Nabil Koudsi, MD
Surgery Physician · Upland, CA
Nabil Koudsi, MD is a surgery physician with a practice address in Upland, California, and NPI 1750411070, issued on Mar 6, 2007. Check the license (California A33797, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nabil Koudsi
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A33797 CA
Self-reported in NPPES; status is on the state search - Practice location
- 811 East 11TH St, Upland, CA 91786
- Phone
- (909) 981-3411
- Enumerated
- Mar 6, 2007
- Record last updated
- Jul 22, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (909) 946-7740
- Medicaid ID
- 00A337970 CA
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Verify Nabil Koudsi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A33797Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average surgery physician in 2024
18 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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.
Nabil Koudsi among 3,118 surgery physician records in California
Nabil Koudsi, 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 42% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2010 · 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
- Irene Houari, MDUpland, CA 917861104060466
- Stanley Saul, D.O.Upland, CA 917861255366936
- Adam Sugihara, M.D.Upland, CA 917861316172836
- Louis Watson, MDUpland, CA 917861730280827
Common questions
What is Nabil Koudsi, MD's NPI number?
Nabil Koudsi, MD's National Provider Identifier (NPI) is 1750411070, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nabil Koudsi, MD located?
The NPPES record lists a practice address at 811 East 11TH St, Upland, CA, 91786. Phone: (909) 981-3411. Providers update this record themselves, so call before visiting.
How can I verify Nabil Koudsi, MD's license?
NPPES lists California license number A33797, 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 Nabil Koudsi, MD prescribe under Medicare Part D?
In 2024, Nabil Koudsi, MD had 18 Medicare Part D claims; 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.