SABINA R WALLACH MD AMC
NPI 1669644514
Specialist in La Jolla, CA
About Sabina R Wallach Md Amc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SABINA R WALLACH MD AMC (NPI 1669644514) is a healthcare organization registered as a specialist in La Jolla, California and active in the NPI registry since April 2008. The organization lists Sabina R Wallach, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sabina R Wallach Md Amc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Sabina R Wallach MD Amc, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Sabina R Wallach MD Amc's NPI number?
The NPI number for Sabina R Wallach MD Amc is 1669644514. It was assigned to this organization in the NPPES registry on April 1, 2008.
Where is Sabina R Wallach MD Amc located?
Sabina R Wallach MD Amc is located at 9850 Genesee Ave Suite 400, La Jolla, CA 92037. The listed phone number is (858) 558-8666.
What is Sabina R Wallach MD Amc's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Sabina R Wallach MD Amc enrolled in Medicare?
Yes. Sabina R Wallach MD Amc is registered in the Medicare PECOS enrollment system.
When is Sabina R Wallach MD Amc's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Sabina R Wallach MD Amc?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Sabina R Wallach MD Amc, in Hematology/Oncology and Nurse Practitioner. A 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 the clinician's services. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Sabina R Wallach MD Amc was last updated on February 2, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Sabina R Wallach Md Amc · NPI 1669644514
Specialist organization in La Jolla, California. Organization record, active in the CMS NPPES registry since April 1, 2008.
## Identity
- **NPI:** 1669644514 (Entity type: Organization)
- **Enumerated:** April 1, 2008
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Sabina Wallach, PRESIDENT
## Practice location
- **Address:** 9850 GENESEE AVE, SUITE 400, La Jolla, CA 92037-1224
- **Phone:** (858) 558-8666 · **Fax:** (858) 558-9233
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Hematology/Oncology (1), Nurse Practitioner (1); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 2, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1669644514) · Data from the CMS NPPES public registry.