Stephanie Chen, M.D.
NPI 1659766814 · Neurological Surgery Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Chen, M.D. is a Neurological Surgery Physician provider in Seattle, WA (NPI 1659766814).
Provider details
- NPI number
- 1659766814
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD61267165 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
317 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) |
|---|---|---|
| Ultrasonic Guidance for Blood Vessel Access76937 | 45 | $14 |
| Insertion of Tube Into Internal Neck Artery for Diagnosis Or Treatment With Review By Radiologist36224 | 43 | $380 |
| Insertion of Tube Into External Neck Artery for Diagnosis Or Treatment With Review By Radiologist36227 | 35 | $141 |
| Occlusion of Central Nervous System Or Spinal Cord Artery61624 | 29 | $1,069 |
| Imaging of Blood Vessel75898 | 27 | $80 |
| Insertion of Tube Into Brain Artery for Diagnosis Or Treatment With Review By Radiologist36226 | 26 | $288 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,370 across 6 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
- 2015-04-03
- Last updated
- 2022-06-08
- Certified
- 2022-06-08
Frequently asked questions
- What is Stephanie Chen's NPI number?
- Stephanie Chen's National Provider Identifier (NPI) is 1659766814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Chen's specialty?
- Stephanie Chen is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Chen located?
- Stephanie Chen's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2420.
- What is Stephanie Chen's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Chen is (206) 520-5000.
- Does Stephanie Chen accept Medicare?
- Stephanie Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Chen's NPI active?
- Yes — Stephanie Chen's NPI (1659766814) is active in the NPPES registry as of the last update on 2022-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.