Stephen Russell Chun, OD, FAAO

Primary specialty

Vision Therapy OptometristTaxonomy code 152WV0400X

License

5835TLG Issued in CA

Practice address

2414 Shattuck Ave
Berkeley, CA 94704-2023

Phone

(510) 843-1228

Fax

(510) 524-1062

NPI assigned

Dec 29, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 7

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Optometry

Education

Berkeley Northeastern State University - College of Medicine, 1974

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regents of the University of California at BerkeleyGroup PAC ID 8628083110, 57 clinicians

Mark a Fujikawa and Stephen R Chun PTRGroup PAC ID 8921035122, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: schun349735@direct-ucsfmedicalcenter.org

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.

• Mark a Fujikawa & Stephen R Chun PTR

  dba The Berkeley Optometric Group

  • Optometrist
  • Berkeley, CA
  • NPI 1639394166
  Medicare reassignment Care Compare group NPD
• Regents of the University of California at Berkeley

  • Optometrist
  • Berkeley, CA
  • NPI 1306908058
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1167350400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1942366133",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2414 SHATTUCK AVE",
            "city": "BERKELEY",
            "state": "CA",
            "postal_code": "947042023",
            "telephone_number": "510-843-1228",
            "fax_number": "510-524-1062"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2414 SHATTUCK AVE",
            "city": "BERKELEY",
            "state": "CA",
            "postal_code": "947042023",
            "telephone_number": "510-843-1228",
            "fax_number": "510-524-1062"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHUN",
        "first_name": "STEPHEN",
        "middle_name": "RUSSELL",
        "name_prefix": "Dr.",
        "credential": "OD, FAAO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-29",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "5835TLG",
            "primary": false
        },
        {
            "code": "152WC0802X",
            "taxonomy_group": "",
            "desc": "Optometrist, Corneal and Contact Management",
            "state": "CA",
            "license": "5835TLG",
            "primary": false
        },
        {
            "code": "152WL0500X",
            "taxonomy_group": "",
            "desc": "Optometrist, Low Vision Rehabilitation",
            "state": "CA",
            "license": "5835TLG",
            "primary": false
        },
        {
            "code": "152WP0200X",
            "taxonomy_group": "",
            "desc": "Optometrist, Pediatrics",
            "state": "CA",
            "license": "5835TLG",
            "primary": false
        },
        {
            "code": "152WS0006X",
            "taxonomy_group": "",
            "desc": "Optometrist, Sports Vision",
            "state": "CA",
            "license": "5835TLG",
            "primary": false
        },
        {
            "code": "152WV0400X",
            "taxonomy_group": "",
            "desc": "Optometrist, Vision Therapy",
            "state": "CA",
            "license": "5835TLG",
            "primary": true
        },
        {
            "code": "152WX0102X",
            "taxonomy_group": "",
            "desc": "Optometrist, Occupational Vision",
            "state": "CA",
            "license": "5835TLG",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "SD005835",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Marlena Akiko Chu, O.D.
• Stephanie Chu, PHARMD
• Irene Chui, PSY.D.
• Brett Lawrence Chun, LCSW
• Meghan Kanoelani Yukie Chun
• Kathleen Sora Chung, MD
• Mar Chung
• Marta Cieslak
• Valerie Jean Cipollone
• Eric Steven Citron, D.D.S.

• Vision Therapy Optometrist in Berkeley, CA
• Providers in Berkeley, CA by specialty
• Vision Therapy Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.