NPPES file of Aug 9, 2026

Roman T. Pyasta, MD

Internal Medicine Physician · Waukesha, WI

Roman T. Pyasta, MD is an internal medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1487607115, issued on May 17, 2006. Check the license (Wisconsin 42394, 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
1487607115
Name
Roman T. Pyasta
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
42394 WI
Self-reported in NPPES; status is on the state search
Practice location
W231N1440 Corporate CT, Waukesha, WI 53186
Phone
(262) 896-6000
Enumerated
May 17, 2006
Record last updated
Dec 27, 2024
Medicaid ID
34821300 WI
Medicare enrollment
Enrolled (PECOS I20060209000434); accepts Medicare assignment
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.
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Also registered at W231N1440 Corporate CT

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

  1. Lucelina Badura, NP-CNurse Practitioner1134309230
  2. Margaret BarrettInternal Medicine Physician1912161647
  3. Evan Benner, DODiagnostic Radiology Physician1225532716
  4. Yasmin Bhathena, MDPediatrics Physician1114953825
  5. Kari BrueckNurse Practitioner1770006835
  6. Marc Burrell, M.D.Vascular & Interventional Radiology Physician1033420054

Verify Roman T. Pyasta in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 42394
    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.

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3.3 times the Medicare Part D claims of the average internal medicine physician in 2024

10,361 Medicare Part D claims for 694 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 224 claims were for opioids.

  1. Roman Pyasta10,361
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium574 claims
  2. Amlodipine Besylate452 claims
  3. Rosuvastatin Calcium440 claims
  4. Levothyroxine Sodium400 claims
  5. Losartan Potassium378 claims
  6. Metoprolol Succinate360 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.

Bills Medicare through one group practice

  1. Aurora Medical Group, Inc.Howard, WI

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

Roman T. Pyasta among 2,078 internal medicine physician records in Wisconsin

Roman T. Pyasta, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 46% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1994 · median 2002 among the 1,098 with a school on file
  • Record last updated2024 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

42 internal medicine physician records list a practice address in Waukesha

They are 42 of the 2,814 NPPES records with a practice address in Waukesha, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Margaret BarrettWaukesha, WI 531861912161647
  2. Bruce Berry, M.D.Waukesha, WI 531861710065230
  3. Cassandra Edwards, DOWaukesha, WI 531861598027203
  4. Melissa Kalt, MDWaukesha, WI 531861326011701
  5. Timothy McAvoy, MDWaukesha, WI 531861396792255
  6. Kieran McAvoy, MDWaukesha, WI 531861316407372
  7. Surendra Patel, M.D.Waukesha, WI 531861265748404
  8. Rajan Regmi, MDWaukesha, WI 531861447413570

Common questions

What is Roman T. Pyasta, MD's NPI number?

Roman T. Pyasta, MD's National Provider Identifier (NPI) is 1487607115, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roman T. Pyasta, MD located?

The NPPES record lists a practice address at W231N1440 Corporate CT, Waukesha, WI, 53186. Phone: (262) 896-6000. Providers update this record themselves, so call before visiting.

How can I verify Roman T. Pyasta, MD's license?

NPPES lists Wisconsin license number 42394, 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 Roman T. Pyasta, MD prescribe under Medicare Part D?

In 2024, Roman T. Pyasta, MD had 10,361 Medicare Part D claims for 694 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.