1. Home
  2. Directory
  3. Connecticut
  4. Old Saybrook
  5. Nurse Practitioner
  6. NPI Profile

ALYSSA ANN DUPERRY APRN
NPI 1245994284
Nurse Practitioner - Family in Old Saybrook, CT

Active since October 26, 2021PECOS EnrolledAccepts Medicare Assignment
97.27/100
CMS Quality Rating
154 MAIN ST, OLD SAYBROOK, CT 06475(860) 358-5120 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 3, 2025, Jan 23, 2022 (2 updates tracked since 2022).

About Alyssa Ann Duperry Aprn NPPES

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

ALYSSA ANN DUPERRY APRN (NPI 1245994284) is an individual family provider in Old Saybrook, Connecticut, licensed in Connecticut (10017) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1245994284
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameALYSSA ANN DUPERRYCredential: APRN
Location Address154 MAIN STOld Saybrook, CT 06475-2373
Mailing Address154 Main StOld Saybrook, CT 06475-2373 · (860) 358-5120
Phone(860) 358-5120
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateOctober 26, 2021
Last NPPES UpdateNovember 3, 20252 updates tracked since enumeration
NPPES CertifiedNovember 3, 2025
✔ NPI 1245994284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CT · 10017
154 MAIN ST, Old Saybrook, CT 06475
Open in Google Maps ↗

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

Alyssa Ann Duperry Aprn 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 ID446644033
PECOS Enrollment IDI20220224001331
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 10

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
104 services82 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.
69 services52 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
63 services63 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
50 services50 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
28 services27 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
24 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06475 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.

97.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.68
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 11

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

SUZANNE TINGLEY MD
Family Medicine
154 MAIN ST
OLD SAYBROOK, CT 06475
Lower Connecticut River Valley Planning Region (860) 395-1212
MHS PRIMARY CARE INC
Clinic/Center (Urgent Care)
154 MAIN ST
OLD SAYBROOK, CT 06475
Lower Connecticut River Valley Planning Region (860) 661-5976
MHS PRIMARY CARE
Family Medicine
154 MAIN ST
OLD SAYBROOK, CT 06475
Lower Connecticut River Valley Planning Region (860) 395-1212
DR. LEONARD G. GUITAR PSY.D.
Psychologist (Clinical)
154 MAIN ST
OLD SAYBROOK, CT 06475
Lower Connecticut River Valley Planning Region (860) 358-3923
MR. NATHAN WADE SCOTT A.P.R.N.
Nurse Practitioner (Family)
154 MAIN ST
OLD SAYBROOK, CT 06475
Lower Connecticut River Valley Planning Region (860) 395-1212
MIDDLESEX HOSPITAL
Internal Medicine
154 MAIN ST
OLD SAYBROOK, CT 06475
Lower Connecticut River Valley Planning Region (860) 358-6394
ROBYN C. REILLY APRN, FNP-BC
Nurse Practitioner (Family)
154 MAIN ST
OLD SAYBROOK, CT 06475
Lower Connecticut River Valley Planning Region (860) 661-5976
LUCINDA L HAUTANIEMI MD
Family Medicine
154 MAIN ST
OLD SAYBROOK, CT 06475
Lower Connecticut River Valley Planning Region (860) 395-1212

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 Alyssa Duperry's NPI number?

The NPI number for Alyssa Duperry is 1245994284. It was assigned to this individual provider in the NPPES registry on October 26, 2021.

Where is Alyssa Duperry located?

Alyssa Duperry practices at 154 Main St, Old Saybrook, CT 06475. The listed phone number is (860) 358-5120.

What is Alyssa Duperry's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Alyssa Duperry enrolled in Medicare?

Yes. Alyssa Duperry 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 Alyssa Duperry was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.