Dr. Sean M. McWilliams, MD
- Medicare services, 2024
- 2,296
- Medicare patients, 2024
- 386
- Part D claims, 2024
- 480
- MIPS score, 2024
- 75
- Hospital affiliations
- 3
- Practice address
- 900 NW 13th St, Boca Raton, FL 33486
- Practice phone
- Call (561) 338-3267
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ENT and Allergy Associates of Florida
Boca Raton, Florida
Find Dr. McWilliams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sean M. McWilliams is an otolaryngologist in Boca Raton, Florida
Dr. McWilliams practices at ENT and Allergy Associates of Florida in Boca Raton, Florida.
Dr. McWilliams' NPI, 1003854803, was assigned on June 3, 2006. Dr. McWilliams graduated from Tulane School of Medicine in 1999. Dr. McWilliams holds Florida license ME90138.
- NPI
- 1003854803NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173586583
- NPI enumeration date
- June 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (561) 338-3267
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sean M. McWilliams practices at ENT and Allergy Associates of Florida in Boca Raton, Florida
Dr. McWilliams' primary practice is ENT and Allergy Associates of Florida, at 900 NW 13th St, Boca Raton, FL 33486 in Palm Beach County. The practice phone is (561) 338-3267.
- ENT and Allergy Associates of Florida900 NW 13th St, Boca Raton, FL 33486 · Palm Beach CountyPhone(561) 338-3267
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sean M. McWilliams is affiliated with 5 sites of care and 1 medical group
Dr. McWilliams' primary practice is ENT and Allergy Associates of Florida in Boca Raton, Florida. Dr. McWilliams is also affiliated with Ascension Sacred Heart Pensacola. The medical group on file is ENT & Allergy Associates of Florida. Dmand AI also links Dr. McWilliams to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sean M. McWilliams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McWilliams practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ENT and Allergy Associates of Florida | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sean M. McWilliams is one of 559 otolaryngologists in Florida
Otolaryngology is Dr. McWilliams' primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. McWilliams is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery. Dmand AI has Dr. McWilliams' licenses on file in 2 states: Florida and Alabama.
Specialties and state licenses
- Otolaryngology, FloridaPrimary
- Alabama license
Clinical focus
Dmand AI lists chronic ear infection, chronic nasal allergies, chronic sinusitis, ear eustachian tube disorders, endoscopic sinus surgery, hearing loss and impairment, larynx and vocal cord disease and swimmer's ear among the conditions Dr. McWilliams treats.
Otolaryngologists near Dr. McWilliams
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. Sean M. McWilliams billed Medicare for 2,296 services in 2024
CMS data shows 2,296 Medicare services from Dr. McWilliams across 14 procedure codes in 2024, for 386 Medicare patients. Medicare paid $304,273 for them.
Dr. McWilliams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1,5332024: 1,4615%
- Office and hospital visits
- 2023: 8362024: 8064%
- Drugs given in the office
- 2023: 02024: 29
Where Dr. McWilliams' Medicare services took place, 2024
- In an office2,22497%
- In a facility723%
Dr. McWilliams compared with the Florida median for otolaryngologists, 2024
- Dr. McWilliams
- Florida median
- Medicare services
- 2,296vs 8982.6 times
- Medicare patients
- 386vs 3665% above
- Part D claims
- 428vs 34026% above
Medians across 541 otolaryngologists in Florida with Dmand AI profiles that report each measure.
Dr. McWilliams' 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.
Need commercial claims for Dr. McWilliams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McWilliams and other otolaryngologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sean M. McWilliams treated 386 Medicare patients in 2024, average age 77
CMS counts 386 Medicare patients who saw Dr. McWilliams in 2024. The largest group is 75 to 84, with 178 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McWilliams' median patient age at 69, with 52% women.
Dr. McWilliams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McWilliams' Medicare patients by sex, 2024
- Women20754%
- Men17946%
Chronic conditions among Dr. McWilliams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease31%
- Chronic kidney disease30%
- Anxiety27%
- Diabetes24%
- Atrial fibrillation21%
Share of Medicare patients with each condition. A patient can have several.
Dr. McWilliams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sean M. McWilliams wrote 480 Medicare Part D claims in 2024
In 2024, Dr. McWilliams wrote 480 Medicare Part D claims for 143 patients. 99% of them were for generic drugs. CMS names the drug for 428 of them, across 12 drugs with 11 or more claims each, at $7,050 in total drug cost. In 2023, CMS named 327 claims across 12 drugs.
Dr. McWilliams' Part D claims by kind of drug, 2024
- Generic475 claims99%
- Brand-name and other5 claims1%
Dr. McWilliams' 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. McWilliams' Part D claims, 2024
- Opioids4%17 of 480 claims
- Antibiotics21%101 of 480 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: 3272024: 42831%
Drugs named by CMS: 12 in 2024, 12 in 2023.
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. Sean M. McWilliams scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. McWilliams for performance year 2024, reported individually. Dr. McWilliams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Sean M. McWilliams received $5,484 in industry payments from 2016 to 2025
CMS Open Payments shows 37 general payments to Dr. McWilliams from 8 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 61% of the total. Spirair, Inc. paid the most, $3,226.
General payments to Dr. McWilliams by program year, 2016 to 2025
General payments to Dr. McWilliams by kind, 2016 to 2025
- Consulting fees$3,35861%
- Food and beverage$1,10120%
- Travel and lodging$99018%
- Education$341%
Companies that paid Dr. McWilliams the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sean M. McWilliams has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. McWilliams, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. McWilliams
- 2013
- CMS Stage 1 EHR
- Undated
- AAO-HNS Fellow
Source: Dmand AI Professional Profile Data
Dr. Sean M. McWilliams graduated from Tulane School of Medicine
Dr. McWilliams graduated from Tulane School of Medicine in 1999. Dr. McWilliams is a member of NHS.
- Medical school
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Dr. Sean M. McWilliams accepts plans from 18 insurance carriers
Dr. McWilliams is in network with 18 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- Excellus BlueCross BlueShield
- HCSC
- Aspirus Health Plan
- +10 more carriersWith a free account
Plan types Dr. McWilliams accepts, by number of carriers
- PPO13
- Medicare9
- HMO8
- POS6
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. Sean M. McWilliams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sean M. McWilliams
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. Sean M. McWilliams' NPI number?
Dr. Sean M. McWilliams' NPI number is 1003854803. It was assigned on June 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sean M. McWilliams?
Dr. Sean M. McWilliams is an otolaryngologist in Boca Raton, Florida. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Sean M. McWilliams practice?
Dr. McWilliams practices at 900 NW 13th St, Boca Raton, FL 33486. Dr. McWilliams' primary practice is ENT and Allergy Associates of Florida in Boca Raton, Florida. Dmand AI also links Dr. McWilliams to 2 hospitals and 1 group practice or clinic.
What is Dr. Sean M. McWilliams' office phone number?
The practice phone on file for Dr. McWilliams is (561) 338-3267.
What is Dr. Sean M. McWilliams' medical license number?
Dr. McWilliams holds Florida license ME90138, one of the licenses on file in 2 states.
Which states has Dr. Sean M. McWilliams been licensed in?
Dmand AI has state licenses on file for Dr. McWilliams in Florida (2004 to 2026) and Alabama (2000 to 2004).
Which hospitals is Dr. Sean M. McWilliams affiliated with?
Dr. McWilliams is affiliated with Ascension Sacred Heart Pensacola. Dmand AI links Dr. McWilliams to 2 more hospitals.
What medical group is Dr. Sean M. McWilliams part of?
Dr. McWilliams is linked to ENT & Allergy Associates of Florida.
Does Dr. Sean M. McWilliams accept Medicare?
Yes. CMS data shows Dr. McWilliams billed Medicare for 2,296 services in 2024, and Dr. McWilliams accepts Medicare assignment.
What is Dr. Sean M. McWilliams' MIPS score?
Dr. McWilliams' MIPS final score for performance year 2024 is 75 out of 100, reported individually.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Sean M. McWilliams see?
CMS counts 386 Medicare patients who saw Dr. McWilliams in 2024, with an average age of 77.
Is Dr. Sean M. McWilliams board certified?
Yes. Dr. McWilliams is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery.
What services does Dr. Sean M. McWilliams bill to Medicare?
In 2024, Dr. McWilliams' most billed Medicare services were surgery: ear (69210), office visit, established patient (99214) and surgery: lungs and airway (31231).
Where did Dr. Sean M. McWilliams go to medical school?
Dr. McWilliams graduated from Tulane School of Medicine in 1999.
What drugs does Dr. Sean M. McWilliams prescribe most?
In 2024 Medicare Part D data, Dr. McWilliams' most prescribed drugs by claims were Montelukast Sodium, Azelastine HCl and Fluticasone Propionate.
Has Dr. Sean M. McWilliams received payments from drug or device companies?
CMS Open Payments shows $5,484 in general payments to Dr. McWilliams from 8 companies from 2016 to 2025. The largest total came from Spirair, Inc.
How long has Dr. Sean M. McWilliams been practicing?
Dr. McWilliams graduated from medical school in 1999, 27 years ago.
What insurance does Dr. Sean M. McWilliams accept?
Dr. McWilliams is in network with 18 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
Selling to otolaryngology practices?
See otolaryngologists in Florida by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card