Casey Grun, MD
NPI 1720881220 · Student in an Organized Health Care Education/Training Program · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Casey Grun, MD is a Student in an Organized Health Care Education/Training Program provider in Seattle, WA (NPI 1720881220).
Provider details
- NPI number
- 1720881220
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-03-31
- Last updated
- 2025-03-31
- Certified
- 2025-03-30
Frequently asked questions
- What is Casey Grun's NPI number?
- Casey Grun's National Provider Identifier (NPI) is 1720881220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Casey Grun's specialty?
- Casey Grun is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Casey Grun located?
- Casey Grun's practice location on file with NPPES is 1959 Ne Pacific Street Box : 356421, Seattle, WA 98195-0001.
- What is Casey Grun's phone number?
- The practice phone number listed in the NPPES registry for Casey Grun is (206) 543-3605.
- Does Casey Grun accept Medicare?
- Casey Grun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Casey Grun's NPI active?
- Yes — Casey Grun's NPI (1720881220) is active in the NPPES registry as of the last update on 2025-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.