THERESA SARNO O.D.
NPI 1346231305
Optometrist in Upland, CA
About Theresa Sarno O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERESA SARNO O.D. (NPI 1346231305) is an individual optometrist in Upland, California, licensed in California (OPT12856T) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Theresa Sarno O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Theresa Sarno reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pasadena, CA 91107
- Reassigned Medicare billing, California enrollment
- 70 clinicians in this Medicare group
Signal Hill, CA 90755
- Reassigned Medicare billing, California enrollment
- 8 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 91786 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 Theresa Sarno's NPI number?
The NPI number for Theresa Sarno is 1346231305. It was assigned to this individual provider in the NPPES registry on October 31, 2005.
Where is Theresa Sarno located?
Theresa Sarno practices at 494 N Mountain Ave, Upland, CA 91786. The listed phone number is (909) 552-7200.
What is Theresa Sarno's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Theresa Sarno enrolled in Medicare?
Yes. Theresa Sarno is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Theresa Sarno's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Sarno reassigns Medicare benefits to 2 organizations: Azul Vision Inc. (Pasadena, CA) and Marsha Howard Optometric Corp (Signal Hill, 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 Theresa Sarno's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theresa Sarno accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Theresa Sarno 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 Theresa Sarno was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Theresa Sarno, O.D. · NPI 1346231305
Optometrist provider in Upland, California. Individual provider, active in the CMS NPPES registry since October 31, 2005.
## Identity
- **NPI:** 1346231305 (Entity type: Individual)
- **Enumerated:** October 31, 2005
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT12856T (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 494 N MOUNTAIN AVE, Upland, CA 91786-5178
- **Phone:** (909) 552-7200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Azul Vision Inc. (NPI 1285247528, Pasadena, CA); Marsha Howard Optometric Corp (NPI 1437892957, Signal Hill, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1346231305) · Data from the CMS NPPES public registry.