NPPES file of Aug 9, 2026

Reena A. George, MD

Allergy & Immunology (Internal Medicine) Physician · Thiensville, WI

Reena A. George, MD is an allergy & immunology (internal medicine) physician with a practice address in Thiensville, Wisconsin, and NPI 1568542140, issued on Oct 17, 2006. Check the license (Wisconsin 40020, 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
1568542140
Name
Reena A. George
Credential
MD
Primary taxonomy
Allergy & Immunology (Internal Medicine) Physician 207RA0201X
License number
40020 WI
Self-reported in NPPES; status is on the state search
Practice location
136 N Main St Ste 201, Thiensville, WI 53092
Phone
(262) 242-3369
Enumerated
Oct 17, 2006
Record last updated
Aug 23, 2023
Fax
(833) 599-2486
Medicare enrollment
Enrolled (PECOS I20050723000112); 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 136 N Main St Ste 201

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

  1. Samantha CacaceClinical Social Worker1275343949

Verify Reena A. George in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 40020
    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

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62% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024

296 Medicare Part D claims for 85 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Reena George296
  2. Specialty average789

Most prescribed

  1. Azelastine Hcl51 claims
  2. Fluticasone Propionate45 claims
  3. Ipratropium Bromide32 claims
  4. Breo Ellipta20 claims
  5. Montelukast Sodium16 claims
  6. Albuterol Sulfate Hfa14 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. Mercy Health System CorporationJanesville, WI

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

Reena A. George among 22 allergy & immunology (internal medicine) physician records in Wisconsin

Reena A. George, MD is one of 22 allergy & immunology (internal medicine) physician records with a practice address in Wisconsin. 86% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 41% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1992 · median 2003 among the 15 with a school on file
  • Record last updated2023 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 allergy & immunology (internal medicine) physician record lists a practice address in Thiensville

They are 1 of the 54 NPPES records with a practice address in Thiensville, and 22 allergy & immunology (internal medicine) physician records in Wisconsin.

The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes

  1. Srilatha Lazzaro, M.D.Sheboygan, WI 530811790941227
  2. Monica Vasudev, MDSheboygan, WI 530811598711665
  3. Nathan Lebak, MDBurlington, WI 531051285841155
  4. Mark Hermanoff, MDSummit, WI 530661447309786
  5. Shelley Watters, MDSummit, WI 530661407963457
  6. Lilian Gonzalez, M.D.Menomonee Falls, WI 530511417332016
  7. Ashvini BiswasKenosha, WI 531421154616795
  8. Mary Rolfes-Lo, M.D.Oak Creek, WI 531541508839838

Common questions

What is Reena A. George, MD's NPI number?

Reena A. George, MD's National Provider Identifier (NPI) is 1568542140, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Reena A. George, MD located?

The NPPES record lists a practice address at 136 N Main St Ste 201, Thiensville, WI, 53092. Phone: (262) 242-3369. Providers update this record themselves, so call before visiting.

How can I verify Reena A. George, MD's license?

NPPES lists Wisconsin license number 40020, 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 Reena A. George, MD prescribe under Medicare Part D?

In 2024, Reena A. George, MD had 296 Medicare Part D claims for 85 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.