NPPES file of Aug 9, 2026

Kathleen S. Mauks, M.D.

Internal Medicine Physician · Danbury, CT

Kathleen S. Mauks, M.D. is an internal medicine physician with a practice address in Danbury, Connecticut, and NPI 1629064035, issued on Sep 21, 2005. Check the license (Connecticut 014605, 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
1629064035
Name
Kathleen S. Mauks
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
014605 CT
Self-reported in NPPES; status is on the state search
Practice location
57 North St, Danbury, CT 06810
Phone
(203) 743-0100
Enumerated
Sep 21, 2005
Record last updated
Oct 1, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(203) 794-1851
Medicaid ID
001146059 CT
Medicare enrollment
Enrolled (PECOS I20081107000432); may accept Medicare assignment
Medical or professional school
Medical College Of Pennsylvania, 1969
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.
Download card Updates feed

Also registered at 57 North St

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

  1. Majed Alfi, M.D.Student in an Organized Health Care Education/Training Program1104274521
  2. Ahmad Alharbi, M.D.Student in an Organized Health Care Education/Training Program1598113003
  3. John Barta, DMDGeneral Practice Dentistry1891853164
  4. Jody Bayer, LCSWClinical Social Worker1609118355
  5. Michelle Beck, M.S., L.M.F.T.Marriage & Family Therapist1013123454
  6. Paul Betschart, DPMPodiatrist1639270044

Verify Kathleen S. Mauks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 014605
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

62% more Medicare Part D claims than the average internal medicine physician in 2024

5,148 Medicare Part D claims for 306 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. 78 claims were for opioids.

  1. Kathleen Mauks5,148
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium334 claims
  2. Amlodipine Besylate252 claims
  3. Atorvastatin Calcium223 claims
  4. Losartan Potassium189 claims
  5. Lisinopril180 claims
  6. Metoprolol Succinate167 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. Connecticut Institute For Communities IncDanbury, CT

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

Kathleen S. Mauks among 2,623 internal medicine physician records in Connecticut

Kathleen S. Mauks, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1969 · median 2004 among the 1,646 with a school on file
  • Record last updated2012 · 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).

112 internal medicine physician records list a practice address in Danbury

They are 112 of the 2,412 NPPES records with a practice address in Danbury, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Alka Aggarwal, MDDanbury, CT 068101427041987
  2. Charles Cahn, M.D.Danbury, CT 068101720064504
  3. Karen Coblens, MDDanbury, CT 068101063479848
  4. Allen Davis, M.D.Danbury, CT 068101639163439
  5. Amin Elashker, DODanbury, CT 068101093794182
  6. Sateesh Kathiravelu, M.D.Danbury, CT 068101083665244
  7. Asha Marhatta, MD; MPHDanbury, CT 068101366490013
  8. Anne Mauks, M.D.Danbury, CT 068101427044569

Common questions

What is Kathleen S. Mauks, M.D.'s NPI number?

Kathleen S. Mauks, M.D.'s National Provider Identifier (NPI) is 1629064035, issued on Sep 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen S. Mauks, M.D. located?

The NPPES record lists a practice address at 57 North St, Danbury, CT, 06810. Phone: (203) 743-0100. Providers update this record themselves, so call before visiting.

How can I verify Kathleen S. Mauks, M.D.'s license?

NPPES lists Connecticut license number 014605, 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 Kathleen S. Mauks, M.D. prescribe under Medicare Part D?

In 2024, Kathleen S. Mauks, M.D. had 5,148 Medicare Part D claims for 306 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.