Caitlin Harrington, MD
NPI 1235636143 · Internal Medicine Physician · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caitlin Harrington, MD is a Internal Medicine Physician provider in Seattle, WA (NPI 1235636143).
Provider details
- NPI number
- 1235636143
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD.61073929 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2018-04-07
- Last updated
- 2021-07-27
- Certified
- 2021-06-30
Frequently asked questions
- What is Caitlin Harrington's NPI number?
- Caitlin Harrington's National Provider Identifier (NPI) is 1235636143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin Harrington's specialty?
- Caitlin Harrington is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Caitlin Harrington located?
- Caitlin Harrington's practice location on file with NPPES is Va Puget Sound, Seattle, WA 98108-1597.
- What is Caitlin Harrington's phone number?
- The practice phone number listed in the NPPES registry for Caitlin Harrington is (617) 823-5866.
- Does Caitlin Harrington accept Medicare?
- Caitlin Harrington is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caitlin Harrington's NPI active?
- Yes — Caitlin Harrington's NPI (1235636143) is active in the NPPES registry as of the last update on 2021-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.