Dr. Brien Windus Tonkinson, MD

  • Fresno, CA
  • Otolaryngologist
NPI1376691683PAC ID0749468619
Medicare services, 2024
397
Medicare patients, 2024
217
Part D claims, 2024
285
MIPS score, 2024
88
Hospital affiliations
1
Practice address
2615 E Clinton Ave, Fresno, CA 93703
Practice phone
Call (559) 225-6100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fresno VA

Fresno, California

See all 4 affiliations

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Dr. Brien Windus Tonkinson is an otolaryngologist in Fresno, California

Dr. Tonkinson practices at Fresno VA in Fresno, California.

Dr. Tonkinson's NPI, 1376691683, was assigned on January 5, 2007. Dr. Tonkinson holds Florida license ME74727.

NPI and contact details
Medicare PAC ID
0749468619
NPI enumeration date
January 5, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(559) 225-6100
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

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

Dr. Brien Windus Tonkinson practices at Fresno VA in Fresno, California

Dr. Tonkinson's primary practice is Fresno VA, at 2615 E Clinton Ave, Fresno, CA 93703 in Fresno County. The practice phone is (559) 225-6100.

  • Fresno VA
    2615 E Clinton Ave, Fresno, CA 93703 · Fresno CountyPhone(559) 225-6100

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Brien Windus Tonkinson is affiliated with 3 sites of care and 1 medical group

Dr. Tonkinson's primary practice is Fresno VA in Fresno, California. Dr. Tonkinson is also affiliated with Lower Keys Medical Center. The medical group on file is Keys Medical Group. Dmand AI also links Dr. Tonkinson to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Tonkinson

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Brien Windus Tonkinson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tonkinson practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fresno VAAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brien Windus Tonkinson is one of 1,107 otolaryngologists in California

Otolaryngology is Dr. Tonkinson's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dmand AI has Dr. Tonkinson's licenses on file in 2 states: Florida and California.

Specialties and state licenses

  • Otolaryngology, FloridaPrimaryLicense ME74727 · taxonomy 207Y00000X
  • California licenseLicense C54644

Otolaryngologists near Dr. Tonkinson

Counts of otolaryngologists 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. Brien Windus Tonkinson billed Medicare for 397 services in 2024

CMS data shows 397 Medicare services from Dr. Tonkinson across 6 procedure codes in 2024, for 217 Medicare patients. Medicare paid $38,653 for them. Every service was in an office.

Medicare services, 2024397
Medicare patients217
Paid by Medicare$38,653
Procedure codes6

Dr. Tonkinson's Medicare services by type, 2021 to 2024

  • 2021
  • 2024
Office and hospital visits
2021: 4372024: 29732%
Surgery
2021: 1612024: 10038%
Imaging
2021: 932024: 0100%
Tests and treatments
2021: 432024: 0100%

Dr. Tonkinson compared with the California median for otolaryngologists, 2024

  • Dr. Tonkinson
  • California median
Medicare services
397vs 66640% below
Medicare patients
217vs 29627% below
Part D claims
242vs 1182.1 times

Medians across 1,045 otolaryngologists in California with Dmand AI profiles that report each measure.

Dr. Tonkinson'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. Tonkinson

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

Dr. Brien Windus Tonkinson treated 217 Medicare patients in 2024, average age 73

CMS counts 217 Medicare patients who saw Dr. Tonkinson in 2024. The largest group is 65 to 74, with 113 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Tonkinson's median patient age at 61, with 45% women.

Medicare patients, 2024217
Average age73
Average risk score1.00
Also on Medicaid13%

Dr. Tonkinson's Medicare patients by age, 2024

Dr. Tonkinson's Medicare patients by sex, 2024

  • Women10950%
  • Men10850%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis41%
  4. Ischemic heart disease35%
  5. Anxiety29%
  6. Mood disorders23%
  7. Depression21%
  8. Diabetes20%

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

Dr. Tonkinson's patients across all payers

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

Patient panel by age, all payers

Median age 61

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. Brien Windus Tonkinson wrote 285 Medicare Part D claims in 2024

In 2024, Dr. Tonkinson wrote 285 Medicare Part D claims for 131 patients. 99% of them were for generic drugs. CMS names the drug for 242 of them, across 7 drugs with 11 or more claims each, at $5,823 in total drug cost. In 2022, CMS named 49 claims across 3 drugs.

Part D claims, 2024285
Drugs named by CMS7
Total drug cost$5,823
Part D patients131

Dr. Tonkinson's Part D claims by kind of drug, 2024

  • Generic281 claims99%
  • Brand-name and other4 claims1%

Dr. Tonkinson'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.

Drug classes CMS tracks in Dr. Tonkinson's Part D claims, 2024

  • Opioids5%15 of 285 claims
  • Antibiotics11%31 of 285 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 492024: 242394%

Drugs named by CMS: 7 in 2024, 3 in 2022.

See all prescribing by Dr. Tonkinson

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. Brien Windus Tonkinson scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Tonkinson for performance year 2024, reported through an alternative payment model (APM). Dr. Tonkinson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Tonkinson's MIPS scores, performance year 2024

  • 88of 100Final score
  • 71of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

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. Brien Windus Tonkinson received $787 in industry payments from 2016 to 2025

CMS Open Payments shows 18 general payments to Dr. Tonkinson from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 74% of the total. Medical Device Business Services, Inc. paid the most, $237.

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

General payments to Dr. Tonkinson by kind, 2016 to 2025

$787in total
  • Food and beverage$57974%
  • Travel and lodging$20826%

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

Share is of all general payments to this clinician.

See all payments to Dr. Tonkinson

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

Sources for Dr. Brien Windus Tonkinson'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Brien Windus Tonkinson

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. Brien Windus Tonkinson's NPI number?

Dr. Brien Windus Tonkinson's NPI number is 1376691683. It was assigned on January 5, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Brien Windus Tonkinson?

Dr. Brien Windus Tonkinson is an otolaryngologist in Fresno, California. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).

Where does Dr. Brien Windus Tonkinson practice?

Dr. Tonkinson practices at 2615 E Clinton Ave, Fresno, CA 93703. Dr. Tonkinson's primary practice is Fresno VA in Fresno, California. Dmand AI also links Dr. Tonkinson to 1 group practice or clinic.

What is Dr. Brien Windus Tonkinson's office phone number?

The practice phone on file for Dr. Tonkinson is (559) 225-6100.

What is Dr. Brien Windus Tonkinson's medical license number?

Dr. Tonkinson holds Florida license ME74727, one of the licenses on file in 2 states.

Which states has Dr. Brien Windus Tonkinson been licensed in?

Dmand AI has state licenses on file for Dr. Tonkinson in Florida and California.

Which hospitals is Dr. Brien Windus Tonkinson affiliated with?

Dr. Tonkinson is affiliated with Lower Keys Medical Center.

What medical group is Dr. Brien Windus Tonkinson part of?

Dr. Tonkinson is linked to Keys Medical Group.

Does Dr. Brien Windus Tonkinson accept Medicare?

Yes. CMS data shows Dr. Tonkinson billed Medicare for 397 services in 2024, and Dr. Tonkinson accepts Medicare assignment.

What is Dr. Brien Windus Tonkinson's MIPS score?

Dr. Tonkinson's MIPS final score for performance year 2024 is 88 out of 100, reported through an alternative payment model (APM).

Show 5 more questionsShow fewer questions

How many Medicare patients does Dr. Brien Windus Tonkinson see?

CMS counts 217 Medicare patients who saw Dr. Tonkinson in 2024, with an average age of 73.

What services does Dr. Brien Windus Tonkinson bill to Medicare?

In 2024, Dr. Tonkinson's most billed Medicare services were office visit, new patient (99203), surgery: lungs and airway (31575) and office visit, new patient (99204).

What drugs does Dr. Brien Windus Tonkinson prescribe most?

In 2024 Medicare Part D data, Dr. Tonkinson's most prescribed drugs by claims were Fluticasone Propionate, Esomeprazole Magnesium and Clindamycin HCl.

Has Dr. Brien Windus Tonkinson received payments from drug or device companies?

CMS Open Payments shows $787 in general payments to Dr. Tonkinson from 12 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.

How long has Dr. Brien Windus Tonkinson been practicing?

Dr. Tonkinson graduated from medical school in 1995, 31 years ago.

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