Cindy Hsiao Threlkeld, OD
- Industry payments
- $111
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2009
- Practice address
- 2307 Birch St, Palo Alto, CA 94306-1602
- Practice phone
- Call (650) 323-6772
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cambridge Optometry Partners
Eye care practice · Palo Alto, California
Find Cindy Threlkeld'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.
Cindy Hsiao Threlkeld is an optometrist in Palo Alto, California
Cindy Threlkeld practices at Cambridge Optometry Partners in Palo Alto, California.
Cindy Threlkeld's NPI, 1407093834, was assigned on January 7, 2009. Cindy Threlkeld holds California license 11147T.
- NPI
- 1407093834NPI Registry (opens in a new tab)
- NPI enumeration date
- January 7, 2009
- NPI status
- Active
- Practice phone
- (650) 323-6772
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Cindy Hsiao Threlkeld practices at 2 locations in Palo Alto, California
Cindy Threlkeld's primary practice is Cambridge Optometry Partners, at 2307 Birch St, Palo Alto, CA 94306-1602. The practice phone is (650) 323-6772. The NPI Registry lists Cindy Threlkeld's practice address as 250 Cambridge Ave, Palo Alto, CA 94306.
- Cambridge Optometry PartnersPrimary2307 Birch St, Palo Alto, CA 94306-1602Phone(650) 323-6772
- NPI Registry address250 Cambridge Ave, Palo Alto, CA 94306Phone(650) 323-6772
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Cindy Hsiao Threlkeld is affiliated with 1 site of care and 1 medical group
Cindy Threlkeld's primary practice is Cambridge Optometry Partners in Palo Alto, California. Dmand AI also links Cindy Threlkeld to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Cindy Hsiao Threlkeld's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cindy Threlkeld practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cambridge Optometry Partners | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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.
Cindy Hsiao Threlkeld is one of 7,206 optometrists in California
Optometrist is Cindy Threlkeld's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Cindy Threlkeld is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Cindy Threlkeld
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
Cindy Hsiao Threlkeld received $111 in industry payments in 2025
CMS Open Payments shows 1 general payment to Cindy Threlkeld from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $111.
Companies that paid Cindy Threlkeld the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Cindy Hsiao Threlkeld'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Cindy Hsiao Threlkeld
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Cindy Hsiao Threlkeld's NPI number?
Cindy Hsiao Threlkeld's NPI number is 1407093834. It was assigned on January 7, 2009, and it is active in the NPI Registry.
What does Cindy Hsiao Threlkeld specialize in?
Cindy Hsiao Threlkeld is an optometrist in Palo Alto, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Cindy Hsiao Threlkeld practice?
Cindy Threlkeld practices at 2307 Birch St, Palo Alto, CA 94306-1602. Cindy Threlkeld also practices at 250 Cambridge Ave, Palo Alto, CA 94306. Cindy Threlkeld's primary practice is Cambridge Optometry Partners in Palo Alto, California. Dmand AI also links Cindy Threlkeld to 1 medical group.
What is Cindy Hsiao Threlkeld's office phone number?
The practice phone on file for Cindy Threlkeld is (650) 323-6772.
What is Cindy Hsiao Threlkeld's medical license number?
Cindy Threlkeld holds California license 11147T.
Has Cindy Hsiao Threlkeld received payments from drug or device companies?
CMS Open Payments shows $111 in general payments to Cindy Threlkeld from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Cindy Hsiao Threlkeld been practicing?
Cindy Threlkeld's NPI was assigned in 2009.
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