Janel Tamiko Yoshida, MD
Obstetrics & Gynecology Physician · Santa Ana, CA
Janel Tamiko Yoshida, MD is an obstetrics & gynecology physician with a practice address in Santa Ana, California, and NPI 1538112826, issued on May 18, 2006. Check the license (California A105516, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janel Tamiko Yoshida
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A105516 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3401 S Harbor Blvd, Santa Ana, CA 92704
- Phone
- (714) 830-6500
- Enumerated
- May 18, 2006
- Record last updated
- Dec 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111004000469); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 3401 S Harbor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Janel Tamiko Yoshida in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
61 Medicare Part D claims for 24 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol26 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
- Southern California Permanente Medical GroupSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janel Tamiko Yoshida among 5,088 obstetrics & gynecology physician records in California
Janel Tamiko Yoshida, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2003 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Santa Ana → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Emad Hashemi, M.D.Santa Ana, CA 927041568492759
- Hubert Jeng, M.DSanta Ana, CA 927041134182850
- George Kallins, M.D.Santa Ana, CA 927041578756581
- Jenny Lee, M.D.Santa Ana, CA 927041801057278
- Jaime Ludmir, M.DSanta Ana, CA 927041265539712
- Van Nguyen, DOSanta Ana, CA 927041205845237
- Diemchi Nguyenphuc, MDSanta Ana, CA 927041629104930
- Sing Tung, MDSanta Ana, CA 927041619913720
Common questions
What is Janel Tamiko Yoshida, MD's NPI number?
Janel Tamiko Yoshida, MD's National Provider Identifier (NPI) is 1538112826, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janel Tamiko Yoshida, MD located?
The NPPES record lists a practice address at 3401 S Harbor Blvd, Santa Ana, CA, 92704. Phone: (714) 830-6500. Providers update this record themselves, so call before visiting.
How can I verify Janel Tamiko Yoshida, MD's license?
NPPES lists California license number A105516, 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 Janel Tamiko Yoshida, MD prescribe under Medicare Part D?
In 2024, Janel Tamiko Yoshida, MD had 61 Medicare Part D claims for 24 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.