Anna Yi, DDS
- Part D claims, 2024
- 39
- Industry payments
- $19
- Affiliated sites
- 2
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 365 Lennon Lane, Suite 100, Walnut Creek, CA 94598
- Practice phone
- Call (925) 939-4600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Walnut Creek Endoscopy Center
Surgery Center - Medicare-Certified · Walnut Creek, California
Find Anna Yi'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.
Anna Yi is a general practice dentistry in Walnut Creek, California
Anna Yi practices at Walnut Creek Endoscopy Center in Walnut Creek, California.
Anna Yi's NPI, 1396867669, was assigned on April 5, 2007. Anna Yi holds California license 52958.
- NPI
- 1396867669NPI Registry (opens in a new tab)
- NPI enumeration date
- April 5, 2007
- NPI status
- Active
- Practice phone
- (925) 939-4600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Anna Yi practices at Walnut Creek Endoscopy Center in Walnut Creek, California
Anna Yi's primary practice is Walnut Creek Endoscopy Center, at 365 Lennon Lane, Suite 100, Walnut Creek, CA 94598. The practice phone is (925) 939-4600.
- Walnut Creek Endoscopy Center365 Lennon Lane, Suite 100, Walnut Creek, CA 94598Phone(925) 939-4600
Source: Dmand AI Affiliation Data
Anna Yi is affiliated with 2 sites of care
Anna Yi's primary practice is Walnut Creek Endoscopy Center in Walnut Creek, California. Dmand AI also links Anna Yi to 1 dialysis center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Anna Yi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Anna Yi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Walnut Creek Endoscopy Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Anna Yi is one of 7,627 general practice dentistrys in California
General practice is Anna Yi's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Anna Yi is licensed in California.
Specialties and state licenses
- General practice dentistry, CaliforniaPrimary
General practice dentistrys near Anna Yi
Counts of general practice dentistrys 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
Anna Yi's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts Anna Yi's median patient age at 45, with 0% women.
Anna Yi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Anna Yi wrote 39 Medicare Part D claims in 2024
In 2024, Anna Yi wrote 39 Medicare Part D claims for 20 patients. 54% of them were for generic drugs.
Anna Yi's Part D claims by kind of drug, 2024
- Generic21 claims54%
- Other18 claims46%
Drug classes CMS tracks in Anna Yi's Part D claims, 2024
- Antibiotics49%19 of 39 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Anna Yi received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Anna Yi from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Solventum Corporation paid the most, $19.
Companies that paid Anna Yi 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 Anna Yi'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Anna Yi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Anna Yi's NPI number?
Anna Yi's NPI number is 1396867669. It was assigned on April 5, 2007, and it is active in the NPI Registry.
What does Anna Yi specialize in?
Anna Yi is a general practice dentistry in Walnut Creek, California. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Anna Yi practice?
Anna Yi practices at 365 Lennon Lane, Suite 100, Walnut Creek, CA 94598. Anna Yi's primary practice is Walnut Creek Endoscopy Center in Walnut Creek, California. Dmand AI also links Anna Yi to 1 dialysis center.
What is Anna Yi's office phone number?
The practice phone on file for Anna Yi is (925) 939-4600.
What is Anna Yi's medical license number?
Anna Yi holds California license 52958.
Has Anna Yi received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Anna Yi from 1 company from 2025 to 2025. The largest total came from Solventum Corporation.
How long has Anna Yi been practicing?
Anna Yi's NPI was assigned in 2007.
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