Joseph Mendelis, MD
Orthopaedic Surgery of the Spine Physician · Westlake Village, CA
Joseph Mendelis, MD is an orthopaedic surgery of the spine physician with a practice address in Westlake Village, California, and NPI 1467847525, issued on Apr 5, 2015. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Mendelis
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery of the Spine Physician 207XS0117X
- Practice location
- 30870 Russell Ranch RD Ste 330, Westlake Village, CA 91362
- Phone
- (805) 497-7015
- Enumerated
- Apr 5, 2015
- Entity
- Type 1 · individual
Also registered at 30870 Russell Ranch RD Ste 330
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harpreet Bawa, M.D.Adult Reconstructive Orthopaedic Surgery Physician1033472022
- Armen Haroutunian, M.D.Pain Medicine (Anesthesiology) Physician1588041412
- Sana Khan, OTR/LHand Occupational Therapist1669765764
- Linda Liu, PAPhysician Assistant1164299905
- Leonardo McCormick, PT, DPTPhysical Therapist1710783634
- Heather McDaniel, P,A,Surgical Physician Assistant1619252913
Verify Joseph Mendelis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
73% more Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024
657 Medicare Part D claims for 286 beneficiaries, against an average of 380 among the 1,331 providers of this specialty who prescribed in Part D. 57 claims were for opioids.
Most prescribed
- Meloxicam219 claims
- Gabapentin147 claims
- Tizanidine Hcl59 claims
- Baclofen41 claims
- Methylprednisolone36 claims
- Hydrocodone-Acetaminophen28 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 Medicare quality score for 2023: 77.6 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: $732.19
12 payments, mostly food and beverage; the largest payer was Highridge Medical LLC. The 1,314 providers of this specialty with any payment received $36,733.57 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.
One hospital or facility affiliation
- Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Orthopaedic Surgery of the Spine Physician providers in California
There are 252 orthopaedic surgery of the spine physician records in California.
All 252 in California → Every provider in Westlake Village →
Other orthopaedic surgery of the spine physician records in California
- Gaurav Abbi, MDBurlingame, CA1700074853
- Jean-Jacques Abitbol, MDSan Diego, CA1245281856
- Jonathan Acosta, MDRancho Cucamonga, CA1669001376
- Robert Ahearn, MDHuntington Beach, CA1497865257
- Todd Alamin, MDStanford, CA1720134299
- Gary Alegre, MDStockton, CA1063467116
- Ahmed Aljahwari, MD,FRCSCSan Francisco, CA1790925865
- Neville Alleyne, M.D.Oceanside, CA1346200425
- Ram Alluri, M.D.Los Angeles, CA1487064150
- Abdullah Alshammari, MD, FRCSCSan Francisco, CA1437982477
Common questions
What is Joseph Mendelis, MD's NPI number?
Joseph Mendelis, MD's National Provider Identifier (NPI) is 1467847525, issued on Apr 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Mendelis, MD located?
The NPPES record lists a practice address at 30870 Russell Ranch RD Ste 330, Westlake Village, CA, 91362. Phone: (805) 497-7015. Providers update this record themselves, so call before visiting.
How can I verify Joseph Mendelis, MD's license?
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 Joseph Mendelis, MD prescribe under Medicare Part D?
In 2024, Joseph Mendelis, MD had 657 Medicare Part D claims for 286 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 380. Part D covers Medicare prescriptions only.
What is Joseph Mendelis, MD's Medicare quality score?
The 2023 MIPS final score is 77.6 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.