of Santa Clara Ophthalmology Current Accepting new patients
County of Santa Clara CurrentSince Sep 27, 2022 Accepting new patients
Massachusetts Eye and Ear Infirmary Past Accepting new patients
Lucile Salter Packard Children's Hospital at Stanford Past Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
County of Santa Clara Past Accepting new patients

Locations

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

2452 Watson Ct
Palo Alto, CA 94303
Phone (650) 721-6888

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

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

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

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

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

751 S Bascom Ave
Fl 3
San Jose, CA 95128
Phone (408) 358-2511

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

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

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

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

Interoperability endpoints

  • Direct secure messaging: cludwig130241@direct.stanfordhealthcare.org
  • Direct secure messaging: cludwig44224@santaclaravalley.direct-ci.net

Organizations & group practices 15

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.

View all 15

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": "1463702400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1730937600000",
    "number": "1932556875",
    "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": [],
    "basic": {
        "last_name": "LUDWIG",
        "first_name": "CHASE",
        "middle_name": "AXEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-05-20",
        "last_updated": "2024-11-07",
        "certification_date": "2024-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A156503",
            "primary": false
        },
        {
            "code": "207WX0107X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Retina Specialist",
            "state": "CA",
            "license": "A156503",
            "primary": true
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MA",
            "license": "283061",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.