MARYAM NASSIRI TOUSI
NPI 1871258210
Optometrist in Berkeley, CA
About Maryam Nassiri Tousi NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYAM NASSIRI TOUSI (NPI 1871258210) is an individual optometrist in Berkeley, California, licensed in California (35033) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
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 and accepts Medicare assignment
Maryam Nassiri Tousi 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
6Medicare enrollment records show Maryam Nassiri Tousi reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Berkeley, CA 94720
- Reassigned Medicare billing, California enrollment
- 96 clinicians in this Medicare group
Oakland, CA 94602
- Reassigned Medicare billing, California enrollment
- 900 clinicians in this Medicare group
San Francisco, CA 94108
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: City & County Of San Francisco
- 1,573 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 127 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 9
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 94720 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BERKELEY, CA 94720
BERKELEY, CA 94720
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 Maryam Nassiri Tousi's NPI number?
The NPI number for Maryam Nassiri Tousi is 1871258210. It was assigned to this individual provider in the NPPES registry on November 1, 2021.
Where is Maryam Nassiri Tousi located?
Maryam Nassiri Tousi practices at 200 Minor Hall, Berkeley, CA 94720. The listed phone number is (510) 642-2020.
What is Maryam Nassiri Tousi's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Maryam Nassiri Tousi enrolled in Medicare?
Yes. Maryam Nassiri Tousi 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 Maryam Nassiri Tousi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maryam Nassiri Tousi reassigns Medicare benefits to 6 organizations: Regents Of The University Of California At Berkeley (Berkeley, CA), Alameda Health System (Oakland, CA), City And Couny Of San Francisco (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and 1 more organization, listed in the Medicare section above. 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 Maryam Nassiri Tousi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maryam Nassiri Tousi accept?
Health plans from Anthem Blue Cross and Blue Shield and Providence Health Plan list Maryam Nassiri Tousi 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 Maryam Nassiri Tousi was last updated on November 1, 2021. 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.
# Maryam Nassiri Tousi · NPI 1871258210
Optometrist provider in Berkeley, California. Individual provider, active in the CMS NPPES registry since November 1, 2021.
## Identity
- **NPI:** 1871258210 (Entity type: Individual)
- **Enumerated:** November 1, 2021
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 35033 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 MINOR HALL, Berkeley, CA 94720-0001
- **Phone:** (510) 642-2020
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California At Berkeley (NPI 1306908058, Berkeley, CA); Alameda Health System (NPI 1740332931, Oakland, CA); City And Couny Of San Francisco (NPI 1164613832, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** November 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1871258210) · Data from the CMS NPPES public registry.