Dr. William A. Thomas Jr., MD
- Medicare services, 2024
- 1,795
- Medicare patients, 2024
- 615
- Part D claims, 2024
- 2,075
- Hospital affiliations
- 2
- Industry payments
- $7,344
- Practice address
- 34444 King Street Row, Lewes, DE 19958
- Practice phone
- Call (302) 644-3852
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Seaside Endoscopy Pavilion
Surgery Center - Medicare-Certified · Lewes, Delaware
Find Dr. Thomas' professional email, personal email and mobile number
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Dr. William A. Thomas Jr. is a neurologist in Lewes, Delaware
Dr. Thomas practices at Seaside Endoscopy Pavilion in Lewes, Delaware.
Dr. Thomas' NPI, 1700825569, was assigned on June 6, 2006. Dr. Thomas holds Delaware license C10005030.
- NPI
- 1700825569NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678587011
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 644-3852
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William A. Thomas Jr. practices at Seaside Endoscopy Pavilion in Lewes, Delaware
Dr. Thomas' primary practice is Seaside Endoscopy Pavilion, at 34444 King Street Row, Lewes, DE 19958. The practice phone is (302) 644-3852.
- Seaside Endoscopy Pavilion34444 King Street Row, Lewes, DE 19958Phone(302) 644-3852
Source: Dmand AI Affiliation Data
Dr. William A. Thomas Jr. is affiliated with 5 sites of care and 2 medical groups
Dr. Thomas' primary practice is Seaside Endoscopy Pavilion in Lewes, Delaware. Dr. Thomas is also affiliated with Beebe Healthcare. The medical group on file is Beebe Medical Group. Dmand AI also links Dr. Thomas to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William A. Thomas Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Seaside Endoscopy Pavilion | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William A. Thomas Jr. is one of 65 neurologists in Delaware
Neurology is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Thomas is licensed in Delaware.
Specialties and state licenses
- Neurology, DelawarePrimary
Neurologists near Dr. Thomas
Counts of neurologists 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. William A. Thomas Jr. billed Medicare for 1,795 services in 2024
CMS data shows 1,795 Medicare services from Dr. Thomas across 14 procedure codes in 2024, for 615 Medicare patients. Medicare paid $169,119 for them. Every service was in an office.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9542024: 953No change
- Tests and treatments
- 2023: 8892024: 8425%
Dr. Thomas compared with the Delaware median for neurologists, 2024
- Dr. Thomas
- Delaware median
- Medicare services
- 1,795vs 4454.0 times
- Medicare patients
- 615vs 33484% above
- Part D claims
- 1,890vs 2198.6 times
Medians across 62 neurologists in Delaware with Dmand AI profiles that report each measure.
Dr. Thomas' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomas and other neurologists in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William A. Thomas Jr. treated 615 Medicare patients in 2024, average age 76
CMS counts 615 Medicare patients who saw Dr. Thomas in 2024. The largest group is 75 to 84, with 273 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 74, with 54% women.
Dr. Thomas' Medicare patients by age, 2024
Dr. Thomas' Medicare patients by sex, 2024
- Women31451%
- Men30149%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Ischemic heart disease44%
- Mood disorders35%
- Anxiety32%
- Depression32%
- Diabetes31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William A. Thomas Jr. wrote 2,075 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 2,075 Medicare Part D claims for 410 patients. 90% of them were for generic drugs. CMS names the drug for 1,890 of them, across 28 drugs with 11 or more claims each, at $216,024 in total drug cost. In 2023, CMS named 1,477 claims across 26 drugs.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic1,872 claims90%
- Brand-name182 claims9%
- Other21 claims1%
Dr. Thomas' 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. Thomas' Part D claims, 2024
- Antipsychotics, patients 65 and over1%13 of 2,075 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: 1,4772024: 1,89028%
Drugs named by CMS: 28 in 2024, 26 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. William A. Thomas Jr. scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Thomas for performance year 2024, reported individually. Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Thomas' MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 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
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Dr. William A. Thomas Jr. received $7,344 in industry payments from 2016 to 2025
CMS Open Payments shows 475 general payments to Dr. Thomas from 45 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Abbvie Inc. paid the most, $1,209.
General payments to Dr. Thomas by program year, 2016 to 2025
General payments to Dr. Thomas by kind, 2016 to 2025
- Food and beverage$7,10397%
- Speaker and faculty fees$2423%
Companies that paid Dr. Thomas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William A. Thomas Jr.'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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. William A. Thomas Jr.
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 A. Thomas Jr.'s NPI number?
Dr. William A. Thomas Jr.'s NPI number is 1700825569. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William A. Thomas Jr.?
Dr. William A. Thomas Jr. is a neurologist in Lewes, Delaware. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. William A. Thomas Jr. practice?
Dr. Thomas practices at 34444 King Street Row, Lewes, DE 19958. Dr. Thomas' primary practice is Seaside Endoscopy Pavilion in Lewes, Delaware. Dmand AI also links Dr. Thomas to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. William A. Thomas Jr.'s office phone number?
The practice phone on file for Dr. Thomas is (302) 644-3852.
What is Dr. William A. Thomas Jr.'s medical license number?
Dr. Thomas holds Delaware license C10005030.
Which hospitals is Dr. William A. Thomas Jr. affiliated with?
Dr. Thomas is affiliated with Beebe Healthcare. Dmand AI links Dr. Thomas to 1 more hospital.
What medical group is Dr. William A. Thomas Jr. part of?
Dr. Thomas is linked to Beebe Medical Group. Dmand AI links Dr. Thomas to 1 more medical group.
Does Dr. William A. Thomas Jr. accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 1,795 services in 2024, and Dr. Thomas accepts Medicare assignment.
What is Dr. William A. Thomas Jr.'s MIPS score?
Dr. Thomas' MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. William A. Thomas Jr. see?
CMS counts 615 Medicare patients who saw Dr. Thomas in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. William A. Thomas Jr. bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were office visit, established patient (99214), nerve and brain test (95886) and office visit, new patient (99203).
What drugs does Dr. William A. Thomas Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Memantine HCl, Donepezil HCl and Topiramate.
Has Dr. William A. Thomas Jr. received payments from drug or device companies?
CMS Open Payments shows $7,344 in general payments to Dr. Thomas from 45 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. William A. Thomas Jr. been practicing?
Dr. Thomas graduated from medical school in 1991, 35 years ago.
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