Roumen Ivanov, MD
NPI 1942378021 · Internal Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roumen Ivanov, MD is a Internal Medicine Physician provider in Seattle, WA (NPI 1942378021).
Provider details
- NPI number
- 1942378021
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00041865 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 1035 116th Ave Ne Ste 117Bellevue, WA 98004-4604Phone: (425) 688-5000
- 315 Martin Luther King Jr WayTacoma, WA 98405Phone: (253) 403-1291
Registry dates
- Enumerated
- 2006-11-30
- Last updated
- 2021-04-28
- Certified
- 2021-04-28
Frequently asked questions
- What is Roumen Ivanov's NPI number?
- Roumen Ivanov's National Provider Identifier (NPI) is 1942378021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roumen Ivanov's specialty?
- Roumen Ivanov is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roumen Ivanov located?
- Roumen Ivanov's practice location on file with NPPES is 747 Broadway, Seattle, WA 98122.
- What is Roumen Ivanov's phone number?
- The practice phone number listed in the NPPES registry for Roumen Ivanov is (206) 215-2520.
- Does Roumen Ivanov accept Medicare?
- Roumen Ivanov is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roumen Ivanov's NPI active?
- Yes — Roumen Ivanov's NPI (1942378021) is active in the NPPES registry as of the last update on 2021-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.