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GREGORY FLIS AGPCNP-BC
NPI 1922484161
Nurse Practitioner - Adult Health in New Haven, CT

Active since August 10, 2015PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
1 LONG WHARF DR, SPINE CENTER, NEW HAVEN, CT 06511(203) 688-8800 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gregory Flis Agpcnp-bc NPPES

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

GREGORY FLIS AGPCNP-BC (NPI 1922484161) is an individual adult health provider in New Haven, Connecticut, licensed in Connecticut (6221) and active in the NPI registry since August 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Farmington, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1922484161
Entity TypeIndividualMale
Primary Taxonomy363LA2200X
Provider Legal NameGREGORY FLISCredential: AGPCNP-BC
Location Address1 LONG WHARF DR, SPINE CENTERNew Haven, CT 06511-5991
Mailing Address1 Long Wharf Dr, Spine CenterNew Haven, CT 06511-5991
Phone(203) 688-8800
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateAugust 10, 2015
Last NPPES UpdateFebruary 18, 2026
NPPES CertifiedFebruary 18, 2026
✔ NPI 1922484161 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in CT · 6221
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License 6221 (CT)
1 LONG WHARF DR, New Haven, CT 06511
Open in Google Maps ↗

Secondary Practice Location 1

Location 15 Munson RdFarmington, CT 06032-2094 · Phone (860) 679-6551 · Fax (860) 679-0131

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Flis Agpcnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406156314
PECOS Enrollment IDI20151125001520
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
56 services46 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
49 services45 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
38 services38 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06511 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
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.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.28
Promoting Interoperability100
Improvement Activities40
Cost59.59

Other Providers at the Same Location NPPES 20

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

DR. NEEMA DAD DDS
Student in an Organized Health Care Education/Training Program
1 LONG WHARF DR, YNHH PEDIATRIC DENTISTRY, STE 403
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 688-3000
ASHLEY ANTONUCCI DNP- FNP
Nurse Practitioner (Family)
1 LONG WHARF DR
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 688-8800
JEANETTE M TETRAULT MD
Internal Medicine
1 LONG WHARF DR
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 781-4600
HEIDI CLARKE LPN
Licensed Practical Nurse
1 LONG WHARF DR
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 781-4600
DR. LAUREL EDWARDS PSY.D.
Psychologist
1 LONG WHARF DR, SUITE 7
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 974-5775
MRS. JOANNA SAMOSKEVICH
Nurse Practitioner (Family)
1 LONG WHARF DR
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 785-7689
DONNA LAPAGLIA PSY.D.
Psychologist (Clinical)
1 LONG WHARF DR, SATU
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 974-5734
JENNIFER LOYA PHD
Psychologist
1 LONG WHARF DR
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 974-5726

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 Gregory Flis's NPI number?

The NPI number for Gregory Flis is 1922484161. It was assigned to this individual provider in the NPPES registry on August 10, 2015.

Where is Gregory Flis located?

Gregory Flis practices at 1 Long Wharf Dr Spine Center, New Haven, CT 06511. The listed phone number is (203) 688-8800.

What is Gregory Flis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Gregory Flis enrolled in Medicare?

Yes. Gregory Flis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Gregory Flis was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.