Andrei Ionescu, M.D.
NPI 1689604589 · Internal Medicine Physician · Olympia, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrei Ionescu, M.D. is a Internal Medicine Physician provider in Olympia, WA (NPI 1689604589).
Provider details
- NPI number
- 1689604589
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 00040987 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
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
- 2006-07-04
- Last updated
- 2023-03-07
- Certified
- 2022-08-27
Frequently asked questions
- What is Andrei Ionescu's NPI number?
- Andrei Ionescu's National Provider Identifier (NPI) is 1689604589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrei Ionescu's specialty?
- Andrei Ionescu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrei Ionescu located?
- Andrei Ionescu's practice location on file with NPPES is 700 Lilly Rd Ne, Olympia, WA 98506-5115.
- What is Andrei Ionescu's phone number?
- The practice phone number listed in the NPPES registry for Andrei Ionescu is (360) 923-7000.
- Does Andrei Ionescu accept Medicare?
- Andrei Ionescu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrei Ionescu's NPI active?
- Yes — Andrei Ionescu's NPI (1689604589) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.