James Weintraub, MD
NPI 1033277231 · Dermatology Physician · Westlake Village, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Weintraub, MD is a Dermatology Physician provider in Westlake Village, CA (NPI 1033277231).
Provider details
- NPI number
- 1033277231
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G40636 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,004 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 699 | $91 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 80 | $113 |
| Biopsy of Related Skin Growth, First Growth11102 | 64 | $104 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 64 | $67 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 64 | $35 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluorouracil | 70 | 57 |
| Fluocinonide | 60 | 41 |
| Imiquimod | 56 | 30 |
| Hydrocortisone | 27 | 21 |
| Hydroxyzine Hcl | 24 | — |
| Clobetasol Propionate | 15 | — |
| Doxycycline Hyclate | 15 | — |
| Terbinafine Hcl | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (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 (2)
- 612 Spring Rd Bldg aMoorpark, CA 93021-1298Phone: (805) 523-5400
- 1000 Newbury Rd Ste 150Newbury Park, CA 91320-6438Phone: (805) 498-3640Fax: (805) 498-3641
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is James Weintraub's NPI number?
- James Weintraub's National Provider Identifier (NPI) is 1033277231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Weintraub's specialty?
- James Weintraub is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is James Weintraub located?
- James Weintraub's practice location on file with NPPES is 1240 S Westlake Blvd, Westlake Village, CA 91361.
- What is James Weintraub's phone number?
- The practice phone number listed in the NPPES registry for James Weintraub is (805) 496-7888.
- Does James Weintraub accept Medicare?
- James Weintraub is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Weintraub's NPI active?
- Yes — James Weintraub's NPI (1033277231) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.