NPPES file of Aug 9, 2026

Lydia Rita Assioun, M.D.

Hospitalist Physician · Milwaukee, WI

Lydia Rita Assioun, M.D. is a hospitalist physician with a practice address in Milwaukee, Wisconsin, and NPI 1487049128, issued on Mar 31, 2015. Check the license (Wisconsin 72657, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487049128
Name
Lydia Rita Assioun
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
72657 WI
Self-reported in NPPES; status is on the state search
Practice location
2320 N Lake Dr, Milwaukee, WI 53211
Phone
(414) 270-4932
Enumerated
Mar 31, 2015
Record last updated
Aug 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181020000610); 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.
Download card Updates feed

Also registered at 2320 N Lake Dr

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

  1. Naveen Bilgi, MDInternal Medicine Physician1346482775
  2. Lucian DorneanuHospitalist Physician1922539790
  3. Teresa Gallo, APNPNurse Practitioner1336226638
  4. Steve Johnston, MDFamily Medicine Physician1275623993
  5. Wesley Lafferty, MDFamily Medicine Physician1598845646
  6. Nancy Leahy, NPNurse Practitioner1407992779

Verify Lydia Rita Assioun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 72657
    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.

60% fewer Medicare Part D claims than the average hospitalist physician in 2024

208 Medicare Part D claims for 92 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Lydia Assioun208
  2. Specialty average521

Most prescribed

  1. Pantoprazole Sodium19 claims
  2. Prednisone12 claims
  3. Cefuroxime11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 75.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score66.8
  2. Costout of 100 · 30%51.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. New Liberty Hospital CorporationLiberty, MO

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

Lydia Rita Assioun among 894 hospitalist physician records in Wisconsin

Lydia Rita Assioun, M.D. is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 55% of them.

  • NPI issued2015 · 55% of these records are older, 41% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 86% of these records are
  • Graduated2013 · median 2011 among the 768 with a school on file
  • Record last updated2020 · 29% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

229 hospitalist physician records list a practice address in Milwaukee

They are 229 of the 18,389 NPPES records with a practice address in Milwaukee, and 894 hospitalist physician records in Wisconsin.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Candace BordersMilwaukee, WI 532111457855686
  2. Loritz Chavez, M.D.Milwaukee, WI 532111801816517
  3. John Chou, MDMilwaukee, WI 532111215288444
  4. Lucian DorneanuMilwaukee, WI 532111922539790
  5. Mohammed Elahi, MDMilwaukee, WI 532111528322674
  6. Ikechukwu Ibekwe, M.D, MPHMilwaukee, WI 532111568859320
  7. Arun Kumar, MDMilwaukee, WI 532111306363940
  8. Nisha Patel, MDMilwaukee, WI 532111548656663

Common questions

What is Lydia Rita Assioun, M.D.'s NPI number?

Lydia Rita Assioun, M.D.'s National Provider Identifier (NPI) is 1487049128, issued on Mar 31, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Lydia Rita Assioun, M.D. located?

The NPPES record lists a practice address at 2320 N Lake Dr, Milwaukee, WI, 53211. Phone: (414) 270-4932. Providers update this record themselves, so call before visiting.

How can I verify Lydia Rita Assioun, M.D.'s license?

NPPES lists Wisconsin license number 72657, 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 Lydia Rita Assioun, M.D. prescribe under Medicare Part D?

In 2024, Lydia Rita Assioun, M.D. had 208 Medicare Part D claims for 92 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Lydia Rita Assioun, M.D.'s MIPS final score?

The 2023 MIPS final score is 75.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.