DR. JADWIGA M ALEXIEWICZ MD
NPI 1760487458
Internal Medicine - Nephrology in San Diego, CA
About Dr. Jadwiga M Alexiewicz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JADWIGA M ALEXIEWICZ MD (NPI 1760487458) is an individual nephrology provider in San Diego, California, licensed in California (A64466) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jadwiga M Alexiewicz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jadwiga Alexiewicz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92123 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92123
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 Jadwiga Alexiewicz's NPI number?
The NPI number for Jadwiga Alexiewicz is 1760487458. It was assigned to this individual provider in the NPPES registry on June 17, 2005.
Where is Jadwiga Alexiewicz located?
Jadwiga Alexiewicz practices at 7910 Frost St Ste 220, San Diego, CA 92123. The listed phone number is (858) 637-4700.
What is Jadwiga Alexiewicz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Jadwiga Alexiewicz enrolled in Medicare?
Yes. Jadwiga Alexiewicz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jadwiga Alexiewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jadwiga Alexiewicz reassigns Medicare benefits to Emergency And Acute Care Medical Corporation (San Diego, 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 Jadwiga Alexiewicz'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 Jadwiga Alexiewicz was last updated on September 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Jadwiga M Alexiewicz, MD · NPI 1760487458
Nephrology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since June 17, 2005.
## Identity
- **NPI:** 1760487458 (Entity type: Individual)
- **Enumerated:** June 17, 2005
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** A64466 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 7910 FROST ST, STE 220, San Diego, CA 92123-2771
- **Phone:** (858) 637-4700 · **Fax:** (858) 637-4701
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 18, 2015
- **Other identifiers:** Other WA64466A (CA); Medicare UPIN H30215 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1760487458) · Data from the CMS NPPES public registry.