Dr. Robert Simpson Williams, MD
- Medicare services, 2024
- 1,253
- Medicare patients, 2024
- 404
- Part D claims, 2024
- 2,008
- MIPS score, 2024
- 100
- Hospital affiliations
- 5
- Practice address
- 2525 W University Ave, Muncie, IN 47303
- Practice phone
- Call (765) 289-7444
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Urology Associates
Muncie, Indiana
Find Dr. Williams' professional email, personal email and mobile number
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Dr. Robert Simpson Williams is a urologist in Muncie, Indiana
Dr. Williams practices at Urology Associates in Muncie, Indiana.
Dr. Williams' NPI, 1851339709, was assigned on June 3, 2006. Dr. Williams graduated from Indiana University School of Medicine in 1984. Dr. Williams holds Indiana license 01037193.
- NPI
- 1851339709NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931290814
- NPI enumeration date
- June 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (765) 289-7444
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Simpson Williams practices at Urology Associates in Muncie, Indiana
Dr. Williams' primary practice is Urology Associates, at 2525 W University Ave, Muncie, IN 47303 in Delaware County. The practice phone is (765) 289-7444.
- Urology Associates2525 W University Ave, Muncie, IN 47303 · Delaware CountyPhone(765) 289-7444
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Simpson Williams is affiliated with 7 sites of care and 2 medical groups
Dr. Williams' primary practice is Urology Associates in Muncie, Indiana. Dr. Williams is also affiliated with IU Health Ball Memorial Hospital. The medical group on file is The Urology Group Central Indiana. Dmand AI also links Dr. Williams to 4 more hospitals, 1 group practice or clinic and 1 medical group, 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. Robert Simpson Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Urology Associates | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Simpson Williams is one of 250 urologists in Indiana
Urology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Williams is licensed in Indiana.
Specialties and state licenses
- Urology, IndianaPrimary
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. Robert Simpson Williams billed Medicare for 1,253 services in 2024
CMS data shows 1,253 Medicare services from Dr. Williams across 17 procedure codes in 2024, for 404 Medicare patients. Medicare paid $51,571 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3912024: 51663%
- Lab and pathology
- 2023: 1,0112024: 28472%
- Surgery
- 2023: 8782024: 21376%
- Other services
- 2023: 02024: 212
- Imaging
- 2023: 542024: 1572%
- Tests and treatments
- 2023: 872024: 1385%
- Drugs given in the office
- 2023: 2,4502024: 0100%
Dr. Williams compared with the Indiana median for urologists, 2024
- Dr. Williams
- Indiana median
- Medicare services
- 1,253vs 1,41011% below
- Medicare patients
- 404vs 47114% below
- Part D claims
- 1,893vs 8952.1 times
Medians across 250 urologists in Indiana 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 Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Simpson Williams treated 404 Medicare patients in 2024, average age 75
CMS counts 404 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 161 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 71, with 27% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women10927%
- Men29573%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Diabetes37%
- Ischemic heart disease34%
- Cancer29%
- Chronic kidney disease27%
- Mood disorders24%
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 71
Patient panel by sex, all payers
- Women27%
- Men72%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Simpson Williams wrote 2,008 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 2,008 Medicare Part D claims for 585 patients. 81% of them were for generic drugs. CMS names the drug for 1,893 of them, across 31 drugs with 11 or more claims each, at $1,308,106 in total drug cost. In 2023, CMS named 2,924 claims across 32 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic1,630 claims81%
- Brand-name378 claims19%
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
- Opioids2%34 of 2,008 claims
- Antibiotics16%324 of 2,008 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: 2,9242024: 1,89335%
Drugs named by CMS: 31 in 2024, 32 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. Robert Simpson Williams scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 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 counts 12 procedures of prostate resection by Dr. Williams, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Williams' MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Williams ranks in Medicare procedure volume
- Prostate resection
- 63rd percentile12 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. Robert Simpson Williams received $37,500 in industry payments from 2016 to 2025
CMS Open Payments shows 720 general payments to Dr. Williams from 68 drug and device companies from 2016 to 2025. Device or supply loans make up the largest share, 59% of the total. Central Indiana URS Consumables, LLC paid the most, $22,071.
General payments to Dr. Williams by program year, 2016 to 2025
General payments to Dr. Williams by kind, 2016 to 2025
- Device or supply loans$22,07159%
- Food and beverage$14,30438%
- Education$6262%
- Travel and lodging$4981%
Companies that paid Dr. Williams 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. Robert Simpson Williams graduated from Indiana University School of Medicine
Dr. Williams graduated from Indiana University School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Simpson Williams'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)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. Robert Simpson Williams
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. Robert Simpson Williams' NPI number?
Dr. Robert Simpson Williams' NPI number is 1851339709. It was assigned on June 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Simpson Williams?
Dr. Robert Simpson Williams is a urologist in Muncie, Indiana. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Robert Simpson Williams practice?
Dr. Williams practices at 2525 W University Ave, Muncie, IN 47303. Dr. Williams' primary practice is Urology Associates in Muncie, Indiana. Dmand AI also links Dr. Williams to 4 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Robert Simpson Williams' office phone number?
The practice phone on file for Dr. Williams is (765) 289-7444.
What is Dr. Robert Simpson Williams' medical license number?
Dr. Williams holds Indiana license 01037193.
Which hospitals is Dr. Robert Simpson Williams affiliated with?
Dr. Williams is affiliated with IU Health Ball Memorial Hospital. Dmand AI links Dr. Williams to 4 more hospitals.
What medical group is Dr. Robert Simpson Williams part of?
Dr. Williams is linked to The Urology Group Central Indiana. Dmand AI links Dr. Williams to 1 more medical group.
Does Dr. Robert Simpson Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 1,253 services in 2024, and Dr. Williams accepts Medicare assignment.
What is Dr. Robert Simpson Williams' MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Robert Simpson Williams see?
CMS counts 404 Medicare patients who saw Dr. Williams in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Robert Simpson Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were lab and pathology test (81002), medicare service (G2211) and office visit, established patient (99214).
Where did Dr. Robert Simpson Williams go to medical school?
Dr. Williams graduated from Indiana University School of Medicine in 1984.
What drugs does Dr. Robert Simpson Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Myrbetriq.
Has Dr. Robert Simpson Williams received payments from drug or device companies?
CMS Open Payments shows $37,500 in general payments to Dr. Williams from 68 companies from 2016 to 2025. The largest total came from Central Indiana URS Consumables, LLC.
How long has Dr. Robert Simpson Williams been practicing?
Dr. Williams graduated from medical school in 1984, 42 years ago.
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