DR. KARIM TADLAOUI M.D.
NPI 1164695037
Internal Medicine - Critical Care Medicine in Riverside, CA
About Dr. Karim Tadlaoui M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARIM TADLAOUI M.D. (NPI 1164695037) is an individual critical care medicine provider in Riverside, California, licensed in California (A109771) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Oxnard, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Karim Tadlaoui M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Karim Tadlaoui reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92505
- Reassigned Medicare billing, California enrollment
- 114 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Fullerton, CA 92831
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Montebello, CA 90640
- Reassigned Medicare billing, California enrollment
- 126 clinicians in this Medicare group
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 31 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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 Karim Tadlaoui's NPI number?
The NPI number for Karim Tadlaoui is 1164695037. It was assigned to this individual provider in the NPPES registry on April 10, 2008.
Where is Karim Tadlaoui located?
Karim Tadlaoui practices at 4234 Riverwalk Parkway, Suite 230 Pacific Pulmonary Medical Group, Riverside, CA 92505. The listed phone number is (951) 781-3672.
What is Karim Tadlaoui's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Karim Tadlaoui enrolled in Medicare?
Yes. Karim Tadlaoui is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Karim Tadlaoui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karim Tadlaoui reassigns Medicare benefits to 5 organizations: El-Bershawi Medical Corp (Riverside, CA), Inpatient Specialists Of California, PC (San Bernardino, CA), Saadah Alrajab MD Mph Inc (Fullerton, CA), Cep America - Intensivists PC (Montebello, CA) and West Coast Critical Care Specialists, Inc. (Oxnard, CA). Each 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 Karim Tadlaoui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karim Tadlaoui was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Karim Tadlaoui, M.D. · NPI 1164695037
Critical Care Medicine physician in Riverside, California. Individual provider, active in the CMS NPPES registry since April 10, 2008.
## Identity
- **NPI:** 1164695037 (Entity type: Individual)
- **Enumerated:** April 10, 2008
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** A109771 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4234 RIVERWALK PARKWAY, SUITE 230, PACIFIC PULMONARY MEDICAL GROUP, Riverside, CA 92505
- **Phone:** (951) 781-3672 · **Fax:** (951) 781-3605
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): El-Bershawi Medical Corp (NPI 1386813103, Riverside, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); Saadah Alrajab MD Mph Inc (NPI 1992127393, Fullerton, CA); Cep America - Intensivists PC (NPI 1841070786, Montebello, CA); West Coast Critical Care Specialists, Inc. (NPI 1861707770, Oxnard, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1164695037) · Data from the CMS NPPES public registry.