Ioana M. Diaconu, MD
Geriatric Psychiatry Physician · Kirkland, WA
Ioana M. Diaconu, MD is a geriatric psychiatry physician with a practice address in Kirkland, Washington, and NPI 1679515142, issued on Jun 11, 2006. Check the license (Washington MD00041900, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Ioana M. Diaconu
- Credential
- MD
- Primary taxonomy
- Geriatric Psychiatry Physician 2084P0805X
- License number
- MD00041900 WA
Self-reported in NPPES; status is on the state search - Practice location
- 620 Kirkland Way, Kirkland, WA 98033
- Phone
- (425) 889-5045
- Enumerated
- Jun 11, 2006
- Record last updated
- Jan 18, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 1121037 WA
- Entity
- Type 1 · individual
Also registered at 620 Kirkland Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Hood, LMPSpecialist1225303035
- Aimee Kong, DDSPediatric Dentistry1982910410
- Adewunmi Nuga, M.D.Internal Medicine Physician1689022717
- Steven Reusser, ARNP, DNPAdult Health Nurse Practitioner1003598285
- Monica Rivas, PA-CPhysician Assistant1710656855
- Kelly Rundle, LMHCMental Health Counselor1508006362
Verify Ioana M. Diaconu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00041900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average geriatric psychiatry physician in 2024
238 Medicare Part D claims for 35 beneficiaries, against an average of 1,485 among the 473 providers of this specialty who prescribed in Part D.
Most prescribed
- Aripiprazole48 claims
- Lamotrigine33 claims
- Duloxetine Hcl23 claims
- Olanzapine15 claims
- Buspirone Hcl14 claims
- Escitalopram Oxalate14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Geriatric Psychiatry Physician providers in Washington
There are 23 geriatric psychiatry physician records in Washington.
Other geriatric psychiatry physician records in Washington
- Samuel Appel, M.D.Seattle, WA1760419329
- Anna Borisovskaya, MDSeattle, WA1245343086
- Whitney Carlson, MDSeattle, WA1629154349
- Jim Chen, M.D.Bellevue, WA1295846012
- Heidi Clay, MDPuyallup, WA1043223472
- Molly Davis, M.D.Seattle, WA1437193083
- Shaune Demers, MDSeattle, WA1588770283
- David Drew, RNSeattle, WA1053188060
- Allison Gullo, M.D.Vancouver, WA1093921660
- Ruth Kohen, M.D.Seattle, WA1235223033
Common questions
What is Ioana M. Diaconu, MD's NPI number?
Ioana M. Diaconu, MD's National Provider Identifier (NPI) is 1679515142, issued on Jun 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ioana M. Diaconu, MD located?
The NPPES record lists a practice address at 620 Kirkland Way, Kirkland, WA, 98033. Phone: (425) 889-5045. Providers update this record themselves, so call before visiting.
How can I verify Ioana M. Diaconu, MD's license?
NPPES lists Washington license number MD00041900, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ioana M. Diaconu, MD prescribe under Medicare Part D?
In 2024, Ioana M. Diaconu, MD had 238 Medicare Part D claims for 35 beneficiaries; the average among geriatric psychiatry physician prescribers was 1,485. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.