Joseph Mendelis, MD
NPI 1467847525 · Orthopaedic Surgery Physician · Westlake Village, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Mendelis, MD is a Orthopaedic Surgery Physician provider in Westlake Village, CA (NPI 1467847525).
Provider details
- NPI number
- 1467847525
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A168200 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,911 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 727 | $137 |
| X-Ray of Lower and Sacral Spine, Minimum of 4 Views72110 | 337 | $59 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 241 | $178 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 131 | $96 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 107 | $193 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 219 | 98 |
| Gabapentin | 147 | 72 |
| Tizanidine Hcl | 59 | 36 |
| Baclofen | 41 | 27 |
| Methylprednisolone | 36 | 35 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 28 | 26 |
| Cyclobenzaprine Hcl | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$732 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (5)
- 19950 Rinaldi St Ste 100Northridge, CA 91326-4141Phone: (818) 363-2273
- 400 Parnassus Ave Fl 3San Francisco, CA 94143-2202Phone: (866) 817-7463
- 3605 Alamo St Ste 200Simi Valley, CA 93063-2186Phone: (805) 578-8550
- 375 Rolling Oaks Dr Ste 210Thousand Oaks, CA 91361-1028Phone: (805) 497-7015
- 1250 Waters Pl11th FloorBronx, NY 10461-2720Phone: (347) 577-4410
Registry dates
- Enumerated
- 2015-04-05
- Last updated
- 2025-03-21
- Certified
- 2025-03-21
Frequently asked questions
- What is Joseph Mendelis's NPI number?
- Joseph Mendelis's National Provider Identifier (NPI) is 1467847525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Mendelis's specialty?
- Joseph Mendelis is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Mendelis located?
- Joseph Mendelis's practice location on file with NPPES is 30870 Russell Ranch Rd Ste 330, Westlake Village, CA 91362-7372.
- What is Joseph Mendelis's phone number?
- The practice phone number listed in the NPPES registry for Joseph Mendelis is (805) 497-7015.
- Does Joseph Mendelis accept Medicare?
- Joseph Mendelis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Mendelis's NPI active?
- Yes — Joseph Mendelis's NPI (1467847525) is active in the NPPES registry as of the last update on 2025-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.