Irene Bielawiec Houari, MD
Surgery Physician · Upland, CA
Irene Bielawiec Houari, MD is a surgery physician with a practice address in Upland, California, and NPI 1104060466, issued on Apr 29, 2009. Check the license (California A117875, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Irene Bielawiec Houari
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- A117875 CA
25MA08805700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 901 San Bernardino RD Suite 301, Upland, CA 91786
- Phone
- (909) 946-6221
- Enumerated
- Apr 29, 2009
- Record last updated
- Mar 1, 2022
- Fax
- (909) 949-3802
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Verify Irene Bielawiec Houari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A117875Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average surgery physician in 2024
25 Medicare Part D claims for 18 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 17 claims were for opioids.
Most prescribed
- Tramadol Hcl15 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.
Irene Bielawiec Houari among 3,118 surgery physician records in California
Irene Bielawiec Houari, MD is one of 3,118 surgery physician records with a practice address in California. 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 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Upland → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Donald Alpiner, DOUpland, CA 917861811086952
- Kenneth Baik, MDUpland, CA 917861689651135
- Bryce Beseth, M.D.Upland, CA 917861811929243
- Donna Dudziak, M.D.Upland, CA 917861275630568
- Nabil Koudsi, MDUpland, CA 917861750411070
- Stanley Saul, D.O.Upland, CA 917861255366936
- Adam Sugihara, M.D.Upland, CA 917861316172836
- Louis Watson, MDUpland, CA 917861730280827
Common questions
What is Irene Bielawiec Houari, MD's NPI number?
Irene Bielawiec Houari, MD's National Provider Identifier (NPI) is 1104060466, issued on Apr 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Irene Bielawiec Houari, MD located?
The NPPES record lists a practice address at 901 San Bernardino RD Suite 301, Upland, CA, 91786. Phone: (909) 946-6221. Providers update this record themselves, so call before visiting.
How can I verify Irene Bielawiec Houari, MD's license?
NPPES lists California license number A117875, 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 Irene Bielawiec Houari, MD prescribe under Medicare Part D?
In 2024, Irene Bielawiec Houari, MD had 25 Medicare Part D claims for 18 beneficiaries; the average among surgery physician prescribers was 147. 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.