ALFREDO ARRIGO SADUN M.D., PH.D.
NPI 1841342367
Ophthalmology in Pasadena, CA
About Alfredo Arrigo Sadun M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALFREDO ARRIGO SADUN M.D., PH.D. (NPI 1841342367) is an individual ophthalmology provider in Pasadena, California, licensed in California (G46684) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Alfredo Arrigo Sadun M.d., Ph.d. 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 Alfredo Sadun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 123 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 5
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 91105 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PASADENA, CA 91105
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 Alfredo Sadun's NPI number?
The NPI number for Alfredo Sadun is 1841342367. It was assigned to this individual provider in the NPPES registry on January 17, 2007.
Where is Alfredo Sadun located?
Alfredo Sadun practices at 625 S Fair Oaks Ave Ste 227, Pasadena, CA 91105. The listed phone number is (626) 817-4747.
What is Alfredo Sadun's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Alfredo Sadun enrolled in Medicare?
Yes. Alfredo Sadun 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 Alfredo Sadun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alfredo Sadun reassigns Medicare benefits to Jules Stein Eye Institute Medical Group (Los Angeles, 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 Alfredo Sadun'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 Alfredo Sadun was last updated on February 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Alfredo Arrigo Sadun, M.D., PH.D. · NPI 1841342367
Ophthalmology physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since January 17, 2007.
## Identity
- **NPI:** 1841342367 (Entity type: Individual)
- **Enumerated:** January 17, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** G46684 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 625 S FAIR OAKS AVE STE 227, Pasadena, CA 91105-2688
- **Phone:** (626) 817-4747 · **Fax:** (626) 817-4748
## 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:** Jules Stein Eye Institute Medical Group (NPI 1326006966, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 1978
## Record status
- **NPPES last updated:** February 13, 2025
- **Other identifiers:** Medicaid 00G466840 (CA); Other 00G466840 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1841342367) · Data from the CMS NPPES public registry.