MONTSERRAT JOAN ASTORINO OD
NPI 1811540198
Optometrist in Berkeley, CA
About Montserrat Joan Astorino Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONTSERRAT JOAN ASTORINO OD (NPI 1811540198) is an individual optometrist in Berkeley, California, licensed in California (34269) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS and is a graduate of University Of California - School Of Optometry (2019).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Montserrat Joan Astorino 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 Montserrat Astorino reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Berkeley, CA 94702
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 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
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 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.
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 Montserrat Astorino's NPI number?
The NPI number for Montserrat Astorino is 1811540198. It was assigned to this individual provider in the NPPES registry on July 16, 2019. The provider is also known as Montserrat Joan Castaneda.
Where is Montserrat Astorino located?
Montserrat Astorino practices at 200 Minor Hall, Berkeley, CA 94720. The listed phone number is (510) 642-2020.
What is Montserrat Astorino's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Montserrat Astorino enrolled in Medicare?
Yes. Montserrat Astorino 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 Montserrat Astorino's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Montserrat Astorino reassigns Medicare benefits to 4 organizations: The West Oakland Health Council (Berkeley, CA), Permanente Medical Group Inc (Richmond, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Montserrat Astorino'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 Montserrat Astorino was last updated on May 26, 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.
# Montserrat Joan Astorino, OD · NPI 1811540198
Optometrist provider in Berkeley, California. Individual provider, active in the CMS NPPES registry since July 16, 2019.
## Identity
- **NPI:** 1811540198 (Entity type: Individual)
- **Enumerated:** July 16, 2019
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 34269 (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:** 4 organizations under Medicare reassignment (form CMS-855R): The West Oakland Health Council (NPI 1184744138, Berkeley, CA); Permanente Medical Group Inc (NPI 1235226531, Richmond, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California - School Of Optometry, class of 2019
## Record status
- **NPPES last updated:** May 26, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1811540198) · Data from the CMS NPPES public registry.