NPPES file of Aug 9, 2026

Aaron Chand Tyagi, M.D.

Critical Care Medicine (Internal Medicine) Physician · Milwaukee, WI

Aaron Chand Tyagi, M.D. is a critical care medicine (internal medicine) physician with a practice address in Milwaukee, Wisconsin, and NPI 1811383086, issued on Apr 14, 2015. Check the license (Wisconsin 101876, 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
1811383086
Name
Aaron Chand Tyagi
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
101876 WI
MD-45081 IA
TP383 KY
Self-reported in NPPES; status is on the state search
Practice location
2900 W Oklahoma Ave, Milwaukee, WI 53215
Phone
(414) 649-6000
Enumerated
Apr 14, 2015
Record last updated
Oct 18, 2024
Medicaid ID
100284777 WI
Medicare enrollment
Enrolled (PECOS I20240819002862); 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 2900 W Oklahoma Ave

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

  1. Hamza Abdul Majeed, DOHospitalist Physician1881013282
  2. Vincent Abejuela, DOHospitalist Physician1356928543
  3. Islam Abo Al Nadie, MDHospitalist Physician1326618786
  4. Zaid Abood, MDHospitalist Physician1194254334
  5. Syed AbutalibHematology & Oncology Physician1114183290
  6. Kalid Adab, MDHematology & Oncology Physician1346473345

Verify Aaron Chand Tyagi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 101876
    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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95% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

34 Medicare Part D claims for 21 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.

  1. Aaron Tyagi34
  2. Specialty average696

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): 100 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. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  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. Aurora Medical Group, Inc.Milwaukee, WI

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

Aaron Chand Tyagi among 134 critical care medicine (internal medicine) physician records in Wisconsin

Aaron Chand Tyagi, M.D. is one of 134 critical care medicine (internal medicine) physician records with a practice address in Wisconsin. 89% 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 66% of them.

  • NPI issued2015 · 66% of these records are older, 26% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2015 · median 2008 among the 108 with a school on file
  • Record last updated2024 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Wisconsin

There are 134 critical care medicine (internal medicine) physician records in Wisconsin.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Venkata Vijay Anne, MDMilwaukee, WI 532151972520823
  2. Zeeshan Ehsan, M.D.Milwaukee, WI 532151518174598
  3. Sara Fleet, MDMilwaukee, WI 532151326083007
  4. Mihirkumar Gandhi, MDMilwaukee, WI 532151437364676
  5. Kerry Henrickson, MDMilwaukee, WI 532151477623247
  6. David Kramer, M.D.Milwaukee, WI 532151336136225
  7. Charles Ojielo, M.D.Milwaukee, WI 532151366462111
  8. James Prahl, M.D.Milwaukee, WI 532151437211539

Common questions

What is Aaron Chand Tyagi, M.D.'s NPI number?

Aaron Chand Tyagi, M.D.'s National Provider Identifier (NPI) is 1811383086, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Chand Tyagi, M.D. located?

The NPPES record lists a practice address at 2900 W Oklahoma Ave, Milwaukee, WI, 53215. Phone: (414) 649-6000. Providers update this record themselves, so call before visiting.

How can I verify Aaron Chand Tyagi, M.D.'s license?

NPPES lists Wisconsin license number 101876, 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 Aaron Chand Tyagi, M.D. prescribe under Medicare Part D?

In 2024, Aaron Chand Tyagi, M.D. had 34 Medicare Part D claims for 21 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.

What is Aaron Chand Tyagi, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.