Phillip Aleksiejuk, MD
Rheumatology Physician · Woodland Hills, CA
Phillip Aleksiejuk, MD is a rheumatology physician with a practice address in Woodland Hills, California, and NPI 1063844579, issued on Aug 7, 2013. Check the license (California A141203, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Phillip Aleksiejuk
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A141203 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23067 Ventura Blvd Ste 200, Woodland Hills, CA 91364
- Phone
- (818) 598-0000
- Enumerated
- Aug 7, 2013
- Record last updated
- Nov 19, 2024
- Medicare enrollment
- Enrolled (PECOS I20220824003092); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 23067 Ventura Blvd Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nazanin Firooz, M.D.Rheumatology Physician1447437967
- Jada Pascual, NP-CNurse Practitioner1639955230
- Sabrina Roofian, PA-CMedical Physician Assistant1063284784
Verify Phillip Aleksiejuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A141203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,541 Medicare Part D claims for 233 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 65 claims were for opioids.
Most prescribed
- Prednisone255 claims
- Gabapentin82 claims
- Methotrexate82 claims
- Hydroxychloroquine Sulfate79 claims
- Pregabalin74 claims
- Leflunomide67 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): 100 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).
Industry payments in 2024: $4,577.84
206 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- Nazanin Firooz MD IncWoodland Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phillip Aleksiejuk among 926 rheumatology physician records in California
Phillip Aleksiejuk, MD is one of 926 rheumatology 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 2013, is newer than 75% of them.
- NPI issued2013 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2013 · median 2003 among the 641 with a school on file
- Record last updated2024 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Woodland Hills → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Nazanin Firooz, M.D.Woodland Hills, CA 913641447437967
- Byung Ban, D.O.Woodland Hills, CA 913671437512134
- Mark HallWestlake Village, CA 913611891181103
- David Hurwitz, MDWoodland Hills, CA 913671073661872
- Olga Popel, MDWestlake Village, CA 913611265518054
- Meera Reddy, MDWoodland Hills, CA 913671669676714
- Steven Weiner, M.D.Woodland Hills, CA 913671063402956
- Aelita Khachatrian, MDThousand Oaks, CA 913601306137476
Common questions
What is Phillip Aleksiejuk, MD's NPI number?
Phillip Aleksiejuk, MD's National Provider Identifier (NPI) is 1063844579, issued on Aug 7, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Phillip Aleksiejuk, MD located?
The NPPES record lists a practice address at 23067 Ventura Blvd Ste 200, Woodland Hills, CA, 91364. Phone: (818) 598-0000. Providers update this record themselves, so call before visiting.
How can I verify Phillip Aleksiejuk, MD's license?
NPPES lists California license number A141203, 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 Phillip Aleksiejuk, MD prescribe under Medicare Part D?
In 2024, Phillip Aleksiejuk, MD had 1,541 Medicare Part D claims for 233 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Phillip Aleksiejuk, MD's MIPS final score?
The 2023 MIPS final score is 100 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.