NPPES file of Aug 9, 2026

Malaika Mathai, M.D.

Internal Medicine Physician · New Berlin, WI

Malaika Mathai, M.D. is an internal medicine physician with a practice address in New Berlin, Wisconsin, and NPI 1386637080, issued on Aug 26, 2005. Check the license (Wisconsin 36107, 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
1386637080
Name
Malaika Mathai
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
36107 WI
Self-reported in NPPES; status is on the state search
Practice location
14555 W National Ave, New Berlin, WI 53151
Phone
(262) 827-3636
Enumerated
Aug 26, 2005
Record last updated
Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(262) 827-3626
Medicaid ID
32205100 WI
Medicare enrollment
Enrolled (PECOS I20050615000398); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1993
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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8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →

Also registered at 14555 W National Ave

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

  1. Ghudran Abdulal, MDFamily Medicine Physician1083622666
  2. Krystyna Abdulla, DOEmergency Medicine Physician1205146578
  3. Trupti Akella, M.D.Gastroenterology Physician1215321690
  4. Courtney Amborn, DPTPhysical Therapist1629685110
  5. Sarah Arvelo, APNPNurse Practitioner1326594474
  6. Michelle Asuncion-Castor, DOFamily Medicine Physician1952044075

Verify Malaika Mathai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 36107    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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2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

6,518 Medicare Part D claims for 644 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. 37 claims were for opioids.

  1. Malaika Mathai6,518
  2. Specialty average3,176

Most prescribed

  1. Lisinopril452 claims
  2. Atorvastatin Calcium406 claims
  3. Levothyroxine Sodium370 claims
  4. Simvastatin328 claims
  5. Amlodipine Besylate262 claims
  6. Losartan Potassium254 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: $121.67

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Malaika Mathai$121.67
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. Aurora Advanced Healthcare, Inc.Mequon, WI

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

Malaika Mathai among 2,078 internal medicine physician records in Wisconsin

Malaika Mathai, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1993 · median 2002 among the 1,098 with a school on file
  • Record last updated2021 · 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).

17 internal medicine physician records list a practice address in New Berlin

They are 17 of the 662 NPPES records with a practice address in New Berlin, and 2,078 internal medicine physician records in Wisconsin.

All 2,078 in Wisconsin → Every provider in New Berlin → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Richard Basile, M.D.New Berlin, WI 531511962495978
  2. Andrew Catanzaro, MDNew Berlin, WI 531511003848243
  3. Steve Chang, MDNew Berlin, WI 531511295897569
  4. Stephen Desidero, M.D.New Berlin, WI 531511871586818
  5. Laura Duncan, MDNew Berlin, WI 531511265464408
  6. Scott Fenske, M.D.New Berlin, WI 531511619960309
  7. Soo Ah Kim, M.DNew Berlin, WI 531511851529929
  8. Dennis Mannino, M.D.New Berlin, WI 531511487647186

Common questions

What is Malaika Mathai, M.D.'s NPI number?

Malaika Mathai, M.D.'s National Provider Identifier (NPI) is 1386637080, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Malaika Mathai, M.D. located?

The NPPES record lists a practice address at 14555 W National Ave, New Berlin, WI, 53151. Phone: (262) 827-3636. Providers update this record themselves, so call before visiting.

How can I verify Malaika Mathai, M.D.'s license?

NPPES lists Wisconsin license number 36107, 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 Malaika Mathai, M.D. prescribe under Medicare Part D?

In 2024, Malaika Mathai, M.D. had 6,518 Medicare Part D claims for 644 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.