Tengis Riznis, MD
Family Medicine Physician · Irvine, CA
Tengis Riznis, MD is a family medicine physician with a practice address in Irvine, California, and NPI 1821155326, issued on Jan 3, 2007. Check the license (California A86212, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tengis Riznis
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A86212 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11 Technology Dr, Irvine, CA 92618
- Phone
- (949) 923-3200
- Enumerated
- Jan 3, 2007
- Record last updated
- Nov 25, 2025
- Fax
- (949) 923-3550
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 11 Technology Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Teresa Agner, MDInternal Medicine Physician1013087410
- Ali Ahoui, MDHospitalist Physician1093964769
- Nidal Al Hannat, M.D.Internal Medicine Physician1235335563
- Richard AppelInternal Medicine Physician1336225044
- Juan Cabrera, M.D.Internal Medicine Physician1447254792
- Houman Danesh, M.D.Internal Medicine Physician1205027802
Verify Tengis Riznis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
392 Medicare Part D claims for 191 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Methylprednisolone30 claims
- Amoxicillin-Clavulanate Potass22 claims
- Pantoprazole Sodium22 claims
- Albuterol Sulfate Hfa20 claims
- Levofloxacin19 claims
- Metoprolol Tartrate18 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.
Tengis Riznis among 17,133 family medicine physician records in California
Tengis Riznis, 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2025 · 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).
148 family medicine physician records list a practice address in Irvine
They are 148 of the 7,778 NPPES records with a practice address in Irvine, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Irvine → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Albert Chang, M.D.Irvine, CA 926181790755569
- Anh Dinh, MDIrvine, CA 926181790775971
- Firoozeh Jahroumi, M.D.Irvine, CA 926181053310946
- Suzanne Kim, MDIrvine, CA 926181295795508
- Ronald Lee, MDIrvine, CA 926181417954306
- Thuy Nguyen, D.O.Irvine, CA 926181386688471
- Alan Nili, D.O.Irvine, CA 926181356366835
- Bradley Noon, M.D.Irvine, CA 926181740209014
Common questions
What is Tengis Riznis, MD's NPI number?
Tengis Riznis, MD's National Provider Identifier (NPI) is 1821155326, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tengis Riznis, MD located?
The NPPES record lists a practice address at 11 Technology Dr, Irvine, CA, 92618. Phone: (949) 923-3200. Providers update this record themselves, so call before visiting.
How can I verify Tengis Riznis, MD's license?
NPPES lists California license number A86212, 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 Tengis Riznis, MD prescribe under Medicare Part D?
In 2024, Tengis Riznis, MD had 392 Medicare Part D claims for 191 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.