Dr. Robert E. Williams, MD
- Medicare services, 2024
- 592
- Medicare patients, 2024
- 121
- Part D claims, 2024
- 4,092
- Hospital affiliations
- 1
- Industry payments
- $12
- Practice address
- 14555 W. National Ave., Ste 125, New Berlin, WI 53151
- Practice phone
- Call (262) 827-2282
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aurora Mammography - New Berlin
Mammography / Breast Imaging Center · New Berlin, 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. Robert E. Williams is an internist in New Berlin, Wisconsin
Dr. Williams practices at Aurora Mammography - New Berlin in New Berlin, Wisconsin.
Dr. Williams' NPI, 1619909868, was assigned on July 7, 2006. Dr. Williams graduated from Boonshoft School of Medicine in 1997. Dr. Williams' Wisconsin license number on file is 43644.
- NPI
- 1619909868NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810911096
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 827-2282
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert E. Williams practices at Aurora Mammography - New Berlin in New Berlin, Wisconsin
Dr. Williams' primary practice is Aurora Mammography - New Berlin, at 14555 W. National Ave., Ste 125, New Berlin, WI 53151. The practice phone is (262) 827-2282.
- Aurora Mammography - New Berlin14555 W. National Ave., Ste 125, New Berlin, WI 53151Phone(262) 827-2282
Source: Dmand AI Affiliation Data
Dr. Robert E. Williams is affiliated with 5 sites of care and 1 medical group
Dr. Williams' primary practice is Aurora Mammography - New Berlin in New Berlin, Wisconsin. Dr. Williams is also affiliated with Aurora St. Luke's Medical Center. The medical group on file is Aurora Advanced Healthcare. Dmand AI also links Dr. Williams to 1 more clinical lab, 1 group practice or clinic and 1 home health agency, each named with a free account. Dr. Williams' employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert E. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aurora Mammography - New Berlin | 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. Robert E. Williams is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Williams is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Williams' licenses on file in 2 states: Wisconsin and Ohio.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
- Ohio license
Clinical focus
Dmand AI lists acid reflux, aneurysm, atrial fibrillation and flutter, cardiomyopathy, cerebrovascular disease, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Williams treats.
Internists near Dr. Williams
Counts of internists 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 E. Williams billed Medicare for 592 services in 2024
CMS data shows 592 Medicare services from Dr. Williams across 8 procedure codes in 2024, for 121 Medicare patients. Medicare paid $23,944 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2872024: 22123%
- Office and hospital visits
- 2023: 2032024: 15524%
- Lab and pathology
- 2023: 1912024: 14425%
- Other services
- 2023: 1382024: 7248%
Dr. Williams compared with the Wisconsin median for internists, 2024
- Dr. Williams
- Wisconsin median
- Medicare services
- 592vs 45730% above
- Medicare patients
- 121vs 19939% below
- Part D claims
- 3,559vs 4338.2 times
Medians across 1,658 internists 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 internists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert E. Williams treated 121 Medicare patients in 2024, average age 76
CMS counts 121 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 67, with 36% 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
- Women4638%
- Men7562%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation39%
- Chronic kidney disease39%
- Arthritis36%
- Ischemic heart disease36%
- Heart failure31%
- Diabetes26%
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 67
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert E. Williams wrote 4,092 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 4,092 Medicare Part D claims for 312 patients. 87% of them were for generic drugs. CMS names the drug for 3,559 of them, across 73 drugs with 11 or more claims each, at $324,093 in total drug cost. In 2023, CMS named 3,922 claims across 84 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic3,559 claims87%
- Brand-name522 claims13%
- Other11 claims0%
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
- Opioids1%31 of 4,092 claims
- Antibiotics1%42 of 4,092 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: 3,9222024: 3,5599%
Drugs named by CMS: 73 in 2024, 84 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
How Dr. Robert E. Williams takes part in Medicare
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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. Robert E. Williams received $12 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Williams from 1 drug or device company in 2022. Education make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $12.
Companies that paid Dr. Williams the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert E. Williams has 1 award and honors on record
Dmand AI lists 1 award for Dr. Williams, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Williams
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Robert E. Williams graduated from Boonshoft School of Medicine
Dr. Williams graduated from Boonshoft School of Medicine in 1997.
- Medical school
- Board certified in internal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Robert E. Williams accepts plans from 20 insurance carriers
Dr. Williams is in network with 20 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Molina
- +12 more carriersWith a free account
Plan types Dr. Williams accepts, by number of carriers
- PPO11
- HMO10
- Medicare9
- POS5
- EPO4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert E. 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 | 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) |
| 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. Robert E. 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 E. Williams' NPI number?
Dr. Robert E. Williams' NPI number is 1619909868. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert E. Williams?
Dr. Robert E. Williams is an internist in New Berlin, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert E. Williams practice?
Dr. Williams practices at 14555 W. National Ave., Ste 125, New Berlin, WI 53151. Dr. Williams' primary practice is Aurora Mammography - New Berlin in New Berlin, Wisconsin. Dmand AI also links Dr. Williams to 1 clinical lab, 1 group practice or clinic and 1 home health agency.
What is Dr. Robert E. Williams' office phone number?
The practice phone on file for Dr. Williams is (262) 827-2282.
What is Dr. Robert E. Williams' medical license number?
Dr. Williams' Wisconsin license number on file is 43644, one of the licenses on file in 2 states.
Which states has Dr. Robert E. Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in Wisconsin (2001 to 2025) and Ohio (1998 to 2025).
Which hospitals is Dr. Robert E. Williams affiliated with?
Dr. Williams is affiliated with Aurora St. Luke's Medical Center.
What medical group is Dr. Robert E. Williams part of?
Dr. Williams is linked to Aurora Advanced Healthcare.
Does Dr. Robert E. Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 592 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Robert E. Williams see?
CMS counts 121 Medicare patients who saw Dr. Williams in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
Is Dr. Robert E. Williams board certified?
Yes. Dr. Williams is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Robert E. Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were heart test or procedure (93793), office visit, established patient (99214) and lab and pathology test (85610).
Where did Dr. Robert E. Williams go to medical school?
Dr. Williams graduated from Boonshoft School of Medicine in 1997.
What drugs does Dr. Robert E. Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Lisinopril, Atorvastatin Calcium and Pravastatin Sodium.
Has Dr. Robert E. Williams received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Williams from 1 company from 2022 to 2022. The largest total came from Eli Lilly and Company.
How long has Dr. Robert E. Williams been practicing?
Dr. Williams graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Robert E. Williams accept?
Dr. Williams is in network with 20 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in Wisconsin 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