Siyi Zhang, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

OPT35548-TLG Issued in CA

Practice address

4220 Von Karman Ave Ste 100
Newport Beach, CA 92660-2056

Phone

(949) 854-7400

Fax

(498) 547-3319

NPI assigned

Jul 5, 2023

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

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

Southern California College of Optometry, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Thomas S Tooma M D a Professional CorporationGroup PAC ID 7911004288, 31 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

81.61 of 100Reported as group

Quality

81.78

Promoting interoperability

74

Improvement activities

40

Cost

78.59

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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.

• Thomas S Tooma M D a Professional Corporation

  • Ophthalmology Physician
  • Newport Beach, CA
  • NPI 1922129865

  Optometrist

  Medicare reassignment Care Compare group NPD
• Thomas S Tooma M D a Professional Corporation

  • Optometrist
  • San Diego, CA
  • NPI 1215583257
  NPD
• Hoag Memorial Hospital Presbyterian

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1518951300

  Single Specialty

  NPD (past)
• Thomas S. Tooma, M.D. a Professional Corporation

  • Ophthalmology Physician
  • Newport Beach, CA
  • NPI 1386764983

  Single Specialty

  NPD (past)

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

{
    "created_epoch": "1688515200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1711238400000",
    "number": "1679251102",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4220 VON KARMAN AVE STE 100",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926602056",
            "telephone_number": "498-547-4009"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4220 VON KARMAN AVE STE 100",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926602056",
            "telephone_number": "949-854-7400",
            "fax_number": "498-547-3319"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZHANG",
        "first_name": "SIYI",
        "name_prefix": "Dr.",
        "credential": "OD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-07-05",
        "last_updated": "2024-03-24",
        "certification_date": "2024-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Optometrist",
            "state": "CA",
            "license": "OPT35548-TLG",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lina Zhan, L.AC O.M.D.
• Jennifer Jiayun Zhang Yoo, OD
• Joanne Yula Zhang, M.D.
• Lucy Zhang
• Qi Zhang, L.AC.
• Diana W Zhao, MD
• Hanson Hanqing Zhao, MD
• Ivy Zheng, CRNP
• Jieming Zhou, O.M.D.
• Eric Zhuang, MD

• Optometrist in Newport Beach, CA
• Providers in Newport Beach, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 24, 2024; 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.