Dr. Ray Takaki Oyakawa, MD

  • Torrance, CA
  • Ophthalmologist
NPI1467541938PAC ID6103729272
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
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Mobile number
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Social profiles

Primary practice

Sharper Vision Centers

Physician office · Torrance, California

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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 and contact details
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
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Mobile number
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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 Centers
    20911 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.

Sharper Vision CentersPhysician office · Torrance, CaliforniaPrimary

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.

EHR by site
SiteEHR vendor and product
Sharper Vision CentersAvailable 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, CaliforniaPrimaryLicense G44155 · 1981 to 2026 · taxonomy 207W00000X
  • North Dakota license2017 to 2018
  • Maryland license1977 to 1983
  • Florida license1980 to 1981

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.

Medicare services, 20241,489
Medicare patients273
Paid by Medicare$91,647
Procedure codes10

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.

See all procedures by Dr. Oyakawa

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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.

Medicare patients, 2024273
Average age79
Average risk score0.99
Also on Medicaid5%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis33%
  4. Diabetes29%
  5. Osteoporosis25%
  6. Ischemic heart disease24%
  7. Chronic kidney disease23%
  8. 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.

Part D claims, 2024359
Drugs named by CMS11
Total drug cost$42,134
Part D patients86

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.

See all prescribing by Dr. Oyakawa

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.

Papers7

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

See all 7 publications and co-authors

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.

How network discovery works

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

$1.6Kin total
  • 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.

See all payments to Dr. Oyakawa

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

  1. 2011
    • CMS Stage 1 2012
  2. 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.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in ophthalmologyAmerican Board of 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

  1. PPO9
  2. HMO7
  3. Medicare7
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Ray Takaki Oyakawa's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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