Leon Kupferwasser, M.D.
NPI 1316067457 · Cardiovascular Disease Physician · Van Nuys, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leon Kupferwasser, M.D. is a Cardiovascular Disease Physician provider in Van Nuys, CA (NPI 1316067457).
Provider details
- NPI number
- 1316067457
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A83900 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
13,820 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) |
|---|---|---|
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 3,281 | $55 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 3,129 | $54 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 2,027 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,160 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 905 | $98 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 838 | 266 |
| Atorvastatin Calcium | 622 | 219 |
| Apixabanbrand: Eliquis | 589 | 160 |
| Metoprolol Succinate | 534 | 161 |
| Losartan Potassium | 514 | 159 |
| Carvedilol | 502 | 138 |
| Hydralazine Hcl | 421 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,008 across 44 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
Registry dates
- Enumerated
- 2007-03-30
- Last updated
- 2022-10-05
- Certified
- 2022-10-05
Frequently asked questions
- What is Leon Kupferwasser's NPI number?
- Leon Kupferwasser's National Provider Identifier (NPI) is 1316067457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Kupferwasser's specialty?
- Leon Kupferwasser is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Leon Kupferwasser located?
- Leon Kupferwasser's practice location on file with NPPES is 16119 Vanowen St, Van Nuys, CA 91406-4822.
- What is Leon Kupferwasser's phone number?
- The practice phone number listed in the NPPES registry for Leon Kupferwasser is (818) 904-6782.
- Does Leon Kupferwasser accept Medicare?
- Leon Kupferwasser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leon Kupferwasser's NPI active?
- Yes — Leon Kupferwasser's NPI (1316067457) is active in the NPPES registry as of the last update on 2022-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.