Dr. Isaac Bash, MD
- Medicare services, 2024
- 1,080
- Medicare patients, 2024
- 699
- Part D claims, 2024
- 484
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Practice address
- 18321 Clark Street, Tarzana, CA 91356
- Practice phone
- Call (818) 881-0800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Bash's professional email, personal email and mobile number
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Dr. Isaac Bash is an emergency medicine physician in Tarzana, California
Dr. Bash practices at Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California, part of Providence Health & Services.
Dr. Bash's NPI, 1619934643, was assigned on April 26, 2006. Dr. Bash graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1996. Dr. Bash holds California license A62981.
- NPI
- 1619934643NPI Registry (opens in a new tab)
- NPI enumeration date
- April 26, 2006
- NPI status
- Active
- Practice phone
- (818) 881-0800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Isaac Bash practices at Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California
Dr. Bash's primary practice is Providence Cedars-Sinai Tarzana Medical Center, at 18321 Clark Street, Tarzana, CA 91356 in Los Angeles County. The practice phone is (818) 881-0800.
- Providence Cedars-Sinai Tarzana Medical Center18321 Clark Street, Tarzana, CA 91356 · Los Angeles CountyPhone(818) 881-0800
Source: Dmand AI Affiliation Data
Dr. Isaac Bash is affiliated with 2 sites of care and 7 medical groups
Dr. Bash's primary practice is Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California, part of Providence Health & Services. Dr. Bash is also affiliated with Providence Saint John's Health Center. The medical group on file is Emergent Medical Associates. Dmand AI also links Dr. Bash to 6 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Isaac Bash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bash practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Cedars-Sinai Tarzana Medical Center | Available with a free account |
| +1 more site and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Isaac Bash is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Bash's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Bash is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Bash is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Bash
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Isaac Bash billed Medicare for 1,080 services in 2024
CMS data shows 1,080 Medicare services from Dr. Bash across 5 procedure codes in 2024, for 699 Medicare patients. Medicare paid $105,850 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Bash's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7242024: 721No change
- Tests and treatments
- 2023: 2482024: 35945%
Dr. Bash compared with the California median for emergency medicine physicians, 2024
- Dr. Bash
- California median
- Medicare services
- 1,080vs 2654.1 times
- Medicare patients
- 699vs 2432.9 times
- Part D claims
- 307vs 625.0 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Bash's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bash and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Isaac Bash treated 699 Medicare patients in 2024, average age 77
CMS counts 699 Medicare patients who saw Dr. Bash in 2024. The largest group is 65 to 74, with 230 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Bash's median patient age at 42, with 56% women.
Dr. Bash's Medicare patients by age, 2024
Dr. Bash's Medicare patients by sex, 2024
- Women40258%
- Men29742%
Chronic conditions among Dr. Bash's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis70%
- Ischemic heart disease56%
- Diabetes50%
- Mood disorders45%
- Anxiety42%
- Depression42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bash's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Isaac Bash wrote 484 Medicare Part D claims in 2024
In 2024, Dr. Bash wrote 484 Medicare Part D claims for 245 patients. 94% of them were for generic drugs. CMS names the drug for 307 of them, across 13 drugs with 11 or more claims each, at $1,539 in total drug cost. In 2023, CMS named 391 claims across 14 drugs.
Dr. Bash's Part D claims by kind of drug, 2024
- Generic455 claims94%
- Brand-name29 claims6%
Dr. Bash's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Bash's Part D claims, 2024
- Opioids15%71 of 484 claims
- Antibiotics24%116 of 484 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3912024: 30721%
Drugs named by CMS: 13 in 2024, 14 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Isaac Bash scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Bash for performance year 2024, reported as part of a group.
Dr. Bash's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Isaac Bash received $97 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Bash from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Covidien LP paid the most, $97.
Companies that paid Dr. Bash the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Isaac Bash graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Bash graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1996.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Isaac Bash accepts plans from 6 insurance carriers
Dr. Bash is in network with 6 carriers, including Elevance, United Healthcare and Aspirus Health Plan. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- HCSC
Plan types Dr. Bash accepts, by number of carriers
- Medicare3
- POS3
- PPO3
- HMO2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Isaac Bash's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Isaac Bash
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Isaac Bash's NPI number?
Dr. Isaac Bash's NPI number is 1619934643. It was assigned on April 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Isaac Bash?
Dr. Isaac Bash is an emergency medicine physician in Tarzana, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Isaac Bash practice?
Dr. Bash practices at 18321 Clark Street, Tarzana, CA 91356. Dr. Bash's primary practice is Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California, part of Providence Health & Services. Dmand AI also links Dr. Bash to 6 medical groups.
What is Dr. Isaac Bash's office phone number?
The practice phone on file for Dr. Bash is (818) 881-0800.
What is Dr. Isaac Bash's medical license number?
Dr. Bash holds California license A62981.
Which hospitals is Dr. Isaac Bash affiliated with?
Dr. Bash practices at Providence Cedars-Sinai Tarzana Medical Center in Tarzana, California. Dr. Bash is also affiliated with Providence Saint John's Health Center.
What medical group is Dr. Isaac Bash part of?
Dr. Bash is linked to Emergent Medical Associates. Dmand AI links Dr. Bash to 6 more medical groups.
Does Dr. Isaac Bash accept Medicare?
Yes. CMS data shows Dr. Bash billed Medicare for 1,080 services in 2024.
What is Dr. Isaac Bash's MIPS score?
Dr. Bash's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Isaac Bash see?
CMS counts 699 Medicare patients who saw Dr. Bash in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Isaac Bash board certified?
Yes. Dr. Bash is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Isaac Bash bill to Medicare?
In 2024, Dr. Bash's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and critical care (99291).
Where did Dr. Isaac Bash go to medical school?
Dr. Bash graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1996.
What drugs does Dr. Isaac Bash prescribe most?
In 2024 Medicare Part D data, Dr. Bash's most prescribed drugs by claims were Ondansetron ODT, Hydrocodone-Acetaminophen and Ibuprofen.
Has Dr. Isaac Bash received payments from drug or device companies?
CMS Open Payments shows $97 in general payments to Dr. Bash from 1 company from 2016 to 2016. The largest total came from Covidien LP.
How long has Dr. Isaac Bash been practicing?
Dr. Bash graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Isaac Bash accept?
Dr. Bash is in network with 6 carriers, including Elevance, United Healthcare and Aspirus Health Plan. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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