Isaac Bash, MD
Emergency Medicine Physician · Santa Monica, CA
Isaac Bash, MD is an emergency medicine physician with a practice address in Santa Monica, California, and NPI 1619934643, issued on Apr 26, 2006. Check the license (California A62981, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Isaac Bash
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A62981 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2121 Santa Monica Blvd, Santa Monica, CA 90404
- Phone
- (310) 582-7089
- Enumerated
- Apr 26, 2006
- Record last updated
- Dec 8, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 00A629810 CA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 2121 Santa Monica Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Isaac Bash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A62981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average emergency medicine physician in 2024
484 Medicare Part D claims for 245 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 71 claims were for opioids.
Most prescribed
- Ondansetron Odt53 claims
- Hydrocodone-Acetaminophen38 claims
- Ibuprofen37 claims
- Cephalexin32 claims
- Prednisone20 claims
- Dicyclomine Hcl19 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 90 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Isaac Bash among 7,751 emergency medicine physician records in California
Isaac Bash, 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2010 · 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).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Santa Monica → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Victor Candioty, MDSanta Monica, CA 904041437116472
- Michelle Charfen, M.D.Santa Monica, CA 904041588602486
- Edward Cotner, MDSanta Monica, CA 904041023074044
- Patricia Drum-Lal, PACSanta Monica, CA 904041639136674
- Walid Ghurabi, D.O.Santa Monica, CA 904041073566931
- Daniel Grossman, MDSanta Monica, CA 904041386601326
- Amy Kijner, PASanta Monica, CA 904041235197849
- Russ Kino, MDSanta Monica, CA 904041699732636
Common questions
What is Isaac Bash, MD's NPI number?
Isaac Bash, MD's National Provider Identifier (NPI) is 1619934643, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Bash, MD located?
The NPPES record lists a practice address at 2121 Santa Monica Blvd, Santa Monica, CA, 90404. Phone: (310) 582-7089. Providers update this record themselves, so call before visiting.
How can I verify Isaac Bash, MD's license?
NPPES lists California license number A62981, 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 Isaac Bash, MD prescribe under Medicare Part D?
In 2024, Isaac Bash, MD had 484 Medicare Part D claims for 245 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Isaac Bash, MD's MIPS final score?
The 2023 MIPS final score is 90 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.