Dr. Ray Takaki Oyakawa, MD
- Medicare services, 2024
- 1,489
- Medicare patients, 2024
- 273
- Part D claims, 2024
- 359
- Publications
- 7
- Clinical trials
- 1
- Practice address
- 20911 Earl St, Torrance, CA 90503-4352
- Practice phone
- Call (310) 792-1010
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sharper Vision Centers
Physician office · Torrance, California
Find Dr. Oyakawa's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ray Takaki Oyakawa is an ophthalmologist in Torrance, California
Dr. Oyakawa practices at Sharper Vision Centers in Torrance, California.
Dr. Oyakawa's NPI, 1467541938, was assigned on October 12, 2006. Dr. Oyakawa graduated from UCSF School of Medicine in 1976. Dr. Oyakawa holds California license G44155.
- NPI
- 1467541938NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103729272
- NPI enumeration date
- October 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 792-1010
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ray Takaki Oyakawa practices at Sharper Vision Centers in Torrance, California
Dr. Oyakawa's primary practice is Sharper Vision Centers, at 20911 Earl St, Torrance, CA 90503-4352. The practice phone is (310) 792-1010.
- Sharper Vision Centers20911 Earl St, Torrance, CA 90503-4352Phone(310) 792-1010
Source: Dmand AI Affiliation Data
Dr. Ray Takaki Oyakawa is affiliated with 1 site of care
Dr. Oyakawa's primary practice is Sharper Vision Centers in Torrance, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ray Takaki Oyakawa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oyakawa practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharper Vision Centers | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ray Takaki Oyakawa is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Oyakawa's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Oyakawa is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Oyakawa's licenses on file in 4 states: California, North Dakota, Maryland and Florida.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- North Dakota license
- Maryland license
- Florida license
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eyelid inflammation and glaucoma among the conditions Dr. Oyakawa treats.
Ophthalmologists near Dr. Oyakawa
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ray Takaki Oyakawa billed Medicare for 1,489 services in 2024
CMS data shows 1,489 Medicare services from Dr. Oyakawa across 10 procedure codes in 2024, for 273 Medicare patients. Medicare paid $91,647 for them. Every service was in an office.
Dr. Oyakawa's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,6272024: 1,46410%
- Surgery
- 2023: 1002024: 2575%
Dr. Oyakawa compared with the California median for ophthalmologists, 2024
- Dr. Oyakawa
- California median
- Medicare services
- 1,489vs 1,07938% above
- Medicare patients
- 273vs 42135% below
- Part D claims
- 277vs 61855% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Oyakawa's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Oyakawa and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ray Takaki Oyakawa treated 273 Medicare patients in 2024, average age 79
CMS counts 273 Medicare patients who saw Dr. Oyakawa in 2024. The largest group is 75 to 84, with 117 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Oyakawa's median patient age at 74, with 53% women.
Dr. Oyakawa's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Oyakawa's Medicare patients by sex, 2024
- Women14754%
- Men12646%
Chronic conditions among Dr. Oyakawa's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis33%
- Diabetes29%
- Osteoporosis25%
- Ischemic heart disease24%
- Chronic kidney disease23%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Oyakawa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ray Takaki Oyakawa wrote 359 Medicare Part D claims in 2024
In 2024, Dr. Oyakawa wrote 359 Medicare Part D claims for 86 patients. 45% of them were for generic drugs. CMS names the drug for 277 of them, across 11 drugs with 11 or more claims each, at $42,134 in total drug cost. In 2023, CMS named 325 claims across 13 drugs.
Dr. Oyakawa's Part D claims by kind of drug, 2024
- Generic160 claims45%
- Brand-name199 claims55%
Dr. Oyakawa's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3252024: 27715%
Drugs named by CMS: 11 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ray Takaki Oyakawa scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Oyakawa for performance year 2024, reported individually. Dr. Oyakawa accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 32 procedures of cataract surgery by Dr. Oyakawa, more than 54% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Oyakawa's MIPS scores, performance year 2024
- 82of 100Final score
- 64.6of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Oyakawa ranks in Medicare procedure volume
- Cataract surgery
- 54th percentile32 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ray Takaki Oyakawa has 7 publications on record
Dmand AI links 7 papers to Dr. Oyakawa. The most frequent topics are Visual Acuity, Hemorrhage and Vitreous Body. Dr. Oyakawa has published most often in Am J Ophthalmol. Dr. Oyakawa's most frequent co-author is Thomas A. Rice, MD.
Topics Dr. Oyakawa writes about most
- Visual Acuity
- Hemorrhage
- Vitreous Body
- Cataract
- Cataract Extraction
- Diabetic Retinopathy
- Intraoperative Complications
- Lens, Crystalline
Dr. Oyakawa's most frequent co-authors
Recent publications by Dr. Oyakawa
Ophthalmology
Am J Ophthalmol
See who Dr. Oyakawa researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Oyakawa works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ray Takaki Oyakawa has worked on 1 clinical trial
Dmand AI links Dr. Oyakawa to 1 clinical trial. Conditions studied include Macular Edema and Macular Degeneration.
Conditions in Dr. Oyakawa's trials
- Macular Edema
- Macular Degeneration
Investigators on the most trials with Dr. Oyakawa
Recent clinical trials with Dr. Oyakawa
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Ray Takaki Oyakawa received $1,556 in industry payments from 2017 to 2025
CMS Open Payments shows 21 general payments to Dr. Oyakawa from 8 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 83% of the total. Valeant Pharmaceuticals International paid the most, $690.
General payments to Dr. Oyakawa by program year, 2017 to 2025
General payments to Dr. Oyakawa by kind, 2017 to 2025
- Food and beverage$1,29283%
- Travel and lodging$26417%
Companies that paid Dr. Oyakawa the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ray Takaki Oyakawa has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Oyakawa, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Oyakawa
- 2011
- CMS Stage 1 2012
- Undated
- AAO Fellow
Source: Dmand AI Professional Profile Data
Dr. Ray Takaki Oyakawa graduated from UCSF School of Medicine
Dr. Oyakawa graduated from UCSF School of Medicine in 1976. Dr. Oyakawa is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Ray Takaki Oyakawa accepts plans from 15 insurance carriers
Dr. Oyakawa is in network with 15 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Molina
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Oyakawa accepts, by number of carriers
- PPO9
- HMO7
- Medicare7
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Ray Takaki Oyakawa's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ray Takaki Oyakawa
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ray Takaki Oyakawa's NPI number?
Dr. Ray Takaki Oyakawa's NPI number is 1467541938. It was assigned on October 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ray Takaki Oyakawa?
Dr. Ray Takaki Oyakawa is an ophthalmologist in Torrance, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ray Takaki Oyakawa practice?
Dr. Oyakawa practices at 20911 Earl St, Torrance, CA 90503-4352. Dr. Oyakawa's primary practice is Sharper Vision Centers in Torrance, California.
What is Dr. Ray Takaki Oyakawa's office phone number?
The practice phone on file for Dr. Oyakawa is (310) 792-1010.
What is Dr. Ray Takaki Oyakawa's medical license number?
Dr. Oyakawa holds California license G44155, one of the licenses on file in 4 states.
Which states has Dr. Ray Takaki Oyakawa been licensed in?
Dmand AI has state licenses on file for Dr. Oyakawa in California (1981 to 2026), North Dakota (2017 to 2018), Maryland (1977 to 1983) and Florida (1980 to 1981).
Does Dr. Ray Takaki Oyakawa accept Medicare?
Yes. CMS data shows Dr. Oyakawa billed Medicare for 1,489 services in 2024, and Dr. Oyakawa accepts Medicare assignment.
What is Dr. Ray Takaki Oyakawa's MIPS score?
Dr. Oyakawa's MIPS final score for performance year 2024 is 82 out of 100, reported individually.
How many Medicare patients does Dr. Ray Takaki Oyakawa see?
CMS counts 273 Medicare patients who saw Dr. Oyakawa in 2024, with an average age of 79.
Is Dr. Ray Takaki Oyakawa board certified?
Yes. Dr. Oyakawa is board certified in ophthalmology by the American Board of Ophthalmology.
Show 8 more questionsShow fewer questions
What services does Dr. Ray Takaki Oyakawa bill to Medicare?
In 2024, Dr. Oyakawa's most billed Medicare services were eye exam or test (92012), eye exam or test (92250) and eye exam or test (92014).
Where did Dr. Ray Takaki Oyakawa go to medical school?
Dr. Oyakawa graduated from UCSF School of Medicine in 1976.
What drugs does Dr. Ray Takaki Oyakawa prescribe most?
In 2024 Medicare Part D data, Dr. Oyakawa's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Prednisolone Acetate.
Has Dr. Ray Takaki Oyakawa received payments from drug or device companies?
CMS Open Payments shows $1,556 in general payments to Dr. Oyakawa from 8 companies from 2017 to 2025. The largest total came from Valeant Pharmaceuticals International.
How long has Dr. Ray Takaki Oyakawa been practicing?
Dr. Oyakawa graduated from medical school in 1976, 50 years ago.
Does Dr. Ray Takaki Oyakawa do research?
Dmand AI links 7 publications to Dr. Oyakawa. Dr. Oyakawa has worked on 1 clinical trial.
Who does Dr. Ray Takaki Oyakawa publish with?
Dr. Oyakawa's most frequent co-authors are Thomas A. Rice, MD (2 shared papers).
What insurance does Dr. Ray Takaki Oyakawa accept?
Dr. Oyakawa is in network with 15 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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