Kalei Richard James Hosaka, MD
Internal Medicine Physician · Santa Monica, CA
Kalei Richard James Hosaka, MD is an internal medicine physician with a practice address in Santa Monica, California, and NPI 1124778329, issued on Mar 28, 2022. Check the license (California A188675, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kalei Richard James Hosaka
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A188675 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 16TH St Ste 125, Santa Monica, CA 90404
- Phone
- (310) 315-8900
- Enumerated
- Mar 28, 2022
- Record last updated
- Aug 3, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1245 16TH St Ste 125
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kalei Richard James Hosaka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A188675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
12 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
Kalei Richard James Hosaka among 17,696 internal medicine physician records in California
Kalei Richard James Hosaka, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 internal medicine physician records list a practice address in Santa Monica
They are 168 of the 5,151 NPPES records with a practice address in Santa Monica, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Monica → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Ashley, MDSanta Monica, CA 904041780628487
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- Chiquita Flowers, M.D.Santa Monica, CA 904041972595700
- Glenn Gorlitsky, M.D.Santa Monica, CA 904041881625143
- Oscar Hernandez, M.D.Santa Monica, CA 904041699706952
- Mark McGowan, MDSanta Monica, CA 904041720015902
- Alex Messina, MDSanta Monica, CA 904041902867823
- Mark Nachman, MDSanta Monica, CA 904041104803683
Common questions
What is Kalei Richard James Hosaka, MD's NPI number?
Kalei Richard James Hosaka, MD's National Provider Identifier (NPI) is 1124778329, issued on Mar 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Kalei Richard James Hosaka, MD located?
The NPPES record lists a practice address at 1245 16TH St Ste 125, Santa Monica, CA, 90404. Phone: (310) 315-8900. Providers update this record themselves, so call before visiting.
How can I verify Kalei Richard James Hosaka, MD's license?
NPPES lists California license number A188675, 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 Kalei Richard James Hosaka, MD prescribe under Medicare Part D?
In 2024, Kalei Richard James Hosaka, MD had 12 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.