Ali Atabaki, M.D.
Critical Care Medicine (Internal Medicine) Physician · Calabasas, CA
Ali Atabaki, M.D. is a critical care medicine (internal medicine) physician with a practice address in Calabasas, California, and NPI 1619105426, issued on Jun 30, 2009. Check the license (California A136648, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ali Atabaki
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- A136648 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24623 Via Tecolote, Calabasas, CA 91302
- Phone
- (626) 375-6431
- Enumerated
- Jun 30, 2009
- Record last updated
- Nov 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151001003152); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Verify Ali Atabaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A136648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
102 Medicare Part D claims for 31 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 77% of claims.
Most prescribed
- Trelegy Ellipta32 claims
- Breo Ellipta23 claims
- Albuterol Sulfate Hfa22 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 MIPS final score for 2023 (Medicare payment program): 71.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $128.78
6 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Compassionate Critical Care Group, Inc.Northridge, CA
- Vital Lungs Associates OF Southern California IncNorthridge, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ali Atabaki among 723 critical care medicine (internal medicine) physician records in California
Ali Atabaki, M.D. is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% 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 59% of them.
- NPI issued2009 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2001 · median 2005 among the 559 with a school on file
- Record last updated2020 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Calabasas → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Aaron Glucksman, MDAgoura, CA 913011669817615
- Sasan Sani, M.D.Northridge, CA 913251760702179
- Roman Nepomuceno, MDPorter Ranch, CA 913261417715558
- Vincent Chan, M.D.Sylmar, CA 913421891929956
- Julien NguyenSylmar, CA 913421417377714
- John Lin, M.D.Valencia, CA 913551972558138
- Shahriar Ghodsian, MDThousand Oaks, CA 913601699728410
- Albert Lim, MDWoodland Hills, CA 913671134296007
Common questions
What is Ali Atabaki, M.D.'s NPI number?
Ali Atabaki, M.D.'s National Provider Identifier (NPI) is 1619105426, issued on Jun 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ali Atabaki, M.D. located?
The NPPES record lists a practice address at 24623 Via Tecolote, Calabasas, CA, 91302. Phone: (626) 375-6431. Providers update this record themselves, so call before visiting.
How can I verify Ali Atabaki, M.D.'s license?
NPPES lists California license number A136648, 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 Ali Atabaki, M.D. prescribe under Medicare Part D?
In 2024, Ali Atabaki, M.D. had 102 Medicare Part D claims for 31 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Ali Atabaki, M.D.'s MIPS final score?
The 2023 MIPS final score is 71.3 of 100. 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.