Kimberly Marie Iwaki
Emergency Medicine Physician · Monterey Park, CA
Kimberly Marie Iwaki is an emergency medicine physician with a practice address in Monterey Park, California, and NPI 1427476266, issued on Mar 30, 2014. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kimberly Marie Iwaki
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 125065190 IL
Self-reported in NPPES; status is on the state search - Practice location
- 708 Barnum Way, Monterey Park, CA 91754
- Phone
- (626) 390-1154
- Enumerated
- Mar 30, 2014
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201019002821); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Verify Kimberly Marie Iwaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average emergency medicine physician in 2024
168 Medicare Part D claims for 110 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Famotidine11 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
- Permanente Medical Group IncAntioch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kimberly Marie Iwaki among 7,751 emergency medicine physician records in California
Kimberly Marie Iwaki is one of 7,751 emergency 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 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Monterey Park → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Connie Chan, D.O.Monterey Park, CA 917541639105745
- Li CuiMonterey Park, CA 917541093193575
- Dolores De Cruz, M.D.Monterey Park, CA 917541265469696
- Juan Jones, M.D.Monterey Park, CA 917541194964387
- John Leung, MDMonterey Park, CA 917541649214198
- Phong Ngo, MDMonterey Park, CA 917541942243449
- Jeremy Williams, M.D.Monterey Park, CA 917541023052230
- Sharon Dabby, MDOntario, CA 917611609953124
Common questions
What is Kimberly Marie Iwaki's NPI number?
Kimberly Marie Iwaki's National Provider Identifier (NPI) is 1427476266, issued on Mar 30, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Kimberly Marie Iwaki located?
The NPPES record lists a practice address at 708 Barnum Way, Monterey Park, CA, 91754. Phone: (626) 390-1154. Providers update this record themselves, so call before visiting.
How can I verify Kimberly Marie Iwaki's license?
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 Kimberly Marie Iwaki prescribe under Medicare Part D?
In 2024, Kimberly Marie Iwaki had 168 Medicare Part D claims for 110 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.