Geunwon Kim-Sun, MD/PHD
NPI 1699189688 · Diagnostic Radiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geunwon Kim-Sun, MD/PHD is a Diagnostic Radiology Physician provider in Boston, MA (NPI 1699189688).
Provider details
- NPI number
- 1699189688
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD/PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 260113 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,375 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) |
|---|---|---|
| Screening Mammography77067 | 627 | $49 |
| Screening 3d Breast Mammography77063 | 626 | $32 |
| Screening 3d Breast Mammography77063 | 550 | $29 |
| Screening Mammography77067 | 550 | $37 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 241 | $30 |
| Diagnostic Mammography of 1 Breast77065 | 172 |
Practice location
Mailing address
Additional practice locations (1)
- 680 Centre StTransitional Residency Program CoordinatorBrockton, MA 02302-3308Phone: (508) 941-7210
Registry dates
- Enumerated
- 2014-06-17
- Last updated
- 2019-07-01
Frequently asked questions
- What is Geunwon Kim-Sun's NPI number?
- Geunwon Kim-Sun's National Provider Identifier (NPI) is 1699189688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geunwon Kim-Sun's specialty?
- Geunwon Kim-Sun is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Geunwon Kim-Sun located?
- Geunwon Kim-Sun's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Geunwon Kim-Sun's phone number?
- The practice phone number listed in the NPPES registry for Geunwon Kim-Sun is (617) 627-7000.
- Does Geunwon Kim-Sun accept Medicare?
- Geunwon Kim-Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geunwon Kim-Sun's NPI active?
- Yes — Geunwon Kim-Sun's NPI (1699189688) is active in the NPPES registry as of the last update on 2019-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.