NPPES file of Aug 9, 2026

Greg N. Womack, MD

Urology Physician · Waukesha, WI

Greg N. Womack, MD is a urology physician with a practice address in Waukesha, Wisconsin, and NPI 1598708646, issued on Jun 14, 2006. Check the license (Wisconsin 44588, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598708646
Name
Greg N. Womack
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License number
44588 WI
Self-reported in NPPES; status is on the state search
Practice location
1111 Delafield St Ste 207, Waukesha, WI 53188
Phone
(262) 446-3593
Enumerated
Jun 14, 2006
Record last updated
Jan 15, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(262) 547-0379
Medicaid ID
34266700 WI
Medicare enrollment
Enrolled (PECOS I20040313000092); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1111 Delafield St Ste 207

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jon Auger, MDUrology Physician1225071475
  2. Brian Butler, MDUrology Physician1093758195
  3. Samuel EngelsgjerdUrology Physician1033679626
  4. Hannah Kusel, MSN FNP APNPFamily Nurse Practitioner1003782210
  5. David Papermaster, P.A.-C.Medical Physician Assistant1225023708
  6. John Pope, MDUrology Physician1396788543

Verify Greg N. Womack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 44588
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

19% more Medicare Part D claims than the average urology physician in 2024

1,592 Medicare Part D claims for 491 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 51 claims were for opioids.

  1. Greg Womack1,592
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl543 claims
  2. Oxybutynin Chloride Er138 claims
  3. Finasteride136 claims
  4. Cephalexin115 claims
  5. Myrbetriq113 claims
  6. Ciprofloxacin Hcl46 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: $146.05

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. 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.

  1. Greg Womack$146.05
  2. Specialty average$3,800.04

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Urology Associates Ltd SCWaukesha, WI
  2. Watertown Physician Practices LLCWatertown, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Greg N. Womack among 259 urology physician records in Wisconsin

Greg N. Womack, MD is one of 259 urology physician records with a practice address in Wisconsin. 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 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 43% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1996 · median 2002 among the 166 with a school on file
  • Record last updated2016 · 56% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Wisconsin

There are 259 urology physician records in Wisconsin.

The 8 urology physician records with the nearest ZIP codes

  1. Jon Auger, MDWaukesha, WI 531881225071475
  2. Brian Butler, MDWaukesha, WI 531881093758195
  3. David Charles, MDWaukesha, WI 531881588169015
  4. Douglas Dewire, M.D.Waukesha, WI 531881861592172
  5. Samuel EngelsgjerdWaukesha, WI 531881033679626
  6. W. Patrick Flanagan, MDWaukesha, WI 531881346240959
  7. John Pope, MDWaukesha, WI 531881396788543
  8. Emily Stowe, RNWaukesha, WI 531881205759206

Common questions

What is Greg N. Womack, MD's NPI number?

Greg N. Womack, MD's National Provider Identifier (NPI) is 1598708646, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Greg N. Womack, MD located?

The NPPES record lists a practice address at 1111 Delafield St Ste 207, Waukesha, WI, 53188. Phone: (262) 446-3593. Providers update this record themselves, so call before visiting.

How can I verify Greg N. Womack, MD's license?

NPPES lists Wisconsin license number 44588, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Greg N. Womack, MD prescribe under Medicare Part D?

In 2024, Greg N. Womack, MD had 1,592 Medicare Part D claims for 491 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.