NPPES file of Aug 9, 2026

Kilbourn Gordon, MD

General Practice Physician · Groton, CT

Kilbourn Gordon, MD is a general practice physician with a practice address in Groton, Connecticut, and NPI 1952455693, issued on Jan 22, 2007. Check the license (Connecticut 038689, 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
1952455693
Name
Kilbourn Gordon
Credential
MD
Primary taxonomy
General Practice Physician 208D00000X
License number
038689 CT
Self-reported in NPPES; status is on the state search
Practice location
220 Route 12, Groton, CT 06340
Phone
(860) 650-3848
Enumerated
Jan 22, 2007
Record last updated
Mar 14, 2025
Medicare enrollment
Enrolled (PECOS I20080721000002); accepts Medicare assignment
Medical or professional school
New York Medical College, 1983
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 220 Route 12

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

  1. Joanna Breton, APRNFamily Nurse Practitioner1063997245
  2. Rodney Harvey, IDCIndependent Duty Corpsman1487063764
  3. Olivia Hunt, PHARMDPharmacist1487347449
  4. Zachary Jupin, PA-CMedical Physician Assistant1396186631
  5. John MarsellaPharmacist1548784259
  6. David McCormick, PACMedical Physician Assistant1437253655

Verify Kilbourn Gordon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 038689
    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.

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91% fewer Medicare Part D claims than the average general practice physician in 2024

266 Medicare Part D claims for 181 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.

  1. Kilbourn Gordon266
  2. Specialty average3,030

Most prescribed

  1. Methylprednisolone33 claims
  2. Nitrofurantoin Mono-Macro26 claims
  3. Albuterol Sulfate Hfa19 claims
  4. Amoxicillin-Clavulanate Potass14 claims
  5. Doxycycline Hyclate14 claims
  6. Triamcinolone Acetonide14 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. Urgent Care Medical Associates, LLCSouthbury, CT

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

Kilbourn Gordon among 75 general practice physician records in Connecticut

Kilbourn Gordon, MD is one of 75 general practice physician records with a practice address in Connecticut. 47% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 27% of them.

  • NPI issued2007 · 27% of these records are older, 65% newer
  • In a Medicare fileYes · 47% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated1983 · median 2007 among the 19 with a school on file
  • Record last updated2025 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 general practice physician records list a practice address in Groton

They are 7 of the 734 NPPES records with a practice address in Groton, and 75 general practice physician records in Connecticut.

The 8 general practice physician records with the nearest ZIP codes

  1. Galen Golden, DOGroton, CT 063491417692997
  2. Justin Gunn, MDGroton, CT 063491518584432
  3. Thomas RogersGroton, CT 063491699414763
  4. David Southerland, M.D.Groton, CT 063491932260965
  5. Adam Wahl, MDGroton, CT 063491548969579
  6. Terell WillardGroton, CT 063491225893993
  7. Kevin Wolter, MDMystic, CT 063551427323401
  8. David Boxwell, MDNorwich, CT 063601225510571

Common questions

What is Kilbourn Gordon, MD's NPI number?

Kilbourn Gordon, MD's National Provider Identifier (NPI) is 1952455693, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Kilbourn Gordon, MD located?

The NPPES record lists a practice address at 220 Route 12, Groton, CT, 06340. Phone: (860) 650-3848. Providers update this record themselves, so call before visiting.

How can I verify Kilbourn Gordon, MD's license?

NPPES lists Connecticut license number 038689, 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 Kilbourn Gordon, MD prescribe under Medicare Part D?

In 2024, Kilbourn Gordon, MD had 266 Medicare Part D claims for 181 beneficiaries; the average among general practice physician prescribers was 3,030. 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.