Yumi Christine Ishihara, MD
Emergency Medicine Physician · Panorama City, CA
Yumi Christine Ishihara, MD is an emergency medicine physician with a practice address in Panorama City, California, and NPI 1114151875, issued on May 11, 2009. Check the license (California A115576, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yumi Christine Ishihara
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A115576 CA
MD170863 OR
Self-reported in NPPES; status is on the state search - Practice location
- 13651 Willard St, Panorama City, CA 91402
- Phone
- (818) 375-2000
- Enumerated
- May 11, 2009
- Record last updated
- Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131004000164); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 13651 Willard St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mona Atashigolestan, AU.D.Audiologist-Hearing Aid Fitter1124620992
- Fernando BarrazaRegistered Respiratory Therapist1831674787
- Jessica Cedillo Ramirez, DNPCertified Registered Nurse Anesthetist1811700891
- Sheree Chen, M.D.Internal Medicine Physician1891140901
- Zachary DairPhysical Therapist1598477655
- Cindy GuerreroClinical Social Worker1881839165
Verify Yumi Christine Ishihara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average emergency medicine physician in 2024
340 Medicare Part D claims for 251 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 33 claims were for opioids.
Most prescribed
- Cefadroxil36 claims
- Prednisone28 claims
- Ondansetron Odt24 claims
- Azithromycin22 claims
- Hydrocodone-Acetaminophen19 claims
- Amoxicillin18 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 GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yumi Christine Ishihara among 7,751 emergency medicine physician records in California
Yumi Christine Ishihara, MD 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 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2009 · 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).
29 emergency medicine physician records list a practice address in Panorama City
They are 29 of the 1,412 NPPES records with a practice address in Panorama City, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Panorama City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brian Asalone, MDPanorama City, CA 914021780743443
- Joseph Beezy, MDPanorama City, CA 914021992872915
- Christine Bloom, MDPanorama City, CA 914021225197833
- Jerrica Chen, MDPanorama City, CA 914021679558324
- Tara Fusco, MDPanorama City, CA 914021396812244
- Amanda Garner, M.D.Panorama City, CA 914021609818780
- Molly Jancis, MDPanorama City, CA 914021619048519
- William Jou, MDPanorama City, CA 914021225109101
Common questions
What is Yumi Christine Ishihara, MD's NPI number?
Yumi Christine Ishihara, MD's National Provider Identifier (NPI) is 1114151875, issued on May 11, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Yumi Christine Ishihara, MD located?
The NPPES record lists a practice address at 13651 Willard St, Panorama City, CA, 91402. Phone: (818) 375-2000. Providers update this record themselves, so call before visiting.
How can I verify Yumi Christine Ishihara, MD's license?
NPPES lists California license number A115576, 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 Yumi Christine Ishihara, MD prescribe under Medicare Part D?
In 2024, Yumi Christine Ishihara, MD had 340 Medicare Part D claims for 251 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.