DR. RYAN TSAIN MARR OD
NPI 1235857525
Optometrist in San Diego, CA
About Dr. Ryan Tsain Marr Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN TSAIN MARR OD (NPI 1235857525) is an individual optometrist in San Diego, California, licensed in California (35302) and active in the NPI registry since August 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
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. Ryan Tsain Marr Od 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
4Medicare enrollment records show Ryan Marr reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92126
- Reassigned Medicare billing, California enrollment
- 41 clinicians in this Medicare group
Santee, CA 92071
- Reassigned Medicare billing, California enrollment
- 577 clinicians in this Medicare group
Chula Vista, CA 91911
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Alpine, CA 91901
- Reassigned Medicare billing, Texas enrollment
- 33 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 92126 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ryan Marr's NPI number?
The NPI number for Ryan Marr is 1235857525. It was assigned to this individual provider in the NPPES registry on August 22, 2022.
Where is Ryan Marr located?
Ryan Marr practices at 10737 Camino Ruiz Ste 140, San Diego, CA 92126. The listed phone number is (844) 200-2426.
What is Ryan Marr's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Ryan Marr enrolled in Medicare?
Yes. Ryan Marr 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 Ryan Marr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Marr reassigns Medicare benefits to 4 organizations: Operation Samahan, Inc. (San Diego, CA), Centro De Salud De La Comunidad De San Ysidro, Inc. (Santee, CA), California Retina Associates, LP (Chula Vista, CA) and Southern Indian Health Council (Alpine, 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 Ryan Marr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Marr accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Providence Health Plan list Ryan Marr 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 Ryan Marr was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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. Ryan Tsain Marr, OD · NPI 1235857525
Optometrist provider in San Diego, California. Individual provider, active in the CMS NPPES registry since August 22, 2022.
## Identity
- **NPI:** 1235857525 (Entity type: Individual)
- **Enumerated:** August 22, 2022
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 35302 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10737 CAMINO RUIZ STE 140, San Diego, CA 92126-2371
- **Phone:** (844) 200-2426
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Operation Samahan, Inc. (NPI 1871680397, San Diego, CA); Centro De Salud De La Comunidad De San Ysidro, Inc. (NPI 1376184911, Santee, CA); California Retina Associates, LP (NPI 1114033404, Chula Vista, CA); Southern Indian Health Council (NPI 1346247947, Alpine, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** September 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1235857525) · Data from the CMS NPPES public registry.