HOSPITALIST MEDICINE PHYSICIANS OF CALIFORNIA - APPLE VALLEY, PC
NPI 1447738075
Internal Medicine in Apple Valley, CA
About Hospitalist Medicine Physicians Of California - Apple Valley, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOSPITALIST MEDICINE PHYSICIANS OF CALIFORNIA - APPLE VALLEY, PC (NPI 1447738075) is a healthcare organization registered as an internal medicine in Apple Valley, California and active in the NPI registry since August 2018. The organization lists Robert Bessler, 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)
Hospitalist Medicine Physicians Of California - Apple Valley, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
18Medicare enrollment records show 18 clinicians reassign Medicare billing to Hospitalist Medicine Physicians Of California - Apple Valley, PC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 5
Clinicians, nearest first (18)
Fontana, CA 92335
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 Hospitalist Medicine Physicians Of California - Apple Valley, PC's NPI number?
The NPI number for Hospitalist Medicine Physicians Of California - Apple Valley, PC is 1447738075. It was assigned to this organization in the NPPES registry on August 6, 2018.
Where is Hospitalist Medicine Physicians Of California - Apple Valley, PC located?
Hospitalist Medicine Physicians Of California - Apple Valley, PC is located at 18300 Us Highway 18, Apple Valley, CA 92307. The listed phone number is (760) 946-4233.
What is Hospitalist Medicine Physicians Of California - Apple Valley, PC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hospitalist Medicine Physicians Of California - Apple Valley, PC enrolled in Medicare?
Yes. Hospitalist Medicine Physicians Of California - Apple Valley, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Hospitalist Medicine Physicians Of California - Apple Valley, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 18 clinicians in 5 Medicare specialties reassign their Medicare billing to Hospitalist Medicine Physicians Of California - Apple Valley, PC. 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 (8), Hospitalist (5) and Family Practice (3). 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 Hospitalist Medicine Physicians Of California - Apple Valley, PC was last updated on August 6, 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.
# Hospitalist Medicine Physicians Of California - Apple Valley, Pc · NPI 1447738075
Internal Medicine organization in Apple Valley, California. Organization record, active in the CMS NPPES registry since August 6, 2018.
## Identity
- **NPI:** 1447738075 (Entity type: Organization)
- **Enumerated:** August 6, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Robert Bessler, PRESIDENT
## Practice location
- **Address:** 18300 US HIGHWAY 18, Apple Valley, CA 92307-2206
- **Phone:** (760) 946-4233
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 18 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (8), Hospitalist (5), Family Practice (3); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 6, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1447738075) · Data from the CMS NPPES public registry.