DR. MARCIA V. CASAS M.D.
NPI 1902946072
Emergency Medicine in Carmichael, CA
About Dr. Marcia V. Casas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARCIA V. CASAS M.D. (NPI 1902946072) is an individual emergency medicine provider in Carmichael, California, licensed in California (A98684) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
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. Marcia V. Casas 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 Reassignment
Medicare enrollment records show Marcia Casas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 95608 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CARMICHAEL, CA 95608
CARMICHAEL, CA 95608
CARMICHAEL, CA 95608
CARMICHAEL, CA 95608
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 Marcia Casas's NPI number?
The NPI number for Marcia Casas is 1902946072. It was assigned to this individual provider in the NPPES registry on February 7, 2007.
Where is Marcia Casas located?
Marcia Casas practices at 6501 Coyle Ave, Carmichael, CA 95608. The listed phone number is (916) 537-5000.
What is Marcia Casas's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marcia Casas enrolled in Medicare?
Yes. Marcia Casas 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 organization bills Medicare for Marcia Casas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcia Casas reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The 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 Marcia Casas'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 Marcia Casas was last updated on February 11, 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. Marcia V. Casas, M.D. · NPI 1902946072
Emergency Medicine physician in Carmichael, California. Individual provider, active in the CMS NPPES registry since February 7, 2007.
## Identity
- **NPI:** 1902946072 (Entity type: Individual)
- **Enumerated:** February 7, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A98684 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6501 COYLE AVE, Carmichael, CA 95608-0306
- **Phone:** (916) 537-5000
## 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:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** February 11, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1902946072) · Data from the CMS NPPES public registry.