NPPES file of Aug 9, 2026

Charles J. Kert, M.D.

Hospitalist Physician · Wareham, MA

Charles J. Kert, M.D. is a hospitalist physician with a practice address in Wareham, Massachusetts, and NPI 1023024031, issued on Jul 31, 2006. Check the license (Massachusetts 262546, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1023024031
Name
Charles J. Kert
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
262546 MA
Self-reported in NPPES; status is on the state search
Practice location
43 High St, Wareham, MA 02571
Phone
(508) 973-5919
Enumerated
Jul 31, 2006
Record last updated
Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(508) 973-5916
Medicaid ID
110104338A MA
Medicare enrollment
Enrolled (PECOS I20150925000784); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1981
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 43 High St

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

  1. Katie Akley, PHARM. D.Pharmacotherapy Pharmacist1437171758
  2. Pilar Alonso, M.D.Infectious Disease Physician1841295748
  3. Lisa Billings, NPAdult Health Nurse Practitioner1083916928
  4. Judith Catalan, NPNurse Practitioner1124212634
  5. Keith Chappell, M.D.Emergency Medicine Physician1770881179
  6. Joyce Collins, LICSW,CASClinical Social Worker1437489101

Verify Charles J. Kert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 262546
    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 Massachusetts 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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48% fewer Medicare Part D claims than the average hospitalist physician in 2024

272 Medicare Part D claims for 94 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Charles Kert272
  2. Specialty average521

Most prescribed

  1. Prednisone19 claims
  2. Furosemide14 claims
  3. Atorvastatin Calcium11 claims
  4. Eliquis11 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: $17.07

1 payment: food and beverage; the largest payer was Janssen Scientific Affairs, LLC. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Kert$17.07
  2. Specialty average$494.84

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

Bills Medicare through 2 group practices

  1. Physicians OF Falmouth HospitalFalmouth, MA
  2. Southcoast Physicians Group IncNew Bedford, MA

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

Charles J. Kert among 525 hospitalist physician records in Massachusetts

Charles J. Kert, M.D. is one of 525 hospitalist physician records with a practice address in Massachusetts. 92% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 80% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 86% of these records are
  • Graduated1981 · median 2012 among the 449 with a school on file
  • Record last updated2020 · 36% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 hospitalist physician records list a practice address in Wareham

They are 4 of the 298 NPPES records with a practice address in Wareham, and 525 hospitalist physician records in Massachusetts.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Paymon Kayhani, M.D.Wareham, MA 025711215995543
  2. Peng Zhang, MDWareham, MA 025711811105737
  3. Joseph Litwak, MDOak Bluffs, MA 025571396792958
  4. Timothy Arruda, MDHyannis, MA 026011538134333
  5. Ean Callanan, MDHyannis, MA 026011366417156
  6. Geoffrey Champagne, D.O.Hyannis, MA 026011023343498
  7. Alice Daley, MDHyannis, MA 026011942276407
  8. Zlatan Kurjakovic, MDHyannis, MA 026011538396700

Common questions

What is Charles J. Kert, M.D.'s NPI number?

Charles J. Kert, M.D.'s National Provider Identifier (NPI) is 1023024031, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles J. Kert, M.D. located?

The NPPES record lists a practice address at 43 High St, Wareham, MA, 02571. Phone: (508) 973-5919. Providers update this record themselves, so call before visiting.

How can I verify Charles J. Kert, M.D.'s license?

NPPES lists Massachusetts license number 262546, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charles J. Kert, M.D. prescribe under Medicare Part D?

In 2024, Charles J. Kert, M.D. had 272 Medicare Part D claims for 94 beneficiaries; the average among hospitalist physician prescribers was 521. 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.