MS. GISELA ROSARIO ROSARIO M.D.
NPI 1073873733
Internal Medicine - Infectious Disease in Los Angeles, CA
About Ms. Gisela Rosario Rosario M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. GISELA ROSARIO ROSARIO M.D. (NPI 1073873733) is an individual infectious disease provider in Los Angeles, California, licensed in California (A136895) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Glendale, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Ms. Gisela Rosario Rosario 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
2Medicare enrollment records show Gisela Rosario Rosario reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Glendale, CA 91206
- Reassigned Medicare billing, California enrollment
- 9 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 7
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 90048 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
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 Gisela Rosario Rosario's NPI number?
The NPI number for Gisela Rosario Rosario is 1073873733. It was assigned to this individual provider in the NPPES registry on May 29, 2012. The provider is also known as Dr. Gisela Rosario Rosario MD.
Where is Gisela Rosario Rosario located?
Gisela Rosario Rosario practices at 8635 W 3rd St Ste 465W, Los Angeles, CA 90048. The listed phone number is (310) 358-2300.
What is Gisela Rosario Rosario's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Gisela Rosario Rosario enrolled in Medicare?
Yes. Gisela Rosario Rosario 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 Gisela Rosario Rosario's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gisela Rosario Rosario reassigns Medicare benefits to 2 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA) and Arash Alborzi MD Inc (Glendale, 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 Gisela Rosario Rosario'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 Gisela Rosario Rosario was last updated on April 27, 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.
# Ms. Gisela Rosario Rosario, M.D. · NPI 1073873733
Infectious Disease physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 29, 2012.
## Identity
- **NPI:** 1073873733 (Entity type: Individual)
- **Enumerated:** May 29, 2012
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** A136895 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8635 W 3RD ST STE 465W, Los Angeles, CA 90048-6111
- **Phone:** (310) 358-2300
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA); Arash Alborzi MD Inc (NPI 1093011934, Glendale, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** April 27, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1073873733) · Data from the CMS NPPES public registry.