ST. JOHN CRITICAL CARE MEDICAL GROUP, INC
NPI 1528407012
Internal Medicine - Critical Care Medicine in Bakersfield, CA
About St. John Critical Care Medical Group, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ST. JOHN CRITICAL CARE MEDICAL GROUP, INC (NPI 1528407012) is a healthcare organization registered as a critical care medicine in Bakersfield, California and active in the NPI registry since June 2013. The organization lists Hany S Aziz, Owner, 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)
St. John Critical Care Medical Group, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
14Medicare enrollment records show 14 clinicians reassign Medicare billing to St. John Critical Care Medical Group, Inc, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 10 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (14)
Los Angeles, CA 90033
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 St. John Critical Care Medical Group, Inc's NPI number?
The NPI number for St. John Critical Care Medical Group, Inc is 1528407012. It was assigned to this organization in the NPPES registry on June 18, 2013.
Where is St. John Critical Care Medical Group, Inc located?
St. John Critical Care Medical Group, Inc is located at 3805 San Dimas St Ste B, Bakersfield, CA 93301. The listed phone number is (661) 326-9999.
What is St. John Critical Care Medical Group, Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is St. John Critical Care Medical Group, Inc enrolled in Medicare?
Yes. St. John Critical Care Medical Group, Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through St. John Critical Care Medical Group, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 14 clinicians in 4 Medicare specialties reassign their Medicare billing to St. John Critical Care Medical Group, Inc. 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 Nurse Practitioner (8), Critical Care (Intensivists) (3) and Internal Medicine (2). Of these, 6 practice at this address and 10 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 St. John Critical Care Medical Group, Inc was last updated on June 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# St. John Critical Care Medical Group, Inc · NPI 1528407012
Critical Care Medicine organization in Bakersfield, California. Organization record, active in the CMS NPPES registry since June 18, 2013.
## Identity
- **NPI:** 1528407012 (Entity type: Organization)
- **Enumerated:** June 18, 2013
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **Organization subpart:** No
- **Authorized official:** Hany Aziz, OWNER
## Practice location
- **Address:** 3805 SAN DIMAS ST, STE B, Bakersfield, CA 93301-5724
- **Phone:** (661) 326-9999 · **Fax:** (661) 326-9011
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 14 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (8), Critical Care (Intensivists) (3), Internal Medicine (2); 6 practice at this address and 10 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 18, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1528407012) · Data from the CMS NPPES public registry.