UNITED INPATIENT CONSULTANTS
NPI 1194063529
Internal Medicine in Simi Valley, CA
About United Inpatient Consultants NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
UNITED INPATIENT CONSULTANTS (NPI 1194063529) is a healthcare organization registered as an internal medicine in Simi Valley, California and active in the NPI registry since January 2013. The organization lists Jonathan Nasseri, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
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)
United Inpatient Consultants is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
19Medicare enrollment records show 19 clinicians reassign Medicare billing to United Inpatient Consultants, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 9 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 8
Clinicians, nearest first (19)
Simi Valley, CA 93065
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 Jonathan Nasseri MD Corp's NPI number?
The NPI number for Jonathan Nasseri MD Corp is 1194063529. It was assigned to this organization in the NPPES registry on January 18, 2013. The provider is doing business as United Inpatient Consultants.
Where is Jonathan Nasseri MD Corp located?
Jonathan Nasseri MD Corp is located at 2975 Sycamore Dr, Simi Valley, CA 93065. The listed phone number is (805) 367-4477.
What is Jonathan Nasseri MD Corp's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jonathan Nasseri MD Corp enrolled in Medicare?
Yes. Jonathan Nasseri MD Corp is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Jonathan Nasseri MD Corp?
According to the CMS Revalidation Reassignment List (October 2026 release), 19 clinicians in 8 Medicare specialties reassign their Medicare billing to Jonathan Nasseri MD Corp. 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. The largest specialties are Internal Medicine (6), Family Practice (4) and Hospitalist (4). Of these, 1 practice at this address and 9 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 Jonathan Nasseri MD Corp was last updated on December 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# United Inpatient Consultants · NPI 1194063529
Internal Medicine organization in Simi Valley, California. Organization record, active in the CMS NPPES registry since January 18, 2013.
## Identity
- **NPI:** 1194063529 (Entity type: Organization)
- **Enumerated:** January 18, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Legal business name:** Jonathan Nasseri Md Corp
- **Organization subpart:** No
- **Authorized official:** Jonathan Nasseri, PRESIDENT
## Practice location
- **Address:** 2975 SYCAMORE DR, Simi Valley, CA 93065-1201
- **Phone:** (805) 367-4477
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 19 clinicians in 8 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (6), Family Practice (4), Hospitalist (4); 1 practice at this address and 9 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 15, 2015
---
Source: [NPI Profile](https://npiprofile.com/npi/1194063529) · Data from the CMS NPPES public registry.