Margaret Chapman, M.D.
NPI 1306009980 · Neuroradiology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1306009980
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 264830 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
5,132 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) |
|---|---|---|
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 1,094 | $108 |
| Mri Scan of Brain Without Contrast70551 | 867 | $110 |
| Mri Scan of Brain Before and After Contrast70553 | 534 | $177 |
| Mri Scan of Upper Spinal Canal Without Contrast72141 | 530 | $96 |
| Ct Scan Head Or Brain Without Contrast70450 | 307 | $58 |
| Mri Scan of Blood Vessels of Head Without Contrast70544 | 253 |
Practice location
Mailing address
Additional practice locations (3)
- 88 E Newton StBoston, MA 02118-2308Phone: (617) 638-6610Fax: (617) 638-6616
- 840 Harrison AveBoston, MA 02118-2905Phone: (617) 638-6610Fax: (617) 638-6616
- 840 Harrison AveBoston, MA 02118-2905Phone: (617) 638-6610Fax: (617) 638-6616
Registry dates
- Enumerated
- 2008-07-03
- Last updated
- 2023-09-18
- Certified
- 2023-09-18
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.