DR. MARIAH ANN SAND M.D.
NPI 1194937508
Ophthalmology in Los Angeles, CA
About Dr. Mariah Ann Sand M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIAH ANN SAND M.D. (NPI 1194937508) is an individual ophthalmology provider in Los Angeles, California, licensed in California (A116853) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2006).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
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. Mariah Ann Sand 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 Mariah Sand reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90025 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mariah Sand's NPI number?
The NPI number for Mariah Sand is 1194937508. It was assigned to this individual provider in the NPPES registry on May 6, 2007. The provider is also known as Mariah Schumacher.
Where is Mariah Sand located?
Mariah Sand practices at 1964 Westwood Blvd Ste 125, Los Angeles, CA 90025. The listed phone number is (310) 750-3820.
What is Mariah Sand's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Mariah Sand enrolled in Medicare?
Yes. Mariah Sand 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 Mariah Sand's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariah Sand reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, 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 Mariah Sand's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mariah Sand accept?
Health plans from CareSource list Mariah Sand as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mariah Sand was last updated on September 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Mariah Ann Sand, M.D. · NPI 1194937508
Ophthalmology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 6, 2007.
## Identity
- **NPI:** 1194937508 (Entity type: Individual)
- **Enumerated:** May 6, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A116853 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1964 WESTWOOD BLVD STE 125, Los Angeles, CA 90025-8405
- **Phone:** (310) 750-3820
## 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:** Southern California Permanente Medical Group (NPI 1043242563, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jefferson Medical College Of Thomas Jefferson University, class of 2006
## Record status
- **NPPES last updated:** September 26, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1194937508) · Data from the CMS NPPES public registry.