NPPES file of Aug 9, 2026

Lex A. Nerenberg, M.D.

Internal Medicine Physician · Plymouth, MN

Lex A. Nerenberg, M.D. is an internal medicine physician with a practice address in Plymouth, Minnesota, and NPI 1275620627, issued on Oct 6, 2006. Check the license (Minnesota 27941, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1275620627
Name
Lex A. Nerenberg
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
27941 MN
Self-reported in NPPES; status is on the state search
Practice location
2805 Campus Dr, Plymouth, MN 55441
Phone
(763) 520-2980
Enumerated
Oct 6, 2006
Record last updated
Jul 13, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2805 Campus Dr

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

  1. Lana Abboud, PSYD, LP, MAC L.AC,Psychologist1316340128
  2. Alejandro Aguirre, D.D.S.,M.S.Endodontics1609818186
  3. Stephanie Band, PTPhysical Therapist1952405003
  4. Daniel Day, MEOphthalmology Physician1477531333
  5. Michael Fasching, MDPlastic Surgery Physician1346271988
  6. Michael Grouws, M.D.Internal Medicine Physician1114014560

Verify Lex A. Nerenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 27941
    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 Minnesota 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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51% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,545 Medicare Part D claims for 379 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Lex Nerenberg1,545
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium163 claims
  2. Amlodipine Besylate114 claims
  3. Lisinopril114 claims
  4. Metoprolol Succinate96 claims
  5. Levothyroxine Sodium88 claims
  6. Rosuvastatin Calcium79 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.

Lex A. Nerenberg among 2,632 internal medicine physician records in Minnesota

Lex A. Nerenberg, M.D. is one of 2,632 internal medicine physician records with a practice address in Minnesota. 75% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 58% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2007 · 57% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 internal medicine physician records list a practice address in Plymouth

They are 19 of the 1,500 NPPES records with a practice address in Plymouth, and 2,632 internal medicine physician records in Minnesota.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Alfred Chiang, D.O.Plymouth, MN 554411043243827
  2. Scott Flaata, DOPlymouth, MN 554411801962931
  3. Michael Grouws, M.D.Plymouth, MN 554411114014560
  4. Syed Hasan, MDPlymouth, MN 554411841492188
  5. Erick Huang, D.O.Plymouth, MN 554411134388218
  6. Ronald Kaufman, M.D., PH.D.Plymouth, MN 554411295734374
  7. Robert Lager, M.D.Plymouth, MN 554411962599480
  8. Brian Miller, MDPlymouth, MN 554411427215433

Common questions

What is Lex A. Nerenberg, M.D.'s NPI number?

Lex A. Nerenberg, M.D.'s National Provider Identifier (NPI) is 1275620627, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lex A. Nerenberg, M.D. located?

The NPPES record lists a practice address at 2805 Campus Dr, Plymouth, MN, 55441. Phone: (763) 520-2980. Providers update this record themselves, so call before visiting.

How can I verify Lex A. Nerenberg, M.D.'s license?

NPPES lists Minnesota license number 27941, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Lex A. Nerenberg, M.D. prescribe under Medicare Part D?

In 2024, Lex A. Nerenberg, M.D. had 1,545 Medicare Part D claims for 379 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.