Andrew Harper Williams, MD
Urology Physician · Springfield, IL
Andrew Harper Williams, MD is a urology physician with a practice address in Springfield, Illinois, and NPI 1639861073, issued on May 24, 2023. Check the license (Illinois 125081539, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Andrew Harper Williams
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 125081539 IL
Self-reported in NPPES; status is on the state search - Practice location
- 747 N Rutledge St FL 5, Springfield, IL 62702
- Phone
- (217) 545-3262
- Enumerated
- May 24, 2023
- Record last updated
- May 24, 2023
- Fax
- (217) 545-7305
- Entity
- Type 1 · individual
8 nearest urology physician records → All 629 in Illinois → Look up another NPI →
Also registered at 747 N Rutledge St FL 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kaitlin Davis, MDUrology Physician1598346116
- Loralee Donnelly, FNP-BCFamily Nurse Practitioner1174075147
- Samuel Grampsas, MDUrology Physician1386618833
- Christina HighNurse Practitioner1730664053
Verify Andrew Harper Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 125081539Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average urology physician in 2024
101 Medicare Part D claims for 66 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl24 claims
- Nitrofurantoin Mono-Macro16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $244.62
2 payments; by number, the most common kind was food and beverage; the largest payer was Endo USA, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Andrew Harper Williams among 629 urology physician records in Illinois
Andrew Harper Williams, MD is one of 629 urology physician records with a practice address in Illinois. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 92% of them.
- NPI issued2023 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Illinois
There are 629 urology physician records in Illinois.
All 629 in Illinois → Every provider in Springfield → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Thomas Baron, M.D.Springfield, IL 627021972615748
- Ryan Buettner, MDSpringfield, IL 627021467953208
- Tiffany Damm, MDSpringfield, IL 627021487274882
- Kaitlin Davis, MDSpringfield, IL 627021598346116
- Samuel Grampsas, MDSpringfield, IL 627021386618833
- Emily HillmanSpringfield, IL 627021558943639
- Chandler Hudson, MDSpringfield, IL 627021053986158
- Roberta Koeppen, MDSpringfield, IL 627021235703299
Common questions
What is Andrew Harper Williams, MD's NPI number?
Andrew Harper Williams, MD's National Provider Identifier (NPI) is 1639861073, issued on May 24, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Harper Williams, MD located?
The NPPES record lists a practice address at 747 N Rutledge St FL 5, Springfield, IL, 62702. Phone: (217) 545-3262. Providers update this record themselves, so call before visiting.
How can I verify Andrew Harper Williams, MD's license?
NPPES lists Illinois license number 125081539, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew Harper Williams, MD prescribe under Medicare Part D?
In 2024, Andrew Harper Williams, MD had 101 Medicare Part D claims for 66 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.