DR. ALEXANDER KOPELNIK M.D.
NPI 1306041355
Internal Medicine - Cardiovascular Disease in San Leandro, CA
About Dr. Alexander Kopelnik M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER KOPELNIK M.D. (NPI 1306041355) is an individual cardiovascular disease provider in San Leandro, California, licensed in California (A90257) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Alexander Kopelnik 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.
Medicare Billing Reassignment
Medicare enrollment records show Alexander Kopelnik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Leandro, CA 94578
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 19
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94578 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Reported Quality Measures
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN LEANDRO, CA 94578
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 Alexander Kopelnik's NPI number?
The NPI number for Alexander Kopelnik is 1306041355. It was assigned to this individual provider in the NPPES registry on June 19, 2007.
Where is Alexander Kopelnik located?
Alexander Kopelnik practices at 1532 150th Ave, San Leandro, CA 94578. The listed phone number is (510) 351-6363.
What is Alexander Kopelnik's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Alexander Kopelnik enrolled in Medicare?
Yes. Alexander Kopelnik 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.
Which organization bills Medicare for Alexander Kopelnik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Kopelnik reassigns Medicare benefits to Dr Aditya Jain MD Inc (San Leandro, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Kopelnik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alexander Kopelnik was last updated on April 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.