Sandra Isnasious, M.D.
Emergency Medicine Physician · Manhattan Beach, CA
Sandra Isnasious, M.D. is an emergency medicine physician with a practice address in Manhattan Beach, California, and NPI 1174908685, issued on Jul 26, 2015. Check the license (California A146762, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sandra Isnasious
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A146762 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3215 N Sepulveda Blvd, Manhattan Beach, CA 90266
- Phone
- (424) 295-0540
- Enumerated
- Jul 26, 2015
- Record last updated
- Jun 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190412000962); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 3215 N Sepulveda Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rosanne Kay, MDEmergency Medicine Physician1346332293
- Elizabeth Rodriguez, PA-CPhysician Assistant1114242278
- Joshua Russell, M.D., MSCEmergency Medicine Physician1417274200
Verify Sandra Isnasious in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A146762Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.8 times the Medicare Part D claims of the average emergency medicine physician in 2024
1,091 Medicare Part D claims for 645 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass127 claims
- Azithromycin117 claims
- Cephalexin101 claims
- Fluticasone Propionate90 claims
- Prednisone68 claims
- Sulfamethoxazole-Trimethoprim68 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 2 group practices
- Intercommunity Emergency Medical GroupDowney, CA
- Torrance Health Association IncTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sandra Isnasious among 7,751 emergency medicine physician records in California
Sandra Isnasious, M.D. 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 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2015 · 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).
22 emergency medicine physician records list a practice address in Manhattan Beach
They are 22 of the 675 NPPES records with a practice address in Manhattan Beach, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Manhattan Beach → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Peter Bloomfield, M.D.Manhattan Beach, CA 902661053424713
- Gregory Brewster, M.D.Manhattan Beach, CA 902661639164007
- James Buselli, M.D.Manhattan Beach, CA 902661932310877
- Jose Cervantes, MDManhattan Beach, CA 902661275589962
- Kathleen Edmunds, MDManhattan Beach, CA 902661619055696
- Cary Gallardo, M.D.Manhattan Beach, CA 902661821119561
- David Gutkin, D.O.Manhattan Beach, CA 902661518022524
- Rosanne Kay, MDManhattan Beach, CA 902661346332293
Common questions
What is Sandra Isnasious, M.D.'s NPI number?
Sandra Isnasious, M.D.'s National Provider Identifier (NPI) is 1174908685, issued on Jul 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Isnasious, M.D. located?
The NPPES record lists a practice address at 3215 N Sepulveda Blvd, Manhattan Beach, CA, 90266. Phone: (424) 295-0540. Providers update this record themselves, so call before visiting.
How can I verify Sandra Isnasious, M.D.'s license?
NPPES lists California license number A146762, 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 Sandra Isnasious, M.D. prescribe under Medicare Part D?
In 2024, Sandra Isnasious, M.D. had 1,091 Medicare Part D claims for 645 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.