NPPES file of Aug 9, 2026

Kathryn E. Litwin, MD

Pediatrics Physician · Rocky Hill, CT

Kathryn E. Litwin, MD is a pediatrics physician with a practice address in Rocky Hill, Connecticut, and NPI 1407979982, issued on Apr 9, 2007. Check the license (Connecticut 045112, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407979982
Name
Kathryn E. Litwin
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
045112 CT
Self-reported in NPPES; status is on the state search
Practice location
546 Cromwell Ave, Rocky Hill, CT 06067
Phone
(860) 721-7561
Enumerated
Apr 9, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(760) 721-9199
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 546 Cromwell Ave

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

  1. Mahboob Aslam, MDAddiction Medicine (Psychiatry & Neurology) Physician1801094479
  2. Jay Benson, M.D.Addiction Medicine (Internal Medicine) Physician1720017056
  3. Robert Bogacki, MDInternal Medicine Physician1285642611
  4. John Fote, MDPediatrics Physician1972555225
  5. Edith Hergan, M.D.Addiction Medicine (Internal Medicine) Physician1326016726
  6. Brian Riley, D.O.Obstetrics & Gynecology Physician1841481579

Verify Kathryn E. Litwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 045112
    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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4 pediatrics physician records list a practice address in Rocky Hill

They are 4 of the 440 NPPES records with a practice address in Rocky Hill, and 1,043 pediatrics physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in Connecticut

  1. Sobia Aamir, MDHartford, CT1245998475
  2. Nada Abdel A'Al, M.D.Trumbull, CT1679586580
  3. Sakena Abedin, M.D.Hamden, CT1891949954
  4. Matthew Abel, MEDICAL DOCTORNew Milford, CT1538166806
  5. Suja Abraham, MDStamford, CT1568537090
  6. Robin Abramowicz, M.D.Westport, CT1346383023
  7. Nicole Abramowitz, MDWestport, CT1245243922
  8. Carnie Acier, MDNew Haven, CT1881331031
  9. Robert Adamenko, MDGlastonbury, CT1629040100
  10. Susan Adeife Lee, MDBristol, CT1528120094

Common questions

What is Kathryn E. Litwin, MD's NPI number?

Kathryn E. Litwin, MD's National Provider Identifier (NPI) is 1407979982, issued on Apr 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn E. Litwin, MD located?

The NPPES record lists a practice address at 546 Cromwell Ave, Rocky Hill, CT, 06067. Phone: (860) 721-7561. Providers update this record themselves, so call before visiting.

How can I verify Kathryn E. Litwin, MD's license?

NPPES lists Connecticut license number 045112, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.