Kevin Mitsutoshi Gustafson, MD
Ophthalmology Physician · Santa Ana, CA
Kevin Mitsutoshi Gustafson, MD is an ophthalmology physician with a practice address in Santa Ana, California, and NPI 1093210981, issued on Mar 24, 2018. Check the license (California A165714, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kevin Mitsutoshi Gustafson
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A165714 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3401 S Harbor Blvd, Santa Ana, CA 92704
- Phone
- (888) 988-2800
- Enumerated
- Mar 24, 2018
- Record last updated
- Oct 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20220525002490); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 3401 S Harbor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amir AbdoPharmacist1275411969
- Noor Amra, M.D.Ophthalmology Physician1639336365
- An AuPharmacist1821536855
- Sheila Bazzaz, M.D.Ophthalmology Physician1831140953
- Maninder Brar, FNP-CFamily Nurse Practitioner1194517292
- Kacey Chaldu, M.D.Student in an Organized Health Care Education/Training Program1730440868
Verify Kevin Mitsutoshi Gustafson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A165714Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average ophthalmology physician in 2024
2,785 Medicare Part D claims for 888 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Latanoprost684 claims
- Dorzolamide-Timolol458 claims
- Brimonidine Tartrate435 claims
- Prednisolone Acetate435 claims
- Timolol Maleate127 claims
- Rhopressa104 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupMission Viejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kevin Mitsutoshi Gustafson among 2,899 ophthalmology physician records in California
Kevin Mitsutoshi Gustafson, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2001 among the 1,907 with a school on file
- Record last updated2023 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Santa Ana → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Noor Amra, M.D.Santa Ana, CA 927041639336365
- Sheila Bazzaz, M.D.Santa Ana, CA 927041831140953
- Rose Cunningham-Ahumada, D.O.Santa Ana, CA 927041811996523
- Kenneth Krantz, MDSanta Ana, CA 927041982629192
- Elizabeth Yang, M.D.Santa Ana, CA 927041679865257
- Paul Brailsford, M.D.Santa Ana, CA 927051770543118
- Sanford Chen, M.D.Santa Ana, CA 927051427051994
- Richard Hill, M.D.Santa Ana, CA 927051255482055
Common questions
What is Kevin Mitsutoshi Gustafson, MD's NPI number?
Kevin Mitsutoshi Gustafson, MD's National Provider Identifier (NPI) is 1093210981, issued on Mar 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Kevin Mitsutoshi Gustafson, MD located?
The NPPES record lists a practice address at 3401 S Harbor Blvd, Santa Ana, CA, 92704. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Kevin Mitsutoshi Gustafson, MD's license?
NPPES lists California license number A165714, 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 Kevin Mitsutoshi Gustafson, MD prescribe under Medicare Part D?
In 2024, Kevin Mitsutoshi Gustafson, MD had 2,785 Medicare Part D claims for 888 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
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.