NPPES file of Aug 9, 2026

Glenn M. Rich, M.D.

Endocrinology, Diabetes & Metabolism Physician · Trumbull, CT

Glenn M. Rich, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Trumbull, Connecticut, and NPI 1922027259, issued on Jul 18, 2006. Check the license (Connecticut 032294, 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
1922027259
Name
Glenn M. Rich
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
032294 CT
Self-reported in NPPES; status is on the state search
Practice location
15 Corporate Dr, Trumbull, CT 06611
Phone
(203) 452-2446
Enumerated
Jul 18, 2006
Record last updated
Mar 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(203) 452-2424
Medicaid ID
001322940 CT
Medicare enrollment
Enrolled (PECOS I20101015000170); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 1986
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.
Download card Updates feed

Also registered at 15 Corporate Dr

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

  1. Nada Abdel A'Al, M.D.Pediatrics Physician1679586580
  2. John-Paul Ayala, M.D.Critical Care Medicine (Internal Medicine) Physician1740239912
  3. Marivic Botta, M.D.Pediatrics Physician1013055102
  4. Michael Cassetta, D.O.Rheumatology Physician1811916505
  5. Joseph Contini, M.D.Pediatrics Physician1891086963
  6. Nimrod Dayan, M.D.Pediatrics Physician1811900673

Verify Glenn M. Rich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 032294
    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.

2.9 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024

7,546 Medicare Part D claims for 659 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.

  1. Glenn Rich7,546
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium678 claims
  2. Rosuvastatin Calcium422 claims
  3. Jardiance380 claims
  4. Ozempic345 claims
  5. Amlodipine Besylate332 claims
  6. Lisinopril290 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.

Industry payments in 2024: $32,263.73

63 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Glenn Rich$32,264
  2. Specialty average$5,742

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Hartford Healthcare Medical Group Specialists PLLCStorrs, CT

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

Glenn M. Rich among 214 endocrinology, diabetes & metabolism physician records in Connecticut

Glenn M. Rich, M.D. is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1986 · median 2004 among the 145 with a school on file
  • Record last updated2016 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 endocrinology, diabetes & metabolism physician records list a practice address in Trumbull

They are 11 of the 786 NPPES records with a practice address in Trumbull, and 214 endocrinology, diabetes & metabolism physician records in Connecticut.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Danielle Benaviv-Meskin, MDTrumbull, CT 066111730106519
  2. Judith Castillo, MDTrumbull, CT 066111205034600
  3. Jonathan Fillmore, MDTrumbull, CT 066111578592713
  4. Sandi-Jo Galati, M.D.Trumbull, CT 066111437326147
  5. Geny George, M.D.Trumbull, CT 066111073870697
  6. Agnieszka Grochowalska, M.D.Trumbull, CT 066111144496209
  7. Maryanne Horta, M.D.Trumbull, CT 066111124209101
  8. Joseph Rosa, M.D.Trumbull, CT 066111568421469

Common questions

What is Glenn M. Rich, M.D.'s NPI number?

Glenn M. Rich, M.D.'s National Provider Identifier (NPI) is 1922027259, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Glenn M. Rich, M.D. located?

The NPPES record lists a practice address at 15 Corporate Dr, Trumbull, CT, 06611. Phone: (203) 452-2446. Providers update this record themselves, so call before visiting.

How can I verify Glenn M. Rich, M.D.'s license?

NPPES lists Connecticut license number 032294, 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 Glenn M. Rich, M.D. prescribe under Medicare Part D?

In 2024, Glenn M. Rich, M.D. had 7,546 Medicare Part D claims for 659 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.