Dr. Mika Sumiyoshi, MD

  • Ventura, CA
  • Pediatric otolaryngology physician
NPI1730400680PAC ID0143457846
Medicare services, 2024
74
Medicare patients, 2024
43
Part D claims, 2024
58
Publications
3
MIPS score, 2024
86
Practice address
300 Hillmont Avenue, Ventura, CA 93003
Practice phone
Call (805) 652-6075
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ventura County Medical Center

Hospital · Ventura, California

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Dr. Mika Sumiyoshi is a pediatric otolaryngology physician in Ventura, California

Dr. Sumiyoshi practices at Ventura County Medical Center in Ventura, California, part of Ventura County Health Care Agency.

Dr. Sumiyoshi's NPI, 1730400680, was assigned on June 15, 2010. Dr. Sumiyoshi graduated from Tufts University School Of Medicine in 2010. Dr. Sumiyoshi holds California license A121951.

NPI and contact details
Medicare PAC ID
0143457846
NPI enumeration date
June 15, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(805) 652-6075
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
40
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mika Sumiyoshi practices at Ventura County Medical Center in Ventura, California

Dr. Sumiyoshi's primary practice is Ventura County Medical Center, at 300 Hillmont Avenue, Ventura, CA 93003 in Ventura County. The practice phone is (805) 652-6075.

Source: Dmand AI Affiliation Data

Dr. Mika Sumiyoshi is affiliated with 3 sites of care and 2 medical groups

Dr. Sumiyoshi's primary practice is Ventura County Medical Center in Ventura, California, part of Ventura County Health Care Agency. The medical group on file is Ventura County Medical Center. Dmand AI also links Dr. Sumiyoshi to 1 more community health center, 1 therapy and rehab clinic and 1 medical group, each named with a free account. Dr. Sumiyoshi's employer is on file too: a hospital.

See all 5 affiliations for Dr. Sumiyoshi

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mika Sumiyoshi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sumiyoshi practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ventura County Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mika Sumiyoshi is one of 81 pediatric otolaryngology physicians in California

Pediatric otolaryngology is Dr. Sumiyoshi's primary specialty in the NPI Registry, under taxonomy code 207YP0228X. Dr. Sumiyoshi is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery. Dr. Sumiyoshi is licensed in California.

Specialties and state licenses

  • Pediatric otolaryngology, CaliforniaPrimaryLicense A121951 · 2012 to 2026 · taxonomy 207YP0228X

Clinical focus

Dmand AI lists chronic ear infection, ear infection, endoscopic sinus surgery, hearing loss and impairment, swimmer's ear, thyroid surgery and tinnitus among the conditions Dr. Sumiyoshi treats.

Pediatric otolaryngology physicians near Dr. Sumiyoshi

Counts of pediatric otolaryngology physicians 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. Mika Sumiyoshi billed Medicare for 74 services in 2024

CMS data shows 74 Medicare services from Dr. Sumiyoshi across 4 procedure codes in 2024, for 43 Medicare patients. Medicare paid $4,334 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202474
Medicare patients43
Paid by Medicare$4,334
Procedure codes4

Dr. Sumiyoshi's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 672024: 5813%
Tests and treatments
2023: 212024: 1624%

Dr. Sumiyoshi compared with the California median for pediatric otolaryngology physicians, 2024

  • Dr. Sumiyoshi
  • California median
Medicare services
74vs 74Close to median
Medicare patients
43vs 8046% below
Part D claims
29vs 2138% above

Medians across 45 pediatric otolaryngology physicians in California with Dmand AI profiles that report each measure.

Dr. Sumiyoshi'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. Sumiyoshi

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sumiyoshi and other pediatric otolaryngology physicians in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mika Sumiyoshi treated 43 Medicare patients in 2024, average age 70

CMS counts 43 Medicare patients who saw Dr. Sumiyoshi in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Sumiyoshi's median patient age at 12, with 45% women.

Medicare patients, 202443
Average age70
Average risk score1.79

Dr. Sumiyoshi's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Sumiyoshi's Medicare patients by sex, 2024

  • Women2353%
  • Men2047%

Chronic conditions among Dr. Sumiyoshi's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Diabetes47%
  5. Anxiety35%
  6. Mood disorders33%
  7. Depression28%
  8. Ischemic heart disease26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Sumiyoshi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 12

Patient panel by sex, all payers

  • Women45%
  • Men55%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mika Sumiyoshi wrote 58 Medicare Part D claims in 2024

In 2024, Dr. Sumiyoshi wrote 58 Medicare Part D claims for 21 patients. 100% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $292 in total drug cost. In 2023, CMS named 43 claims across 2 drugs.

Part D claims, 202458
Drugs named by CMS2
Total drug cost$292
Part D patients21

Dr. Sumiyoshi'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: 432024: 2933%

Drugs named by CMS: 2 in 2024, 2 in 2023.

See all prescribing by Dr. Sumiyoshi

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. Mika Sumiyoshi scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Sumiyoshi for performance year 2024, reported as part of a group. Dr. Sumiyoshi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sumiyoshi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Sumiyoshi's MIPS scores, performance year 2024

  • 86of 100Final score
  • 64.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Dr. Mika Sumiyoshi has 3 publications on record

Dmand AI links 3 papers to Dr. Sumiyoshi in 2006. The most frequent topics are CA-125 Antigen, Epithelium, Corneal and Membrane Proteins. Dr. Sumiyoshi's most frequent co-authors are Aditi Arvind Bhuskute, MD and Craig William Senders, MD.

Papers3

Topics Dr. Sumiyoshi writes about most

  • CA-125 Antigen
  • Epithelium, Corneal
  • Membrane Proteins

Dr. Sumiyoshi's most frequent co-authors

Recent publications by Dr. Sumiyoshi

See all 3 publications and co-authors

See who Dr. Sumiyoshi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sumiyoshi works with, so you can find a warm path to the right pediatric otolaryngology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Mika Sumiyoshi received $1,425 in industry payments from 2016 to 2025

CMS Open Payments shows 33 general payments to Dr. Sumiyoshi from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $757.

General payments to Dr. Sumiyoshi by program year, 2016 to 2025

Companies that paid Dr. Sumiyoshi the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Sumiyoshi

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Mika Sumiyoshi has 1 award and honors on record

Dmand AI lists 1 award for Dr. Sumiyoshi.

Awards and honors for Dr. Sumiyoshi

  1. Undated
    • AAO-HNS Fellow

Source: Dmand AI Professional Profile Data

Dr. Mika Sumiyoshi graduated from Tufts University School Of Medicine

Dr. Sumiyoshi graduated from Tufts University School Of Medicine in 2010. Dr. Sumiyoshi is a member of NHS.

  1. Medical schoolTufts University School Of Medicine
  2. Board certified in otolaryngologyAmerican Board of Otolaryngology - Head and Neck Surgery

Source: Dmand AI Professional Profile Data

Dr. Mika Sumiyoshi accepts plans from 16 insurance carriers

Dr. Sumiyoshi is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Sumiyoshi accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO7
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Mika Sumiyoshi'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 DataDmand AI Org Hierarchy 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Mika Sumiyoshi

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. Mika Sumiyoshi's NPI number?

Dr. Mika Sumiyoshi's NPI number is 1730400680. It was assigned on June 15, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Mika Sumiyoshi?

Dr. Mika Sumiyoshi is a pediatric otolaryngology physician in Ventura, California. The primary specialty in the NPI Registry is Pediatric Otolaryngology Physician (taxonomy code 207YP0228X).

Where does Dr. Mika Sumiyoshi practice?

Dr. Sumiyoshi practices at 300 Hillmont Avenue, Ventura, CA 93003. Dr. Sumiyoshi's primary practice is Ventura County Medical Center in Ventura, California, part of Ventura County Health Care Agency. Dmand AI also links Dr. Sumiyoshi to 1 community health center, 1 therapy and rehab clinic and 1 medical group.

What is Dr. Mika Sumiyoshi's office phone number?

The practice phone on file for Dr. Sumiyoshi is (805) 652-6075.

What is Dr. Mika Sumiyoshi's medical license number?

Dr. Sumiyoshi holds California license A121951.

Which hospitals is Dr. Mika Sumiyoshi affiliated with?

Dr. Sumiyoshi practices at Ventura County Medical Center in Ventura, California.

What medical group is Dr. Mika Sumiyoshi part of?

Dr. Sumiyoshi is linked to Ventura County Medical Center. Dmand AI links Dr. Sumiyoshi to 1 more medical group.

Does Dr. Mika Sumiyoshi accept Medicare?

Yes. CMS data shows Dr. Sumiyoshi billed Medicare for 74 services in 2024, and Dr. Sumiyoshi accepts Medicare assignment.

Does Dr. Mika Sumiyoshi offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Sumiyoshi as offering telehealth services.

What is Dr. Mika Sumiyoshi's MIPS score?

Dr. Sumiyoshi's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Mika Sumiyoshi see?

CMS counts 43 Medicare patients who saw Dr. Sumiyoshi in 2024, with an average age of 70.

Is Dr. Mika Sumiyoshi board certified?

Yes. Dr. Sumiyoshi is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery.

What services does Dr. Mika Sumiyoshi bill to Medicare?

In 2024, Dr. Sumiyoshi's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and ear, nose and throat service (92511).

Where did Dr. Mika Sumiyoshi go to medical school?

Dr. Sumiyoshi graduated from Tufts University School Of Medicine in 2010.

What drugs does Dr. Mika Sumiyoshi prescribe most?

In 2024 Medicare Part D data, Dr. Sumiyoshi's most prescribed drugs by claims were Omeprazole and Fluticasone Propionate.

Has Dr. Mika Sumiyoshi received payments from drug or device companies?

CMS Open Payments shows $1,425 in general payments to Dr. Sumiyoshi from 10 companies from 2016 to 2025. The largest total came from Stryker Corporation.

How long has Dr. Mika Sumiyoshi been practicing?

Dr. Sumiyoshi graduated from medical school in 2010, 16 years ago.

Does Dr. Mika Sumiyoshi do research?

Dmand AI links 3 publications to Dr. Sumiyoshi.

Who does Dr. Mika Sumiyoshi publish with?

Dr. Sumiyoshi's most frequent co-authors are Aditi Arvind Bhuskute, MD (1 shared paper) and Craig William Senders, MD (1 shared paper).

What insurance does Dr. Mika Sumiyoshi accept?

Dr. Sumiyoshi is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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