NPPES file of Aug 9, 2026

Mark Lawrence Kraus, MD

Internal Medicine Physician · Waterbury, CT

Mark Lawrence Kraus, MD is an internal medicine physician with a practice address in Waterbury, Connecticut, and NPI 1851493969, issued on Sep 1, 2006. Check the license (Connecticut 18376, as entered in NPPES) on the Connecticut 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
1851493969
Name
Mark Lawrence Kraus
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
18376 CT
Self-reported in NPPES; status is on the state search
Practice location
714 Chase Parkway, Waterbury, CT 06708
Phone
(203) 756-4577
Enumerated
Sep 1, 2006
Record last updated
Oct 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(203) 756-3628
Medicaid ID
001183763 CT
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 714 Chase Parkway

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

  1. William Arguett, DMDDentist1437225281

Verify Mark Lawrence Kraus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 18376
    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 Connecticut license search

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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

302 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Mark Kraus302
  2. Specialty average3,176

Most prescribed

  1. Trazodone Hcl46 claims
  2. Gemtesa17 claims
  3. Januvia16 claims
  4. Venlafaxine Hcl Er12 claims
  5. Cartia Xt11 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.

Mark Lawrence Kraus among 2,623 internal medicine physician records in Connecticut

Mark Lawrence Kraus, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 52% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2021 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

119 internal medicine physician records list a practice address in Waterbury

They are 119 of the 3,148 NPPES records with a practice address in Waterbury, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ionut Anton, MDWaterbury, CT 067081770550238
  2. Kevin Carr, MDWaterbury, CT 067081356316061
  3. Deborah Casey, MDWaterbury, CT 067081740253632
  4. Shiven Chabria, MDWaterbury, CT 067081932172830
  5. Dragoslav Drca, M.D.Waterbury, CT 067081700820008
  6. Yvette Fernandez, MDWaterbury, CT 067081114968302
  7. Thomas Gniadek, M.D.Waterbury, CT 067081972591931
  8. Fausto Lanao, MDWaterbury, CT 067081801844675

Common questions

What is Mark Lawrence Kraus, MD's NPI number?

Mark Lawrence Kraus, MD's National Provider Identifier (NPI) is 1851493969, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Lawrence Kraus, MD located?

The NPPES record lists a practice address at 714 Chase Parkway, Waterbury, CT, 06708. Phone: (203) 756-4577. Providers update this record themselves, so call before visiting.

How can I verify Mark Lawrence Kraus, MD's license?

NPPES lists Connecticut license number 18376, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Lawrence Kraus, MD prescribe under Medicare Part D?

In 2024, Mark Lawrence Kraus, MD had 302 Medicare Part D claims; 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.