Ida Leong, M.D.
General Practice Physician · Santa Cruz, CA
Ida Leong, M.D. is a general practice physician with a practice address in Santa Cruz, California, and NPI 1447243365, issued on Aug 25, 2005. Check the license (California C38441, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ida Leong
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- C38441 CA
Self-reported in NPPES; status is on the state search - Practice location
- 320 River St, Santa Cruz, CA 95060
- Phone
- (831) 272-4324
- Enumerated
- Aug 25, 2005
- Entity
- Type 1 · individual
Also registered at 320 River St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ida Leong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C38441Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
95% fewer Medicare Part D claims than the average general practice physician in 2024
160 Medicare Part D claims for 22 beneficiaries, against an average of 2,957 among the 8,605 providers of this specialty who prescribed in Part D.
Most prescribed
- Rybelsus12 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.
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Common questions
What is Ida Leong, M.D.'s NPI number?
Ida Leong, M.D.'s National Provider Identifier (NPI) is 1447243365, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ida Leong, M.D. located?
The NPPES record lists a practice address at 320 River St, Santa Cruz, CA, 95060. Phone: (831) 272-4324. Providers update this record themselves, so call before visiting.
How can I verify Ida Leong, M.D.'s license?
NPPES lists California license number C38441, 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 Ida Leong, M.D. prescribe under Medicare Part D?
In 2024, Ida Leong, M.D. had 160 Medicare Part D claims for 22 beneficiaries; the average among general practice physician prescribers was 2,957. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.