LEON I. KUPFERWASSER M.D.
NPI 1316067457
Internal Medicine - Cardiovascular Disease in Van Nuys, CA

Active since March 30, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
16119 VANOWEN ST, VAN NUYS, CA 91406(818) 904-6782(818) 904-5896 Get Directions Write a Review

NPPES record last updated: October 5, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Leon I. Kupferwasser M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEON I. KUPFERWASSER M.D. (NPI 1316067457) is an individual cardiovascular disease provider in Van Nuys, California, licensed in California (A83900) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1316067457
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameLEON I. KUPFERWASSERCredential: M.D.
Location Address16119 VANOWEN STVan Nuys, CA 91406-4822
Mailing Address16119 Vanowen StVan Nuys, CA 91406-4822 · (818) 904-6782 · Fax (818) 904-5896
Fax(818) 904-5896
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateMarch 30, 2007
Last NPPES UpdateOctober 5, 2022
NPPES CertifiedOctober 5, 2022
NPI 1316067457 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in CA · A83900
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License A83900 (CA)
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License A83900 (CA)
16119 VANOWEN ST, Van Nuys, CA 91406

Other Identifiers 1

Medicaid00A839000CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Leon I. Kupferwasser M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254321839
PECOS Enrollment IDI20040514001280
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 29

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454
This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.
3,281 services396 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
3,129 services432 patients
Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) J0153
An adenosine injection is a quick-acting medication used to manage irregular heart rhythms. It works by slowing down the electrical activity in your heart, allowing it to return to its regular rhythm. This procedure is safe and typically performed under medical supervision.
2,376 services42 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
2,027 services1,115 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,160 services747 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
905 services671 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91406 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.46
Improvement Activities40

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Interventional Cardiology)
16119 VANOWEN ST
VAN NUYS, CA 91406
Internal Medicine (Cardiovascular Disease)
16119 VANOWEN ST
VAN NUYS, CA 91406
Internal Medicine (Cardiovascular Disease)
16119 VANOWEN ST
VAN NUYS, CA 91406
Internal Medicine (Clinical Cardiac Electrophysiology)
16119 VANOWEN ST
VAN NUYS, CA 91406
Internal Medicine (Cardiovascular Disease)
16119 VANOWEN ST
VAN NUYS, CA 91406

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leon Kupferwasser's NPI number?

The NPI number for Leon Kupferwasser is 1316067457. It was assigned to this individual provider in the NPPES registry on March 30, 2007.

Where is Leon Kupferwasser located?

Leon Kupferwasser practices at 16119 Vanowen St, Van Nuys, CA 91406. The listed phone number is (818) 904-6782.

What is Leon Kupferwasser's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Leon Kupferwasser enrolled in Medicare?

Yes. Leon Kupferwasser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Leon Kupferwasser was last updated on October 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.