Irene F. Sasaki, M.D.
Ophthalmology Physician · Long Beach, CA
Irene F. Sasaki, M.D. is an ophthalmology physician with a practice address in Long Beach, California, and NPI 1245234178, issued on Jun 9, 2005. Check the license (California G57272, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Irene F. Sasaki
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G57272 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3900 Long Beach Blvd, Long Beach, CA 90807
- Phone
- (562) 988-8660
- Enumerated
- Jun 9, 2005
- Record last updated
- Mar 17, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (562) 988-8660
- Medicaid ID
- 00G725720 CA
- Medicare enrollment
- Enrolled (PECOS I20110120000115); accepts Medicare assignment
- Medical or professional school
- Medical College Of Pennsylvania, 1990
- Entity
- Type 1 · individual
Also registered at 3900 Long Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alma Fuentes, ODOptometrist1316493158
- Shalu Gupta, M.D.Ophthalmology Physician1518187202
- Audrey Mok, MDOphthalmology Physician1134188519
Verify Irene F. Sasaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G57272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average ophthalmology physician in 2024
3,696 Medicare Part D claims for 618 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Latanoprost404 claims
- Brimonidine Tartrate393 claims
- Prednisolone Acetate347 claims
- Dorzolamide-Timolol290 claims
- Timolol Maleate278 claims
- Moxifloxacin256 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,041.51
82 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Eye Treatment Center, AN Incorporated Medical Group, IncLong Beach, 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 Irene F. Sasaki, M.D.'s NPI number?
Irene F. Sasaki, M.D.'s National Provider Identifier (NPI) is 1245234178, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Irene F. Sasaki, M.D. located?
The NPPES record lists a practice address at 3900 Long Beach Blvd, Long Beach, CA, 90807. Phone: (562) 988-8660. Providers update this record themselves, so call before visiting.
How can I verify Irene F. Sasaki, M.D.'s license?
NPPES lists California license number G57272, 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 Irene F. Sasaki, M.D. prescribe under Medicare Part D?
In 2024, Irene F. Sasaki, M.D. had 3,696 Medicare Part D claims for 618 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Irene F. Sasaki, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.