Brian Im, PA
Physician Assistant · Rancho Cucamonga, CA
Brian Im, PA is a physician assistant with a practice address in Rancho Cucamonga, California, and NPI 1700186491, issued on Oct 27, 2010. Check the license (California PA21262, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brian Im
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA21262 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6417 Haven Ave Ste 110, Rancho Cucamonga, CA 91737
- Phone
- (909) 941-2273
- Enumerated
- Oct 27, 2010
- Record last updated
- Mar 6, 2026
- Fax
- (909) 477-8830
- Medicare enrollment
- Enrolled (PECOS I20110323000660); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 6417 Haven Ave Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Henry Cho, MDFamily Medicine Physician1710484746
- Nadine Cosico, PA-CPhysician Assistant1992811749
- Truongson Nguyen, D.O.Family Medicine Physician1629517792
- Yi Zhang, M.D.Emergency Medicine Physician1164466322
Verify Brian Im in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21262Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average physician assistant in 2024
353 Medicare Part D claims for 256 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 25 claims were for opioids.
Most prescribed
- Cephalexin29 claims
- Amoxicillin-Clavulanate Potass28 claims
- Prednisone22 claims
- Azithromycin21 claims
- Naproxen21 claims
- Cefpodoxime Proxetil14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $142.04
10 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
59 physician assistant records list a practice address in Rancho Cucamonga
They are 59 of the 4,579 NPPES records with a practice address in Rancho Cucamonga, and 14,451 physician assistant records in California.
All 59 in Rancho Cucamonga → All 14,451 in California → Every provider in Rancho Cucamonga →
Other physician assistant records in California
- Marcia -Galbraith, PAStockton, CA1407143274
- Danny Abad, PAOrange, CA1477158673
- Lea Dominique Abadies, PATustin, CA1124754254
- Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
- Ramina Abbasi, PA-CSignal Hill, CA1093448300
- Ariel Abbott, PA-CStockton, CA1780334342
- Barrie Abbott, PA-CAnza, CA1861602575
- Elizabeth Abbott, PA-CSan Diego, CA1437540762
- Terri Abbott, P.A.La Jolla, CA1811165566
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
Common questions
What is Brian Im, PA's NPI number?
Brian Im, PA's National Provider Identifier (NPI) is 1700186491, issued on Oct 27, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Brian Im, PA located?
The NPPES record lists a practice address at 6417 Haven Ave Ste 110, Rancho Cucamonga, CA, 91737. Phone: (909) 941-2273. Providers update this record themselves, so call before visiting.
How can I verify Brian Im, PA's license?
NPPES lists California license number PA21262, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Brian Im, PA prescribe under Medicare Part D?
In 2024, Brian Im, PA had 353 Medicare Part D claims for 256 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Brian Im, PA's MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.