Darius Alexander Filsoof, M.D.
Pulmonary Disease Physician · Santa Monica, CA
Darius Alexander Filsoof, M.D. is a pulmonary disease physician with a practice address in Santa Monica, California, and NPI 1801250584, issued on Apr 8, 2016. Check the license (California A150985, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Darius Alexander Filsoof
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A150985 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1223 16TH St Ste 3400, Santa Monica, CA 90404
- Phone
- (310) 449-0939
- Enumerated
- Apr 8, 2016
- Record last updated
- Jun 29, 2022
- Fax
- (424) 259-7790
- Medicare enrollment
- Enrolled (PECOS I20230718001065); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 1223 16TH St Ste 3400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olawale Amubieya, M.D.Pulmonary Disease Physician1881039238
- Jerome Anyalebechi, MDSurgery Physician1437682440
- Ravi Aysola, M.D.Pulmonary Disease Physician1710008834
- Shailesh BalasubramanianPulmonary Disease Physician1164748562
- Joanne Bando, MDPulmonary Disease Physician1609083773
- Melisa Chang, M.D.Sleep Medicine (Internal Medicine) Physician1477879070
Verify Darius Alexander Filsoof in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A150985Check 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% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
712 Medicare Part D claims for 167 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Albuterol Sulfate Hfa133 claims
- Fluticasone Propionate108 claims
- Trelegy Ellipta98 claims
- Stiolto Respimat50 claims
- Breztri Aerosphere34 claims
- Prednisone34 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): 97.6 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: $32,120.94
14 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 8,806 providers of this specialty with any payment received $5,159.88 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 one group practice
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darius Alexander Filsoof among 1,443 pulmonary disease physician records in California
Darius Alexander Filsoof, M.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2016 · median 2002 among the 1,061 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Santa Monica → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Ravi Aysola, M.D.Santa Monica, CA 904041710008834
- Hossein Babaali, M.D.Santa Monica, CA 904041699790584
- Joanne Bando, MDSanta Monica, CA 904041609083773
- Gregory Bierer, MDSanta Monica, CA 904041154489433
- James Burrows, M.D.Santa Monica, CA 904041790872281
- Colleen Channick, M.D.Santa Monica, CA 904041023043775
- Burt Charuworn, MDSanta Monica, CA 904041508899808
- Gerard Frank, MDSanta Monica, CA 904041982639571
Common questions
What is Darius Alexander Filsoof, M.D.'s NPI number?
Darius Alexander Filsoof, M.D.'s National Provider Identifier (NPI) is 1801250584, issued on Apr 8, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Darius Alexander Filsoof, M.D. located?
The NPPES record lists a practice address at 1223 16TH St Ste 3400, Santa Monica, CA, 90404. Phone: (310) 449-0939. Providers update this record themselves, so call before visiting.
How can I verify Darius Alexander Filsoof, M.D.'s license?
NPPES lists California license number A150985, 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 Darius Alexander Filsoof, M.D. prescribe under Medicare Part D?
In 2024, Darius Alexander Filsoof, M.D. had 712 Medicare Part D claims for 167 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Darius Alexander Filsoof, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 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.