ANNE ZIFFER MD
NPI 1922180140
Ophthalmology in Sunnyvale, CA
About Anne Ziffer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNE ZIFFER MD (NPI 1922180140) is an individual ophthalmology provider in Sunnyvale, California, licensed in California (G68887) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Anne Ziffer Md 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 Anne Ziffer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 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 94085 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 Anne Ziffer's NPI number?
The NPI number for Anne Ziffer is 1922180140. It was assigned to this individual provider in the NPPES registry on October 19, 2006.
Where is Anne Ziffer located?
Anne Ziffer practices at 323-325 North Mathilda Avenue, Sunnyvale, CA 94085. The listed phone number is (408) 524-5900.
What is Anne Ziffer's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Anne Ziffer enrolled in Medicare?
Yes. Anne Ziffer 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 Anne Ziffer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anne Ziffer reassigns Medicare benefits to Sutter Bay Medical Foundation (Palo Alto, 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 Anne Ziffer'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 Anne Ziffer was last updated on January 4, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Anne Ziffer, MD · NPI 1922180140
Ophthalmology physician in Sunnyvale, California. Individual provider, active in the CMS NPPES registry since October 19, 2006.
## Identity
- **NPI:** 1922180140 (Entity type: Individual)
- **Enumerated:** October 19, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** G68887 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 323-325 NORTH MATHILDA AVENUE, Sunnyvale, CA 94085
- **Phone:** (408) 524-5900
## 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:** Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 1986
## Record status
- **NPPES last updated:** January 4, 2012
- **Other identifiers:** Other G68887 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1922180140) · Data from the CMS NPPES public registry.