Grace Tseng, OD
- Medicare patients, 2024
- 87
- Part D claims, 2024
- 47
- Industry payments
- $466
- Affiliated sites
- 3
- Medical groups
- 3
- Practice address
- 1010 W Fremont Ave, Sunnyvale, CA 94087
- Practice phone
- Call (408) 739-6200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Silicon Valley Eye Physicians
Eye care practice · Sunnyvale, California
Find Grace Tseng'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.
Grace Tseng is an optometrist in Sunnyvale, California
Grace Tseng practices at Silicon Valley Eye Physicians in Sunnyvale, California.
Grace Tseng's NPI, 1780208330, was assigned on May 29, 2020. Grace Tseng graduated from New England College of Optometry in 2020. Grace Tseng holds California license 34634.
- NPI
- 1780208330NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204247968
- NPI enumeration date
- May 29, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 739-6200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Grace Tseng practices at Silicon Valley Eye Physicians in Sunnyvale, California
Grace Tseng's primary practice is Silicon Valley Eye Physicians, at 1010 W Fremont Ave, Sunnyvale, CA 94087. The practice phone is (408) 739-6200.
- Silicon Valley Eye Physicians1010 W Fremont Ave, Sunnyvale, CA 94087Phone(408) 739-6200
Source: Dmand AI Affiliation Data
Grace Tseng is affiliated with 3 sites of care and 3 medical groups
Grace Tseng's primary practice is Silicon Valley Eye Physicians in Sunnyvale, California. Dmand AI also links Grace Tseng to 3 medical groups and 2 group practices and clinics, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Grace Tseng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Grace Tseng practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Silicon Valley Eye Physicians | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Grace Tseng is one of 7,206 optometrists in California
Optometrist is Grace Tseng's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Grace Tseng is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Grace Tseng
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
Grace Tseng treated 87 Medicare patients in 2024, average age 76
CMS counts 87 Medicare patients who saw Grace Tseng in 2024. The largest group is 65 to 74, with 46 patients. 70% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Grace Tseng's median patient age at 54, with 55% women.
Grace Tseng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Grace Tseng's Medicare patients by sex, 2024
- Women5867%
- Men2933%
Chronic conditions among Grace Tseng's Medicare patients, 2024
- High cholesterol70%
- High blood pressure66%
- Arthritis34%
- Osteoporosis26%
- Diabetes22%
- Ischemic heart disease22%
- Anxiety13%
- Cancer13%
Share of Medicare patients with each condition. A patient can have several.
Grace Tseng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Grace Tseng wrote 47 Medicare Part D claims in 2024
In 2024, Grace Tseng wrote 47 Medicare Part D claims for 18 patients. 30% of them were for generic drugs.
Grace Tseng's Part D claims by kind of drug, 2024
- Generic14 claims30%
- Brand-name33 claims70%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Grace Tseng takes part in Medicare
Grace Tseng accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Grace Tseng received $466 in industry payments in 2025
CMS Open Payments shows 16 general payments to Grace Tseng from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Tarsus Pharmaceuticals, Inc. paid the most, $279.
Companies that paid Grace Tseng the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Grace Tseng graduated from New England College of Optometry
Grace Tseng graduated from New England College of Optometry in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Grace Tseng's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Grace Tseng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Grace Tseng's NPI number?
Grace Tseng's NPI number is 1780208330. It was assigned on May 29, 2020, and it is active in the NPI Registry.
What does Grace Tseng specialize in?
Grace Tseng is an optometrist in Sunnyvale, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Grace Tseng practice?
Grace Tseng practices at 1010 W Fremont Ave, Sunnyvale, CA 94087. Grace Tseng's primary practice is Silicon Valley Eye Physicians in Sunnyvale, California. Dmand AI also links Grace Tseng to 3 medical groups and 2 group practices and clinics.
What is Grace Tseng's office phone number?
The practice phone on file for Grace Tseng is (408) 739-6200.
What is Grace Tseng's medical license number?
Grace Tseng holds California license 34634.
Does Grace Tseng accept Medicare?
Yes. CMS lists Grace Tseng as accepting Medicare assignment.
How many Medicare patients does Grace Tseng see?
CMS counts 87 Medicare patients who saw Grace Tseng in 2024, with an average age of 76.
Where did Grace Tseng go to medical school?
Grace Tseng graduated from New England College of Optometry in 2020.
Has Grace Tseng received payments from drug or device companies?
CMS Open Payments shows $466 in general payments to Grace Tseng from 5 companies from 2025 to 2025. The largest total came from Tarsus Pharmaceuticals, Inc.
How long has Grace Tseng been practicing?
Grace Tseng graduated from medical school in 2020, 6 years ago.
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