Serban I. Ionescu, MD
Internal Medicine Physician · Medical Lake, WA
Serban I. Ionescu, MD is an internal medicine physician with a practice address in Medical Lake, Washington, and NPI 1992771406, issued on Feb 24, 2006. Check the license (Washington MD60196034, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Serban I. Ionescu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD60196034 WA
Self-reported in NPPES; status is on the state search - Practice location
- 725 N Stanley St Ste D, Medical Lake, WA 99022
- Phone
- (509) 838-2531
- Enumerated
- Feb 24, 2006
- Record last updated
- Feb 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 0031096 MT
- Medicare enrollment
- Enrolled (PECOS I20110309001021); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 725 N Stanley St Ste D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cassandra DubbelsFamily Nurse Practitioner1992260699
- Dyston Madsen, DPTPhysical Therapist1275086811
Verify Serban I. Ionescu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60196034Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,058 Medicare Part D claims for 474 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 858 claims were for opioids.
Most prescribed
- Atorvastatin Calcium595 claims
- Hydrocodone-Acetaminophen468 claims
- Levothyroxine Sodium342 claims
- Lisinopril317 claims
- Omeprazole295 claims
- Amlodipine Besylate218 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.
Industry payments in 2024: $145.35
2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Multicare Health SystemCheney, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Serban I. Ionescu among 3,079 internal medicine physician records in Washington
Serban I. Ionescu, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2006 among the 1,852 with a school on file
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Washington
There are 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Medical Lake → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mai Pham, D.OFairchild Air Force Base, WA 990111053551499
- Lora Jasman, M.D.Deer Park, WA 990061821197740
- Michelle Signs, DODeer Park, WA 990061821381336
- Aaron Anderson, D.O.Toppenish, WA 989481003057381
- Vlastimil CalayanToppenish, WA 989481073757118
- Kathleen Davis, M.D.Toppenish, WA 989481205042108
- Mark FarleyToppenish, WA 989481164518353
- Stephanie HansenToppenish, WA 989481649229931
Common questions
What is Serban I. Ionescu, MD's NPI number?
Serban I. Ionescu, MD's National Provider Identifier (NPI) is 1992771406, issued on Feb 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Serban I. Ionescu, MD located?
The NPPES record lists a practice address at 725 N Stanley St Ste D, Medical Lake, WA, 99022. Phone: (509) 838-2531. Providers update this record themselves, so call before visiting.
How can I verify Serban I. Ionescu, MD's license?
NPPES lists Washington license number MD60196034, 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 Serban I. Ionescu, MD prescribe under Medicare Part D?
In 2024, Serban I. Ionescu, MD had 9,058 Medicare Part D claims for 474 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.