Alfredo Arrigo Sadun, M.D., PH.D.
Ophthalmology Physician · Pasadena, CA
Alfredo Arrigo Sadun, M.D., PH.D. is an ophthalmology physician with a practice address in Pasadena, California, and NPI 1841342367, issued on Jan 17, 2007. Check the license (California G46684, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alfredo Arrigo Sadun
- Credential
- M.D., PH.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G46684 CA
Self-reported in NPPES; status is on the state search - Practice location
- 625 S Fair Oaks Ave Ste 227, Pasadena, CA 91105
- Phone
- (626) 817-4747
- Enumerated
- Jan 17, 2007
- Record last updated
- Feb 13, 2025
- Fax
- (626) 817-4748
- Medicaid ID
- 00G466840 CA
- Medicare enrollment
- Enrolled (PECOS I20090817000042); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1978
- Entity
- Type 1 · individual
Also registered at 625 S Fair Oaks Ave Ste 227
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Judy ChenUveitis and Ocular Inflammatory Disease (Ophthalmology) Physician1801240916
- Ramin KarimiNeurology Physician1891255048
- Nikita Maniar, MDNeurology Physician1225547722
Verify Alfredo Arrigo Sadun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G46684Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average ophthalmology physician in 2024
191 Medicare Part D claims for 47 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Pentoxifylline56 claims
- Restasis30 claims
- Latanoprost25 claims
- Pyridostigmine Bromide20 claims
- Cyclosporine13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,874.61
2 payments; by number, the most common kind was food and beverage; the largest payer was Chiesi USA, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Jules Stein Eye Institute Medical GroupPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
Other ophthalmology physician records in California
- Sam Abbassi, MD, MSWest Hills, CA1881937720
- Richard Abbott, M.D.San Francisco, CA1346276573
- Jean-Paul Abboud, M.D., PH.D.Del Mar, CA1760776728
- Nizar Abdelfattah, MDPasadena, CA1801359393
- Parastou Abedi, MDAliso Viejo, CA1720067333
- Shahla Abedi, MDAliso Viejo, CA1467431072
- Lilit Ablabutyan, M.D.Glendale, CA1497013064
- Nathan Abraham, M.D.Valencia, CA1306224456
- James Abrams, M.D.San Bruno, CA1912903329
- Adam Abroms, MDWestlake Village, CA1497743702
Common questions
What is Alfredo Arrigo Sadun, M.D., PH.D.'s NPI number?
Alfredo Arrigo Sadun, M.D., PH.D.'s National Provider Identifier (NPI) is 1841342367, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alfredo Arrigo Sadun, M.D., PH.D. located?
The NPPES record lists a practice address at 625 S Fair Oaks Ave Ste 227, Pasadena, CA, 91105. Phone: (626) 817-4747. Providers update this record themselves, so call before visiting.
How can I verify Alfredo Arrigo Sadun, M.D., PH.D.'s license?
NPPES lists California license number G46684, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alfredo Arrigo Sadun, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Alfredo Arrigo Sadun, M.D., PH.D. had 191 Medicare Part D claims for 47 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Alfredo Arrigo Sadun, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 74.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.