Viviana Teodora Ionescu-Tiba, MD
Family Medicine Physician · Northridge, CA
Viviana Teodora Ionescu-Tiba, MD is a family medicine physician with a practice address in Northridge, California, and NPI 1588737720, issued on Nov 16, 2006. Check the license (California A99311, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Viviana Teodora Ionescu-Tiba
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A99311 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18460 Roscoe Blvd, Northridge, CA 91325
- Phone
- (818) 734-3600
- Enumerated
- Nov 16, 2006
- Record last updated
- Nov 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 00A993110 CA
- Medicare enrollment
- Enrolled (PECOS I20111018000082); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 18460 Roscoe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Dickens, N.P.Women's Health Nurse Practitioner1821085374
Verify Viviana Teodora Ionescu-Tiba in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A99311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average family medicine physician in 2024
2,324 Medicare Part D claims for 240 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium205 claims
- Losartan Potassium116 claims
- Lisinopril103 claims
- Levothyroxine Sodium97 claims
- Amlodipine Besylate86 claims
- Metformin Hcl76 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.
Bills Medicare through one group practice
- Providence Facey Medical FoundationMission Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Viviana Teodora Ionescu-Tiba among 17,133 family medicine physician records in California
Viviana Teodora Ionescu-Tiba, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1988 · median 2005 among the 10,652 with a school on file
- Record last updated2016 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 family medicine physician records list a practice address in Northridge
They are 55 of the 2,598 NPPES records with a practice address in Northridge, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Northridge → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kathy Cairo, M.D.Northridge, CA 913251699878900
- Fausto Cordero, MDNorthridge, CA 913251124052477
- Pamela Davis, MDNorthridge, CA 913251386652196
- Elizabeth Eddy-Bertrand, MDNorthridge, CA 913251669573218
- Susan Hopkins, MDNorthridge, CA 913251700987369
- Christopher Kuhlman, MDNorthridge, CA 913251629170006
- Hwe-Seung Lee, MDNorthridge, CA 913251083717391
- Diana Lev, M.D.Northridge, CA 913251932129186
Common questions
What is Viviana Teodora Ionescu-Tiba, MD's NPI number?
Viviana Teodora Ionescu-Tiba, MD's National Provider Identifier (NPI) is 1588737720, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Viviana Teodora Ionescu-Tiba, MD located?
The NPPES record lists a practice address at 18460 Roscoe Blvd, Northridge, CA, 91325. Phone: (818) 734-3600. Providers update this record themselves, so call before visiting.
How can I verify Viviana Teodora Ionescu-Tiba, MD's license?
NPPES lists California license number A99311, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Viviana Teodora Ionescu-Tiba, MD prescribe under Medicare Part D?
In 2024, Viviana Teodora Ionescu-Tiba, MD had 2,324 Medicare Part D claims for 240 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.