Yolanda Tseng, MD
NPI 1588892749 · Radiation Oncology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yolanda Tseng, MD is a Radiation Oncology Physician provider in Seattle, WA (NPI 1588892749).
Provider details
- NPI number
- 1588892749
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 249551 (MA)
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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
989 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 338 | $23 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 180 | $50 |
| Calculation of Radiation Therapy Dose77300 | 108 | $36 |
| Design and Construction of Complex Radiation Treatment Device77334 | 78 | $67 |
| Special Radiation Therapy Planning77331 | 43 | $51 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 38 | $214 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-26
- Last updated
- 2014-08-22
Frequently asked questions
- What is Yolanda Tseng's NPI number?
- Yolanda Tseng's National Provider Identifier (NPI) is 1588892749, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yolanda Tseng's specialty?
- Yolanda Tseng is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Yolanda Tseng located?
- Yolanda Tseng's practice location on file with NPPES is 1570 N 115th St, Seattle, WA 98133-8401.
- What is Yolanda Tseng's phone number?
- The practice phone number listed in the NPPES registry for Yolanda Tseng is (206) 306-2804.
- Does Yolanda Tseng accept Medicare?
- Yolanda Tseng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yolanda Tseng's NPI active?
- Yes — Yolanda Tseng's NPI (1588892749) is active in the NPPES registry as of the last update on 2014-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.