DR. ROOZEHRA AISHA KHAN D.O.
NPI 1437478245
Internal Medicine - Critical Care Medicine in Los Angeles, CA
About Dr. Roozehra Aisha Khan D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROOZEHRA AISHA KHAN D.O. (NPI 1437478245) is an individual critical care medicine provider in Los Angeles, California, licensed in California (20A11158) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and is a graduate of Touro Un College Of Osteopathic Medicine, Vallejo (2008).
NPPES Registry Identity
Specialties & Licenses 2
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. Roozehra Aisha Khan D.o. 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
3Medicare enrollment records show Roozehra Khan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lancaster, CA 93534
- Reassigned Medicare billing, California enrollment
- 22 clinicians in this Medicare group
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 96 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 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
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 90089 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
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 Roozehra Khan's NPI number?
The NPI number for Roozehra Khan is 1437478245. It was assigned to this individual provider in the NPPES registry on May 19, 2010.
Where is Roozehra Khan located?
Roozehra Khan practices at 2020 Zonal Ave Ird 723, Los Angeles, CA 90089. The listed phone number is (323) 226-7923.
What is Roozehra Khan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Roozehra Khan enrolled in Medicare?
Yes. Roozehra Khan 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 Roozehra Khan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roozehra Khan reassigns Medicare benefits to 3 organizations: Av Critical Care Inc (Lancaster, CA), Critical Care Physicians Of Illinois LLC (Aurora, IL) and Central Dupage Physician Group (Carol Stream, IL). 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 Roozehra Khan'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 Roozehra Khan was last updated on October 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Roozehra Aisha Khan, D.O. · NPI 1437478245
Critical Care Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 19, 2010.
## Identity
- **NPI:** 1437478245 (Entity type: Individual)
- **Enumerated:** May 19, 2010
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 20A11158 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2020 ZONAL AVE, IRD 723, Los Angeles, CA 90089-0121
- **Phone:** (323) 226-7923
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Av Critical Care Inc (NPI 1144723800, Lancaster, CA); Critical Care Physicians Of Illinois LLC (NPI 1508134966, Aurora, IL); Central Dupage Physician Group (NPI 1033149844, Carol Stream, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Touro Un College Of Osteopathic Medicine, Vallejo, class of 2008
## Record status
- **NPPES last updated:** October 13, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1437478245) · Data from the CMS NPPES public registry.