Jeffrey Yao, MD
NPI 1699821942 · Orthopaedic Hand Surgery Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Hand Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Yao, MD is a Orthopaedic Hand Surgery Physician provider in Redwood City, CA (NPI 1699821942).
Provider details
- NPI number
- 1699821942
- Entity type
- Individual
- Primary specialty
- Orthopaedic Hand Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A91838 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,251 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 362 | $111 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 328 | $19 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 138 | $151 |
| Injection Into Tendon Or Ligament20550 | 68 | $40 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 61 | $203 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50,706 across 42 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
- 2007-01-26
- Last updated
- 2024-04-27
- Certified
- 2024-04-27
Frequently asked questions
- What is Jeffrey Yao's NPI number?
- Jeffrey Yao's National Provider Identifier (NPI) is 1699821942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Yao's specialty?
- Jeffrey Yao is listed in the NPPES registry with a primary specialty of Orthopaedic Hand Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Yao located?
- Jeffrey Yao's practice location on file with NPPES is 450 Broadway St, Redwood City, CA 94063-3132.
- What is Jeffrey Yao's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Yao is (650) 721-7618.
- Does Jeffrey Yao accept Medicare?
- Jeffrey Yao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Yao's NPI active?
- Yes — Jeffrey Yao's NPI (1699821942) is active in the NPPES registry as of the last update on 2024-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.