Dr. William I. Dillon, MD

  • Bowling Green, OH
  • Dermatologist
NPI1013093574PAC ID5496731663
Medicare services, 2024
10,959
Medicare patients, 2024
1,601
Part D claims, 2024
787
Publications
1
MIPS score, 2024
54
Practice address
1037 Conneaut Ave, Bowling Green, OH 43402
Practice phone
Call (419) 373-6046
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Dillon Dermatology

Dermatology practice · Bowling Green, Ohio

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Dr. William I. Dillon is a dermatologist in Bowling Green, Ohio

Dr. Dillon practices at Dillon Dermatology in Bowling Green, Ohio.

Dr. Dillon's NPI, 1013093574, was assigned on October 27, 2006. Dr. Dillon graduated from University Of Michigan Medical School in 1988. Dr. Dillon holds Ohio license 35064057D.

NPI and contact details
Medicare PAC ID
5496731663
NPI enumeration date
October 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(419) 373-6046
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

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

Dr. William I. Dillon practices at Dillon Dermatology in Bowling Green, Ohio

Dr. Dillon's primary practice is Dillon Dermatology, at 1037 Conneaut Ave, Bowling Green, OH 43402. The practice phone is (419) 373-6046.

  • Dillon Dermatology
    1037 Conneaut Ave, Bowling Green, OH 43402Phone(419) 373-6046

Source: Dmand AI Affiliation Data

Dr. William I. Dillon is affiliated with 2 sites of care and 1 medical group

Dr. Dillon's primary practice is Dillon Dermatology in Bowling Green, Ohio. Dr. Dillon is also affiliated with Wood County Hospital. The medical group on file is Dillon Dermatology.

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. William I. Dillon's practice

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

EHR by site
SiteEHR vendor and product
Dillon DermatologyAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. William I. Dillon is one of 476 dermatologists in Ohio

Dermatology is Dr. Dillon's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Dillon is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Dillon's licenses on file in 2 states: Ohio and Michigan.

Specialties and state licenses

  • Dermatology, OhioPrimaryLicense 35064057D · 1992 to 2027 · taxonomy 207N00000X
  • Michigan license1990 to 2018

Clinical focus

Dmand AI lists acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, cold sores or genital herpes, contact dermatitis, hives, itchy rashes and joint cyst among the conditions Dr. Dillon treats.

Dermatologists near Dr. Dillon

Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.

476dermatologists in Ohio
2dermatologists in Bowling Green

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William I. Dillon billed Medicare for 10,959 services in 2024

CMS data shows 10,959 Medicare services from Dr. Dillon across 28 procedure codes in 2024, for 1,601 Medicare patients. Medicare paid $462,510 for them. Every service was in an office.

Medicare services, 202410,959
Medicare patients1,601
Paid by Medicare$462,510
Procedure codes28

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

  • 2023
  • 2024
Surgery
2023: 9,0672024: 8,3518%
Office and hospital visits
2023: 2,5182024: 2,4871%
Drugs given in the office
2023: 1332024: 10124%
Tests and treatments
2023: 322024: 2038%

Dr. Dillon compared with the Ohio median for dermatologists, 2024

  • Dr. Dillon
  • Ohio median
Medicare services
10,959vs 1,8346.0 times
Medicare patients
1,601vs 4903.3 times
Part D claims
634vs 53618% above

Medians across 478 dermatologists in Ohio with Dmand AI profiles that report each measure.

Dr. Dillon'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. Dillon

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dillon and other dermatologists in Ohio.

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

Dr. William I. Dillon treated 1,601 Medicare patients in 2024, average age 77

CMS counts 1,601 Medicare patients who saw Dr. Dillon in 2024. The largest group is 65 to 74, with 665 patients. 74% of them have high cholesterol, and 72% have high blood pressure. 1% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Dillon's median patient age at 70, with 51% women.

Medicare patients, 20241,601
Average age77
Average risk score0.95
Also on Medicaid1%

Dr. Dillon's Medicare patients by age, 2024

Dr. Dillon's Medicare patients by sex, 2024

  • Women77248%
  • Men82952%

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

  1. High cholesterol74%
  2. High blood pressure72%
  3. Arthritis44%
  4. Diabetes23%
  5. Ischemic heart disease23%
  6. Chronic kidney disease20%
  7. Anxiety16%
  8. Atrial fibrillation16%

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

Dr. Dillon's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women51%
  • Men47%

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

Dr. William I. Dillon wrote 787 Medicare Part D claims in 2024

In 2024, Dr. Dillon wrote 787 Medicare Part D claims for 316 patients. 94% of them were for generic drugs. CMS names the drug for 634 of them, across 20 drugs with 11 or more claims each, at $27,408 in total drug cost. In 2023, CMS named 485 claims across 18 drugs.

Part D claims, 2024787
Drugs named by CMS20
Total drug cost$27,408
Part D patients316

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

  • Generic738 claims94%
  • Brand-name49 claims6%

Dr. Dillon'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. Dillon's Part D claims, 2024

  • Antibiotics15%116 of 787 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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4852024: 63431%

Drugs named by CMS: 20 in 2024, 18 in 2023.

See all prescribing by Dr. Dillon

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. William I. Dillon scored 54 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 54 out of 100 for Dr. Dillon for performance year 2024, reported as part of a group. Dr. Dillon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 2,443 procedures of removal of skin lesions by Dr. Dillon, more than 98% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Dillon's MIPS scores, performance year 2024

  • 54of 100Final score
  • 0of 100Quality
  • 40of 100Improvement Activities
  • 81of 100Cost

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

Where Dr. Dillon ranks in Medicare procedure volume

Removal of skin lesions
98th percentile2,443 procedures
Skin biopsy
95th percentile456 procedures
Removal of skin cancer
44th percentile311 procedures
Melanoma (skin cancer) excision
97th percentile201 procedures
Removal or shaving of skin growth
77th percentile39 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. William I. Dillon has 1 publication on record

Dmand AI links 1 paper to Dr. Dillon.

Papers1

Recent publications by Dr. Dillon

See all 1 publications and co-authors

See who Dr. Dillon researches with

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

How network discovery works

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

Dr. William I. Dillon received $587 in industry payments from 2017 to 2025

CMS Open Payments shows 9 general payments to Dr. Dillon from 7 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 83% of the total. Genentech, Inc. paid the most, $156.

General payments to Dr. Dillon by program year, 2017 to 2025

General payments to Dr. Dillon by kind, 2017 to 2025

$587in total
  • Food and beverage$48883%
  • Education$9917%

Companies that paid Dr. Dillon the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Dillon

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

Dr. William I. Dillon has 1 award and honors on record

Dmand AI lists 1 award for Dr. Dillon.

Awards and honors for Dr. Dillon

  1. Undated
    • AAD Fellow

Source: Dmand AI Professional Profile Data

Dr. William I. Dillon graduated from University Of Michigan Medical School

Dr. Dillon graduated from University Of Michigan Medical School in 1988. Dr. Dillon is a member of AAD, ASDS and OSMA.

  1. Medical schoolUniversity Of Michigan Medical School
  2. Board certified in dermatologyAmerican Board of Dermatology

Source: Dmand AI Professional Profile Data

Dr. William I. Dillon accepts plans from 16 insurance carriers

Dr. Dillon is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Medical Mutual of Ohio
  • +8 more carriersWith a free account

Plan types Dr. Dillon accepts, by number of carriers

  1. PPO11
  2. HMO8
  3. Medicare8
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. William I. Dillon'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
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. William I. Dillon

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. William I. Dillon's NPI number?

Dr. William I. Dillon's NPI number is 1013093574. It was assigned on October 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William I. Dillon?

Dr. William I. Dillon is a dermatologist in Bowling Green, Ohio. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. William I. Dillon practice?

Dr. Dillon practices at 1037 Conneaut Ave, Bowling Green, OH 43402. Dr. Dillon's primary practice is Dillon Dermatology in Bowling Green, Ohio.

What is Dr. William I. Dillon's office phone number?

The practice phone on file for Dr. Dillon is (419) 373-6046.

What is Dr. William I. Dillon's medical license number?

Dr. Dillon holds Ohio license 35064057D, one of the licenses on file in 2 states.

Which states has Dr. William I. Dillon been licensed in?

Dmand AI has state licenses on file for Dr. Dillon in Ohio (1992 to 2027) and Michigan (1990 to 2018).

Which hospitals is Dr. William I. Dillon affiliated with?

Dr. Dillon is affiliated with Wood County Hospital.

What medical group is Dr. William I. Dillon part of?

Dr. Dillon is linked to Dillon Dermatology.

Does Dr. William I. Dillon accept Medicare?

Yes. CMS data shows Dr. Dillon billed Medicare for 10,959 services in 2024, and Dr. Dillon accepts Medicare assignment.

What is Dr. William I. Dillon's MIPS score?

Dr. Dillon's MIPS final score for performance year 2024 is 54 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. William I. Dillon see?

CMS counts 1,601 Medicare patients who saw Dr. Dillon in 2024, with an average age of 77.

Is Dr. William I. Dillon board certified?

Yes. Dr. Dillon is board certified in dermatology by the American Board of Dermatology.

What services does Dr. William I. Dillon bill to Medicare?

In 2024, Dr. Dillon's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).

Where did Dr. William I. Dillon go to medical school?

Dr. Dillon graduated from University Of Michigan Medical School in 1988.

What drugs does Dr. William I. Dillon prescribe most?

In 2024 Medicare Part D data, Dr. Dillon's most prescribed drugs by claims were Betamethasone Dipropionate, Triamcinolone Acetonide and Metronidazole.

Has Dr. William I. Dillon received payments from drug or device companies?

CMS Open Payments shows $587 in general payments to Dr. Dillon from 7 companies from 2017 to 2025. The largest total came from Genentech, Inc.

How long has Dr. William I. Dillon been practicing?

Dr. Dillon graduated from medical school in 1988, 38 years ago.

Does Dr. William I. Dillon do research?

Dmand AI links 1 publication to Dr. Dillon.

What insurance does Dr. William I. Dillon accept?

Dr. Dillon is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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