William J Sullivan, D.O.
William J Sullivan is an Internal Medicine specialist based in Frontenac, KS with over 36 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
William J Sullivan, D.O. has been part of the Frontenac medical community since 2006 in group practice. Trained at Kansas City University of Med & Biosciences, College of Osteo Med (class of 1990), he has been practicing for over 36 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data). CMS MIPS quality score: 77.44/100 (2023).
At a glance
- Prescribes opioids less than 28% of reporting doctors in Kansas
- Uses generic medications more than 46% of reporting doctors in Kansas
- Federal MIPS score higher than 15% of MIPS-scored doctors in Kansas
- Virtual visits available — no app or travel required
Older · 3577dNPPES updated 2016-08-06 · verify NPI on CMS · Verify license at Kansas State Board of Healing Arts
Contact & Location
Practice Location
608 Willard, Frontenac, KS 66763-2120
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
MIPS Score
202377.44/100
Kansas avg: 86.3 · US avg: 83.6
⚠ Lower than most doctors nationally(-6.2 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better4.38%
Kansas avg: 5.6 · US avg: 5.1
✓ Higher than most doctors nationally(-0.7 pts)
4.38% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better87%
Kansas avg: 81.7 · US avg: 82.8
✓ Higher than most doctors nationally(+4.2 pts)
Typical range among reporting doctors in KansasHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
320
Unique beneficiaries
Standard volumePrescription Recipients
385
Patients prescribed
Prescriptions Written
9,857
Total claims
Total Medicare drug cost: $841k
Percentile rankings compared against 648 reporting peers in Kansas.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-17%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-1%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+2%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-7%) — less common here
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$192 received from industry
6 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to William J Sullivan's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1990
Kansas City University of Med & Biosciences, College of Osteo Med
36 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
Kansas City University of Med & Biosciences, College of Osteo Med (Class of 1990)
Mailing address
Po Box 1023, Frontenac, KS 66763-1023
Differs from practice location
Virtual Internal Medicine Care With William J Sullivan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with William J Sullivan for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Frontenac required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about William J Sullivan
Dr. Sullivan is listed as active in the NPI registry with telehealth listed in Frontenac, KS. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (620) 231-8849.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact William J Sullivan
Practice Location
608 Willard, Frontenac, KS 66763-2120
Mailing Address
Po Box 1023, Frontenac, KS 66763-1023
This is a provider directory. Contact the office directly to schedule appointments.
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