Stephen Yang, MD, DDS
NPI 1225775299 · Oral & Maxillofacial Surgery (D.M.D.) · San Francisco, CA
Stephen Yang, MD, DDS is a Oral & Maxillofacial Surgery (D.M.D.) provider in San Francisco, CA (NPI 1225775299).
Provider details
- NPI number
- 1225775299
- Entity type
- Individual
- Primary specialty
- Oral & Maxillofacial Surgery (D.M.D.)Allopathic & Osteopathic Physicians
- Credential
- MD, DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 109690 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
$583 across 2 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
Registry dates
- Enumerated
- 2022-05-19
- Last updated
- 2025-08-27
- Certified
- 2025-08-27
Frequently asked questions
- What is Stephen Yang's NPI number?
- Stephen Yang's National Provider Identifier (NPI) is 1225775299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Yang's specialty?
- Stephen Yang is listed in the NPPES registry with a primary specialty of Oral & Maxillofacial Surgery (D.M.D.) (Allopathic & Osteopathic Physicians).
- Where is Stephen Yang located?
- Stephen Yang's practice location on file with NPPES is 521 Parnassus Ave # 440, San Francisco, CA 94143-2206.
- What is Stephen Yang's phone number?
- The practice phone number listed in the NPPES registry for Stephen Yang is (415) 476-3242.
- Is Stephen Yang's NPI active?
- Yes — Stephen Yang's NPI (1225775299) is active in the NPPES registry as of the last update on 2025-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.