Individual provider Active NPI

Evan Matthew Chen, MD

  • Ophthalmology Physician
  • Palo Alto, CA
National Provider Identifier
1821675091
Registry record updated Jul 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
A180147 Issued in CA
Practice address
300 Pasteur Dr
Palo Alto, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Mar 25, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 7, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X A180147 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Palo Alto, CA 94305-2200

Mailing address

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

Other practice location 1

2452 Watson Ct
Palo Alto, CA 94303-3216
Phone (650) 723-6995

Other practice location 2

513 Parnassus Ave # S321
San Francisco, CA 94143-2205
Phone (651) 235-4752

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, MN2 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
I20250422002420 CA Practitioner - Ophthalmology 7911386925 Reassigns benefits to 2 organizations
I20260513001032 MN Practitioner - Ophthalmology 7911386925

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Yale University School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

  • Stanford Health Care Hospital, Stanford, CA, CCN 050441

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
LPCH Medical Group Div of Lucile CurrentSince Mar 20, 2025 Accepting new patients
Stanford Health Care CurrentSince Mar 20, 2025 Accepting new patients
Stanford Health Care Surgery Current Accepting new patients
Stanford Health Care CurrentSince Mar 20, 2025 Accepting new patients

Locations

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

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

2452 Watson Ct
Ste 1700
Palo Alto, CA 94303
Phone (650) 723-5281

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

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.

Hospital & facility affiliations 7

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": "1616630400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751846400000",
    "number": "1821675091",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "PALO ALTO",
            "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": "PALO ALTO",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2452 Watson Ct",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943033216",
            "country_code": "US",
            "telephone_number": "650-723-6995",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "513 Parnassus Ave # S321",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941432205",
            "country_code": "US",
            "telephone_number": "651-235-4752",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "EVAN",
        "middle_name": "MATTHEW",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-25",
        "last_updated": "2025-07-07",
        "certification_date": "2025-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A180147",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.