Siyi Zhang, OD

  • Laguna Hills, CA
  • Optometrist
NPI1679251102PAC ID1759745193
Medicare patients, 2024
22
Part D claims, 2024
34
MIPS score, 2024
82
Industry payments
$1,133
Affiliated sites
1
Practice address
24022 Calle De Plata, Laguna Hills, CA 92653
Practice phone
Call (492) 847-4289
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Laguna Hills Lasik & Cataract Surgery

Laguna Hills, California

See all 3 affiliations

Find Siyi Zhang's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Siyi Zhang is an optometrist in Laguna Hills, California

Siyi Zhang practices at Laguna Hills Lasik & Cataract Surgery in Laguna Hills, California.

Siyi Zhang's NPI, 1679251102, was assigned on July 5, 2023. Siyi Zhang graduated from Southern California College of Optometry in 2023. Siyi Zhang holds California license OPT35548-TLG.

NPI and contact details
Medicare PAC ID
1759745193
NPI enumeration date
July 5, 2023
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(492) 847-4289
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
29
Medical school graduation
2023

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Siyi Zhang practices at Laguna Hills Lasik & Cataract Surgery in Laguna Hills, California

Siyi Zhang's primary practice is Laguna Hills Lasik & Cataract Surgery, at 24022 Calle De Plata, Laguna Hills, CA 92653 in Orange County. The practice phone is (492) 847-4289.

  • Laguna Hills Lasik & Cataract Surgery
    24022 Calle De Plata, Laguna Hills, CA 92653 · Orange CountyPhone(492) 847-4289

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Siyi Zhang is affiliated with 2 sites of care and 1 medical group

Siyi Zhang's primary practice is Laguna Hills Lasik & Cataract Surgery in Laguna Hills, California. Dmand AI also links Siyi Zhang to 1 group practice or clinic and 1 medical group, each named with a free account.

Laguna Hills Lasik & Cataract SurgeryLaguna Hills, CaliforniaPrimary
1 group practice or clinicName with a free account1 medical groupName with a free account
See all 3 affiliations for Siyi Zhang

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Siyi Zhang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Siyi Zhang practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Laguna Hills Lasik & Cataract SurgeryAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Siyi Zhang practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Siyi Zhang is one of 7,206 optometrists in California

Optometrist is Siyi Zhang's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Siyi Zhang is licensed in California.

Specialties and state licenses

  • Optometrist, CaliforniaPrimaryLicense OPT35548-TLG · taxonomy 152W00000X

Optometrists near Siyi Zhang

Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Siyi Zhang treated 22 Medicare patients in 2024, average age 73

CMS counts 22 Medicare patients who saw Siyi Zhang in 2024. 64% of them have high cholesterol, and 50% have high blood pressure. Their average risk score is 0.76, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Siyi Zhang's median patient age at 63, with 53% women.

Medicare patients, 202422
Average age73
Average risk score0.76

Chronic conditions among Siyi Zhang's Medicare patients, 2024

  1. High cholesterol64%
  2. High blood pressure50%

Share of Medicare patients with each condition. A patient can have several.

Siyi Zhang's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women53%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Siyi Zhang wrote 34 Medicare Part D claims in 2024

In 2024, Siyi Zhang wrote 34 Medicare Part D claims for 25 patients. 56% of them were for generic drugs.

Part D claims, 202434
Part D patients25

Siyi Zhang's Part D claims by kind of drug, 2024

  • Generic19 claims56%
  • Brand-name15 claims44%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Siyi Zhang scored 82 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Siyi Zhang for performance year 2024, reported as part of a group. Siyi Zhang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Siyi Zhang's MIPS scores, performance year 2024

  • 82of 100Final score
  • 81.8of 100Quality
  • 74of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 79of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find optometrists like Siyi Zhang by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Siyi Zhang received $1,133 in industry payments in 2025

CMS Open Payments shows 54 general payments to Siyi Zhang from 12 drug and device companies in 2025. Food and beverage make up the largest share, 98% of the total. Bausch & Lomb Americas Inc. paid the most, $346.

General payments to Siyi Zhang by kind, 2025 to 2025

$1.1Kin total
  • Food and beverage$1,11498%
  • Entertainment$182%

Companies that paid Siyi Zhang the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Siyi Zhang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Siyi Zhang graduated from Southern California College of Optometry

Siyi Zhang graduated from Southern California College of Optometry in 2023.

  1. Medical schoolSouthern California College of Optometry

Source: Dmand AI Professional Profile Data

Sources for Siyi Zhang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Siyi Zhang

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Siyi Zhang's NPI number?

Siyi Zhang's NPI number is 1679251102. It was assigned on July 5, 2023, and it is active in the NPI Registry.

What does Siyi Zhang specialize in?

Siyi Zhang is an optometrist in Laguna Hills, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Siyi Zhang practice?

Siyi Zhang practices at 24022 Calle De Plata, Laguna Hills, CA 92653. Siyi Zhang's primary practice is Laguna Hills Lasik & Cataract Surgery in Laguna Hills, California. Dmand AI also links Siyi Zhang to 1 group practice or clinic and 1 medical group.

What is Siyi Zhang's office phone number?

The practice phone on file for Siyi Zhang is (492) 847-4289.

What is Siyi Zhang's medical license number?

Siyi Zhang holds California license OPT35548-TLG.

Does Siyi Zhang accept Medicare?

Yes. CMS lists Siyi Zhang as accepting Medicare assignment.

What is Siyi Zhang's MIPS score?

Siyi Zhang's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.

How many Medicare patients does Siyi Zhang see?

CMS counts 22 Medicare patients who saw Siyi Zhang in 2024, with an average age of 73.

Where did Siyi Zhang go to medical school?

Siyi Zhang graduated from Southern California College of Optometry in 2023.

Has Siyi Zhang received payments from drug or device companies?

CMS Open Payments shows $1,133 in general payments to Siyi Zhang from 12 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.

How long has Siyi Zhang been practicing?

Siyi Zhang graduated from medical school in 2023, 3 years ago.

Selling to optometrist practices?

See optometrists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)