Ka Yee So, OD

  • Pinole, CA
  • Optometrist
NPI1770008609PAC ID2961776158
Medicare patients, 2024
581
Part D claims, 2024
705
MIPS score, 2024
94
Industry payments
$42
Affiliated sites
1
Practice address
1289 Pinole Valley Rd, Pinole, CA 94564
Practice phone
Call (510) 724-1768
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

East Bay Ophthalmology

Pinole, California

See all 3 affiliations

Find Ka Yee So'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

Ka Yee So is an optometrist in Pinole, California

Ka Yee So practices at East Bay Ophthalmology in Pinole, California.

Ka Yee So's NPI, 1770008609, was assigned on August 11, 2017. Ka Yee So graduated from University of California - School of Optometry in 2017. Ka Yee So holds California license 33775TLG.

NPI and contact details
Medicare PAC ID
2961776158
NPI enumeration date
August 11, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 724-1768
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
35
Medical school graduation
2017

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

Ka Yee So practices at East Bay Ophthalmology in Pinole, California

Ka Yee So's primary practice is East Bay Ophthalmology, at 1289 Pinole Valley Rd, Pinole, CA 94564 in Contra Costa County. The practice phone is (510) 724-1768.

  • East Bay Ophthalmology
    1289 Pinole Valley Rd, Pinole, CA 94564 · Contra Costa CountyPhone(510) 724-1768

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

Ka Yee So is affiliated with 2 sites of care and 1 medical group

Ka Yee So's primary practice is East Bay Ophthalmology in Pinole, California. Dmand AI also links Ka Yee So to 1 group practice or clinic and 1 medical group, each named with a free account.

See all 3 affiliations for Ka Yee So

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

Dmand AI tracks the EHR system at Ka Yee So's practice

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

EHR by site
SiteEHR vendor and product
East Bay OphthalmologyAvailable 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 Ka Yee So 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.

Ka Yee So is one of 7,206 optometrists in California

Optometrist is Ka Yee So's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Ka Yee So is licensed in California.

Specialties and state licenses

  • Optometrist, CaliforniaPrimaryLicense 33775TLG · taxonomy 152W00000X

Optometrists near Ka Yee So

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

7,206optometrists in California
4optometrists in Pinole

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

Ka Yee So treated 581 Medicare patients in 2024, average age 75

CMS counts 581 Medicare patients who saw Ka Yee So in 2024. The largest group is 65 to 74, with 237 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Ka Yee So's median patient age at 75, with 42% women.

Medicare patients, 2024581
Average age75
Average risk score1.20
Also on Medicaid31%

Ka Yee So's Medicare patients by age, 2024

Ka Yee So's Medicare patients by sex, 2024

  • Women36563%
  • Men21637%

Chronic conditions among Ka Yee So's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes45%
  4. Arthritis34%
  5. Chronic kidney disease27%
  6. Ischemic heart disease16%
  7. Mood disorders15%
  8. Atrial fibrillation14%

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

Ka Yee So's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women42%
  • Men45%

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

Ka Yee So wrote 705 Medicare Part D claims in 2024

In 2024, Ka Yee So wrote 705 Medicare Part D claims for 223 patients. 66% of them were for generic drugs.

Part D claims, 2024705
Part D patients223

Ka Yee So's Part D claims by kind of drug, 2024

  • Generic467 claims66%
  • Brand-name238 claims34%

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

Ka Yee So scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Ka Yee So for performance year 2024, reported as part of a group. Ka Yee So accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Ka Yee So's MIPS scores, performance year 2024

  • 94of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities
  • 74of 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 Ka Yee So 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.

Ka Yee So received $42 in industry payments in 2025

CMS Open Payments shows 2 general payments to Ka Yee So from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $28.

Companies that paid Ka Yee So the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Ka Yee So

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

Ka Yee So graduated from University of California - School of Optometry

Ka Yee So graduated from University of California - School of Optometry in 2017.

  1. Medical schoolUniversity of California - School of Optometry

Source: Dmand AI Professional Profile Data

Sources for Ka Yee So'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 Ka Yee So

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

What is Ka Yee So's NPI number?

Ka Yee So's NPI number is 1770008609. It was assigned on August 11, 2017, and it is active in the NPI Registry.

What does Ka Yee So specialize in?

Ka Yee So is an optometrist in Pinole, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Ka Yee So practice?

Ka Yee So practices at 1289 Pinole Valley Rd, Pinole, CA 94564. Ka Yee So's primary practice is East Bay Ophthalmology in Pinole, California. Dmand AI also links Ka Yee So to 1 group practice or clinic and 1 medical group.

What is Ka Yee So's office phone number?

The practice phone on file for Ka Yee So is (510) 724-1768.

What is Ka Yee So's medical license number?

Ka Yee So holds California license 33775TLG.

Does Ka Yee So accept Medicare?

Yes. CMS lists Ka Yee So as accepting Medicare assignment.

What is Ka Yee So's MIPS score?

Ka Yee So's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.

How many Medicare patients does Ka Yee So see?

CMS counts 581 Medicare patients who saw Ka Yee So in 2024, with an average age of 75.

Where did Ka Yee So go to medical school?

Ka Yee So graduated from University of California - School of Optometry in 2017.

Has Ka Yee So received payments from drug or device companies?

CMS Open Payments shows $42 in general payments to Ka Yee So from 2 companies from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.

How long has Ka Yee So been practicing?

Ka Yee So graduated from medical school in 2017, 9 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)