Chung-Kwan Yen, DDS
NPI 1447356597 · Oral and Maxillofacial Surgery (Dentist) · Palo Alto, CA
Enrolled with Medicare as Practitioner - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chung-Kwan Yen, DDS is a Oral and Maxillofacial Surgery (Dentist) provider in Palo Alto, CA (NPI 1447356597).
Provider details
- NPI number
- 1447356597
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 32210 (CA)
Specialties & taxonomies
Dental Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$582 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 856 N Hillview DrMilpitas, CA 95035-4544Phone: (408) 945-8646Fax: (408) 945-8659
Registry dates
- Enumerated
- 2006-09-16
- Last updated
- 2024-04-29
- Certified
- 2024-04-29
Frequently asked questions
- What is Chung-Kwan Yen's NPI number?
- Chung-Kwan Yen's National Provider Identifier (NPI) is 1447356597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chung-Kwan Yen's specialty?
- Chung-Kwan Yen is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is Chung-Kwan Yen located?
- Chung-Kwan Yen's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Chung-Kwan Yen's phone number?
- The practice phone number listed in the NPPES registry for Chung-Kwan Yen is (650) 497-8000.
- Does Chung-Kwan Yen accept Medicare?
- Chung-Kwan Yen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chung-Kwan Yen's NPI active?
- Yes — Chung-Kwan Yen's NPI (1447356597) is active in the NPPES registry as of the last update on 2024-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.