Robert Cassman, MD
NPI 1861458556 · Internal Medicine Physician · Seattle, WA
Robert Cassman, MD is a Internal Medicine Physician provider in Seattle, WA (NPI 1861458556).
Provider details
- NPI number
- 1861458556
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00032145 (WA)
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 tenure38% of score
20 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
- 2006-04-22
- Last updated
- 2014-01-24
Frequently asked questions
- What is Robert Cassman's NPI number?
- Robert Cassman's National Provider Identifier (NPI) is 1861458556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Cassman's specialty?
- Robert Cassman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Cassman located?
- Robert Cassman's practice location on file with NPPES is 904 7th Ave, Seattle, WA 98104-1132.
- What is Robert Cassman's phone number?
- The practice phone number listed in the NPPES registry for Robert Cassman is (206) 329-1760.
- Is Robert Cassman's NPI active?
- Yes — Robert Cassman's NPI (1861458556) is active in the NPPES registry as of the last update on 2014-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.