Dr. Daniel H. Williams IV, MD
- Medicare services, 2024
- 111
- Medicare patients, 2024
- 137
- Part D claims, 2024
- 399
- MIPS score, 2024
- 83
- Hospital affiliations
- 3
- Practice address
- 600 Highland Ave, Madison, WI 53792
- Practice phone
- Call (608) 265-1978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services - Madison (Highland Ave)
College / University Student Health · Madison, Wisconsin
Find Dr. Williams' 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. Daniel H. Williams IV is a urologist in Madison, Wisconsin
Dr. Williams practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Williams' NPI, 1255350641, was assigned on July 18, 2006. Dr. Williams graduated from Columbia University College of Physicians and Surgeons in 1999. Dr. Williams holds Wisconsin license 49451.
- NPI
- 1255350641NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507862695
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 265-1978
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel H. Williams IV practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Williams' primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.
- University Health Services - Madison (Highland Ave)600 Highland Ave, Madison, WI 53792Phone(608) 265-1978
Source: Dmand AI Affiliation Data
Dr. Daniel H. Williams IV is affiliated with 4 sites of care and 2 medical groups
Dr. Williams' primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Williams is also affiliated with University Hospital. The medical group on file is UW Health. Dmand AI also links Dr. Williams to 2 more hospitals and 1 medical group, each named with a free account. Dr. Williams' employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel H. Williams IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services - Madison (Highland Ave) | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel H. Williams IV is one of 213 urologists in Wisconsin
Urology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Williams is licensed in Wisconsin.
Specialties and state licenses
- Urology, WisconsinPrimary
Urologists near Dr. Williams
Counts of urologists 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. Daniel H. Williams IV billed Medicare for 111 services in 2024
CMS data shows 111 Medicare services from Dr. Williams across 6 procedure codes in 2024, for 137 Medicare patients. Medicare paid $5,836 for them.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 432024: 7984%
- Surgery
- 2023: 122024: 32167%
Where Dr. Williams' Medicare services took place, 2024
- In an office1917%
- In a facility9283%
Dr. Williams compared with the Wisconsin median for urologists, 2024
- Dr. Williams
- Wisconsin median
- Medicare services
- 111vs 56380% below
- Medicare patients
- 137vs 28852% below
- Part D claims
- 323vs 55041% below
Medians across 215 urologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Williams' 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. Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other urologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel H. Williams IV treated 137 Medicare patients in 2024, average age 71
CMS counts 137 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 77 patients. 69% of them have high cholesterol, and 67% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 54, with 5% women.
Dr. Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williams' Medicare patients by sex, 2024
- Women118%
- Men12692%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High cholesterol69%
- High blood pressure67%
- Arthritis41%
- Diabetes28%
- Ischemic heart disease28%
- Mood disorders27%
- Cancer24%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women5%
- Men95%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel H. Williams IV wrote 399 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 399 Medicare Part D claims for 87 patients. 95% of them were for generic drugs. CMS names the drug for 323 of them, across 8 drugs with 11 or more claims each, at $17,892 in total drug cost. In 2023, CMS named 283 claims across 10 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic378 claims95%
- Brand-name and other21 claims5%
Dr. Williams' 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. Williams' Part D claims, 2024
- Antibiotics4%16 of 399 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: 2832024: 32314%
Drugs named by CMS: 8 in 2024, 10 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. Daniel H. Williams IV scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Williams for performance year 2024, reported as part of a group. Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Williams as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Williams' MIPS scores, performance year 2024
- 83of 100Final score
- 87.8of 100Quality
- 77of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of tissue: 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. Daniel H. Williams IV received $381 in industry payments from 2017 to 2023
CMS Open Payments shows 6 general payments to Dr. Williams from 3 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 77% of the total. EMD Serono, Inc. paid the most, $151.
General payments to Dr. Williams by program year, 2017 to 2023
General payments to Dr. Williams by kind, 2017 to 2023
- Food and beverage$29377%
- Education$8823%
Companies that paid Dr. Williams the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel H. Williams IV graduated from Columbia University College of Physicians and Surgeons
Dr. Williams graduated from Columbia University College of Physicians and Surgeons in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel H. Williams IV'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Daniel H. Williams IV
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. Daniel H. Williams IV's NPI number?
Dr. Daniel H. Williams IV's NPI number is 1255350641. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel H. Williams IV?
Dr. Daniel H. Williams IV is a urologist in Madison, Wisconsin. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Daniel H. Williams IV practice?
Dr. Williams practices at 600 Highland Ave, Madison, WI 53792. Dr. Williams' primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dmand AI also links Dr. Williams to 2 hospitals and 1 medical group.
What is Dr. Daniel H. Williams IV's office phone number?
The practice phone on file for Dr. Williams is (608) 265-1978.
What is Dr. Daniel H. Williams IV's medical license number?
Dr. Williams holds Wisconsin license 49451.
Which hospitals is Dr. Daniel H. Williams IV affiliated with?
Dr. Williams is affiliated with University Hospital. Dmand AI links Dr. Williams to 2 more hospitals.
What medical group is Dr. Daniel H. Williams IV part of?
Dr. Williams is linked to UW Health. Dmand AI links Dr. Williams to 1 more medical group.
Does Dr. Daniel H. Williams IV accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 111 services in 2024, and Dr. Williams accepts Medicare assignment.
Does Dr. Daniel H. Williams IV offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Williams as offering telehealth services.
What is Dr. Daniel H. Williams IV's MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Daniel H. Williams IV see?
CMS counts 137 Medicare patients who saw Dr. Williams in 2024, with an average age of 71.
What services does Dr. Daniel H. Williams IV bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and office visit, established patient (99213).
Where did Dr. Daniel H. Williams IV go to medical school?
Dr. Williams graduated from Columbia University College of Physicians and Surgeons in 1999.
What drugs does Dr. Daniel H. Williams IV prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Finasteride, Alfuzosin HCl ER and Testosterone Cypionate.
Has Dr. Daniel H. Williams IV received payments from drug or device companies?
CMS Open Payments shows $381 in general payments to Dr. Williams from 3 companies from 2017 to 2023. The largest total came from EMD Serono, Inc.
How long has Dr. Daniel H. Williams IV been practicing?
Dr. Williams graduated from medical school in 1999, 27 years ago.
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