ADAM WALLACH,M.D. A PROFESSIONAL CORPORATION
NPI 1346517620
Specialist in Danville, CA
About Adam Wallach,m.d. A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADAM WALLACH,M.D. A PROFESSIONAL CORPORATION (NPI 1346517620) is a healthcare organization registered as a specialist in Danville, California and active in the NPI registry since November 2011. The organization lists Adam G Wallach, Physican/owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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)
Adam Wallach,m.d. A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
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 Adam Wallach,m.D. A Professional Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address. 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 Adam Wallach,m.D. A Professional Corporation's NPI number?
The NPI number for Adam Wallach,m.D. A Professional Corporation is 1346517620. It was assigned to this organization in the NPPES registry on November 30, 2011.
Where is Adam Wallach,m.D. A Professional Corporation located?
Adam Wallach,m.D. A Professional Corporation is located at 400 El Cerro Blvd. Ste. 204, Danville, CA 94526. The listed phone number is (925) 837-8848.
What is Adam Wallach,m.D. A Professional Corporation's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Adam Wallach,m.D. A Professional Corporation enrolled in Medicare?
Yes. Adam Wallach,m.D. A Professional Corporation is registered in the Medicare PECOS enrollment system.
When is Adam Wallach,m.D. A Professional Corporation'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 December 31, 2026. 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 Adam Wallach,m.D. A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Adam Wallach,m.D. A Professional Corporation, in Dermatology 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, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Adam Wallach,m.D. A Professional Corporation was last updated on November 30, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Adam Wallach,m.d. A Professional Corporation · NPI 1346517620
Specialist organization in Danville, California. Organization record, active in the CMS NPPES registry since November 30, 2011.
## Identity
- **NPI:** 1346517620 (Entity type: Organization)
- **Enumerated:** November 30, 2011
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Adam Wallach, PHYSICAN/OWNER
## Practice location
- **Address:** 400 EL CERRO BLVD., STE. 204, Danville, CA 94526
- **Phone:** (925) 837-8848
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (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: Dermatology (1), Nurse Practitioner (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 30, 2011
- **Other identifiers:** Medicare PIN 00G859980 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1346517620) · Data from the CMS NPPES public registry.