Ioana Diaconu, MD
NPI 1679515142 · Geriatric Psychiatry Physician · Kirkland, WA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ioana Diaconu, MD is a Geriatric Psychiatry Physician provider in Kirkland, WA (NPI 1679515142).
Provider details
- NPI number
- 1679515142
- Entity type
- Individual
- Primary specialty
- Geriatric Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD00041900 (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
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Aripiprazole | 48 | 13 |
| Lamotrigine | 33 | — |
| Duloxetine Hcl | 23 | — |
| Olanzapine | 15 | — |
| Buspirone Hcl | 14 | — |
| Escitalopram Oxalate | 14 | — |
| Bupropion Hclbrand: Bupropion Xl | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-11
- Last updated
- 2017-01-18
Frequently asked questions
- What is Ioana Diaconu's NPI number?
- Ioana Diaconu's National Provider Identifier (NPI) is 1679515142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ioana Diaconu's specialty?
- Ioana Diaconu is listed in the NPPES registry with a primary specialty of Geriatric Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ioana Diaconu located?
- Ioana Diaconu's practice location on file with NPPES is 620 Kirkland Way, Kirkland, WA 98033-6021.
- What is Ioana Diaconu's phone number?
- The practice phone number listed in the NPPES registry for Ioana Diaconu is (425) 889-5045.
- Does Ioana Diaconu accept Medicare?
- Ioana Diaconu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ioana Diaconu's NPI active?
- Yes — Ioana Diaconu's NPI (1679515142) is active in the NPPES registry as of the last update on 2017-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.