Grace Kwon, MD
NPI 1427210186 · Internal Medicine Physician · Newark, DE
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Kwon, MD is a Internal Medicine Physician provider in Newark, DE (NPI 1427210186).
Provider details
- NPI number
- 1427210186
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 246706 (NY)
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
18 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
239 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 78 | $168 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 67 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 42 | $115 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 21 | $48 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 20 | $111 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-25
- Last updated
- 2013-09-23
Frequently asked questions
- What is Grace Kwon's NPI number?
- Grace Kwon's National Provider Identifier (NPI) is 1427210186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Kwon's specialty?
- Grace Kwon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grace Kwon located?
- Grace Kwon's practice location on file with NPPES is 200 Hygeia Dr, Newark, DE 19713-2049.
- What is Grace Kwon's phone number?
- The practice phone number listed in the NPPES registry for Grace Kwon is (302) 623-0188.
- Does Grace Kwon accept Medicare?
- Grace Kwon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Kwon's NPI active?
- Yes — Grace Kwon's NPI (1427210186) is active in the NPPES registry as of the last update on 2013-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.