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JEFFREY S GELWAN MD
NPI 1619071230
Internal Medicine - Gastroenterology in Glastonbury, CT

Active since September 12, 2006PECOS Enrolled
85.07/100
CMS Quality Rating
300 WESTERN BLVD, SUITE A, GLASTONBURY, CT 06033(860) 657-1920(860) 657-1925 Get Directions Write a Review

NPPES record last updated: April 29, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Jeffrey S Gelwan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY S GELWAN MD (NPI 1619071230) is an individual gastroenterology provider in Glastonbury, Connecticut, licensed in Connecticut (024826) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619071230
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJEFFREY S GELWANCredential: MD
Location Address300 WESTERN BLVD, SUITE AGlastonbury, CT 06033-4305
Mailing Address2139 Silas Deane HwyRocky Hill, CT 06067-2336 · (860) 257-4131 · Fax (860) 257-4519
Phone(860) 657-1920
Fax(860) 657-1925
Sole ProprietorNo
Enumeration DateSeptember 12, 2006
Last NPPES UpdateApril 29, 2011
✔ NPI 1619071230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 024826
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 024826 (CT)
300 WESTERN BLVD, Glastonbury, CT 06033
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINB84105
Medicare ID-Type Unspecified110005551CT
Medicaid001248261CT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jeffrey S Gelwan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Jeffrey Gelwan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Connecticut Gi PLLC
5.3 mi
Gastroenterology
85 SEYMOUR ST, 1000
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 417 clinicians in this Medicare group
NPI 1023124625 (860) 246-2571
Hartford Healthcare Medical Group Specialists, PLLC
5.3 mi
Surgery
85 SEYMOUR ST STE 415
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,921 clinicians in this Medicare group
NPI 1023584216 (860) 246-2071

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.07/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.7
Promoting Interoperability83
Improvement Activities40
Cost68.33

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
47%412 patients3/55-star benchmark: 85%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
98%1,065 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
92%2,611 patients3/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
0%430 patients1/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
96%427 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
21%1,175 patients1/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
75%1,175 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
23%1,175 patients2/55-star benchmark: 89%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 1% · 319 patients
3%319 patients4/55-star benchmark: 100%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
20%1,175 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMY C HARVILL APRN
Nurse Practitioner (Adult Health)
300 WESTERN BLVD, SUITE A
GLASTONBURY, CT 06033
Capitol Planning Region (860) 657-1920
GINA M PATERNOSTRO APRN
Nurse Practitioner (Primary Care)
300 WESTERN BLVD, SUITE A
GLASTONBURY, CT 06033
Capitol Planning Region (860) 657-1920
DR. DONNA M CIPOLLA MD
Internal Medicine (Gastroenterology)
300 WESTERN BLVD, SUITE A
GLASTONBURY, CT 06033
Capitol Planning Region (860) 657-1920
JOSEPH A CAPPA MD
Internal Medicine (Gastroenterology)
300 WESTERN BLVD, STE A
GLASTONBURY, CT 06033
Capitol Planning Region (860) 657-1920
GLASTONBURY ENDOSCOPY CENTER, LLC
Clinic/Center (Ambulatory Surgical)
300 WESTERN BLVD, BLDG., D, SUITE 100
GLASTONBURY, CT 06033
Capitol Planning Region (714) 843-5997
ANGELA M PETRONIO MD
Internal Medicine
300 WESTERN BLVD, STE A
GLASTONBURY, CT 06033
Capitol Planning Region (860) 657-1920

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeffrey Gelwan's NPI number?

The NPI number for Jeffrey Gelwan is 1619071230. It was assigned to this individual provider in the NPPES registry on September 12, 2006.

Where is Jeffrey Gelwan located?

Jeffrey Gelwan practices at 300 Western Blvd Suite A, Glastonbury, CT 06033. The listed phone number is (860) 657-1920.

What is Jeffrey Gelwan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Jeffrey Gelwan enrolled in Medicare?

Yes. Jeffrey Gelwan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jeffrey Gelwan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Gelwan reassigns Medicare benefits to 2 organizations: Connecticut Gi PLLC (Hartford, CT) and Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jeffrey Gelwan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jeffrey Gelwan was last updated on April 29, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.