MARK BARATS MD A PROFESSIONAL CORPORATION
NPI 1629397450
Internal Medicine - Nephrology in West Hollywood, CA
About Mark Barats Md A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK BARATS MD A PROFESSIONAL CORPORATION (NPI 1629397450) is a healthcare organization registered as a nephrology in West Hollywood, California and active in the NPI registry since May 2010. The organization lists Mark Barats, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Barats Md A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Mark Barats MD A Professional Corporation, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
West Hollywood, CA 90046
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 Mark Barats MD A Professional Corporation's NPI number?
The NPI number for Mark Barats MD A Professional Corporation is 1629397450. It was assigned to this organization in the NPPES registry on May 18, 2010.
Where is Mark Barats MD A Professional Corporation located?
Mark Barats MD A Professional Corporation is located at 948 N Fairfax Ave Ste201, West Hollywood, CA 90046. The listed phone number is (323) 654-2020.
What is Mark Barats MD A Professional Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Mark Barats MD A Professional Corporation enrolled in Medicare?
Yes. Mark Barats MD A Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mark Barats MD A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Mark Barats MD A Professional Corporation, in Nephrology 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 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 Mark Barats MD A Professional Corporation was last updated on February 20, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Mark Barats Md A Professional Corporation · NPI 1629397450
Nephrology organization in West Hollywood, California. Organization record, active in the CMS NPPES registry since May 18, 2010.
## Identity
- **NPI:** 1629397450 (Entity type: Organization)
- **Enumerated:** May 18, 2010
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Mark Barats, PRESIDENT
## Practice location
- **Address:** 948 N FAIRFAX AVE, STE201, West Hollywood, CA 90046-7204
- **Phone:** (323) 654-2020 · **Fax:** (323) 654-2828
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nephrology (1), Nurse Practitioner (1); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 20, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1629397450) · Data from the CMS NPPES public registry.