Erin Gillespie, MD
NPI 1699031740 · Radiation Oncology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Gillespie, MD is a Radiation Oncology Physician provider in Seattle, WA (NPI 1699031740).
Provider details
- NPI number
- 1699031740
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD61359180 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
348 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) |
|---|---|---|
| Calculation of Radiation Therapy Dose77300 | 93 | $36 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 69 | $50 |
| Design and Construction of Complex Radiation Treatment Device77334 | 51 | $67 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 30 | $213 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 24 | $199 |
| Complex Radiation Therapy Planning77263 | 21 | $186 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-03
- Last updated
- 2022-11-18
- Certified
- 2022-11-18
Frequently asked questions
- What is Erin Gillespie's NPI number?
- Erin Gillespie's National Provider Identifier (NPI) is 1699031740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Gillespie's specialty?
- Erin Gillespie is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Erin Gillespie located?
- Erin Gillespie's practice location on file with NPPES is 1959 Ne Pacific St, Seattle, WA 98195-0001.
- What is Erin Gillespie's phone number?
- The practice phone number listed in the NPPES registry for Erin Gillespie is (206) 520-5000.
- Does Erin Gillespie accept Medicare?
- Erin Gillespie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Gillespie's NPI active?
- Yes — Erin Gillespie's NPI (1699031740) is active in the NPPES registry as of the last update on 2022-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.