NPPES file of Aug 9, 2026

Stuart S. Genser, MD

Internal Medicine Physician · West Hartford, CT

Stuart S. Genser, MD is an internal medicine physician with a practice address in West Hartford, Connecticut, and NPI 1871505313, issued on Aug 13, 2006. Check the license (Connecticut 019476, 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
1871505313
Name
Stuart S. Genser
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
019476 CT
Self-reported in NPPES; status is on the state search
Practice location
631 Quaker LN S, West Hartford, CT 06110
Phone
(860) 233-5133
Enumerated
Aug 13, 2006
Record last updated
Jul 16, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(860) 233-5212
Medicare enrollment
Enrolled (PECOS I20091222000416); accepts Medicare assignment
Medical or professional school
Medical College Of Pennsylvania, 1976
Telehealth
Offers telehealth (CMS)
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 631 Quaker LN S

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

  1. Shannon Blake, PAPhysician Assistant1578509238
  2. Julia FitzpatrickPhysical Therapist1770959496
  3. Rachel Glantz, PA-CPhysician Assistant1508263617
  4. Cheryl Laflamme, APRNNurse Practitioner1760495881
  5. Kristin Meyer, APRNAdult Health Nurse Practitioner1124130059
  6. Marybeth Moore, PA-C, MPHMedical Physician Assistant1033389192

Verify Stuart S. Genser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 019476
    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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2.9 times the Medicare Part D claims of the average internal medicine physician in 2024

9,055 Medicare Part D claims for 803 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. 91 claims were for opioids.

  1. Stuart Genser9,055
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium883 claims
  2. Rosuvastatin Calcium608 claims
  3. Levothyroxine Sodium578 claims
  4. Amlodipine Besylate408 claims
  5. Losartan Potassium351 claims
  6. Simvastatin333 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 2 group practices

  1. Mclean FundSimsbury, CT
  2. Prohealth Physicians PCWest Hartford, CT

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

Stuart S. Genser among 2,623 internal medicine physician records in Connecticut

Stuart S. Genser, 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 fileYes · 63% of these records are
  • Graduated1976 · median 2004 among the 1,646 with a school on file
  • Record last updated2007 · 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).

51 internal medicine physician records list a practice address in West Hartford

They are 51 of the 1,653 NPPES records with a practice address in West Hartford, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Yevgeniy Borshchenko, M.D.West Hartford, CT 061101932586765
  2. Sarah Dainiak, M.D.West Hartford, CT 061101154326833
  3. Nino Gigauri, M.D.Hartford, CT 061101487036802
  4. Herbert Hoffman, MDWest Hartford, CT 061101891718763
  5. Michael Jimenez, MDWest Hartford, CT 061101831101443
  6. Deborah Keightley, MDWest Hartford, CT 061101902882442
  7. Andres Makarem, MDWest Hartford, CT 061101831327964
  8. Diana Rodriguez, M.D.West Hartford, CT 061101942620927

Common questions

What is Stuart S. Genser, MD's NPI number?

Stuart S. Genser, MD's National Provider Identifier (NPI) is 1871505313, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stuart S. Genser, MD located?

The NPPES record lists a practice address at 631 Quaker LN S, West Hartford, CT, 06110. Phone: (860) 233-5133. Providers update this record themselves, so call before visiting.

How can I verify Stuart S. Genser, MD's license?

NPPES lists Connecticut license number 019476, 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 Stuart S. Genser, MD prescribe under Medicare Part D?

In 2024, Stuart S. Genser, MD had 9,055 Medicare Part D claims for 803 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.