SHANNON S DESIMONE APRN
NPI 1669456976
Nurse Practitioner - Family in Stamford, CT

Active since November 30, 2005PECOS EnrolledAccepts Medicare Assignment
96.84/100
CMS Quality Rating
1 HOSPITAL PLZ, STAMFORD, CT 06902(203) 423-9416 Get Directions Write a Review

NPPES record last updated: September 10, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 10, 2019, Sep 2, 2019 (2 updates tracked since 2019).

About Shannon S Desimone Aprn NPPES

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

SHANNON S DESIMONE APRN (NPI 1669456976) is an individual family provider in Stamford, Connecticut, licensed in Connecticut (003221) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, maintains a secondary practice location in Greenwich, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1669456976
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSHANNON S DESIMONECredential: APRN
Location Address1 HOSPITAL PLZStamford, CT 06902-3602
Mailing Address14 Tanners DrWilton, CT 06897-1117 · (203) 423-9416
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateNovember 30, 2005
Last NPPES UpdateSeptember 10, 20192 updates tracked since enumeration
✔ NPI 1669456976 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 · 003221
1 HOSPITAL PLZ, Stamford, CT 06902

Secondary Practice Location 1

Location 170 Parsonage RdGreenwich, CT 06830-3941 · Phone (203) 423-9416

Other Identifiers 1

Medicaid004252409CT

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Shannon S Desimone 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 ID9335122787
PECOS Enrollment IDI20051027000794
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

6

Medicare enrollment records show Shannon Desimone reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Geriatric Medicine
1266 E MAIN ST
Stamford, CT 06902
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Careconnectmd Connecticut P.C.
  • 168 clinicians in this Medicare group
Nurse Practitioner
240 INDIAN RIVER RD STE C7
Orange, CT 06477
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Impact Health PC
  • 129 clinicians in this Medicare group
Internal Medicine
819 WORCESTER ST, SUITE 3
Springfield, MA 01151
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Ipc Hospitalists Of New England PC
  • 88 clinicians in this Medicare group
Geriatric Medicine
100 CROSSING BLVD STE 300
Framingham, MA 01702
  • Reassigned Medicare billing, Connecticut enrollment
  • 142 clinicians in this Medicare group
Nurse Practitioner
100 CROSSING BLVD
Framingham, MA 01702
  • Reassigned Medicare billing, Connecticut enrollment
  • 149 clinicians in this Medicare group
Nurse Practitioner
6700 ALEXANDER BELL DR STE 200
Columbia, MD 21046
  • Reassigned Medicare billing, Connecticut enrollment
  • 135 clinicians in this Medicare group

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

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.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
829 services178 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
266 services82 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
197 services90 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
188 services113 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
112 services93 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
82 services58 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06902 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.

96.84/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality92.23
Improvement Activities40
Cost70.39

Reported Quality Measures

Advance Care Plan
100%418 patients5/55-star benchmark: 100%
Atrial Fibrillation and Atrial Flutter: Chronic Anticoagulation Therapy
100%84 patients5/55-star benchmark: 100%
Coronary Artery Disease (CAD): Antiplatelet Therapy
100%59 patients5/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
100%2,832 patients5/55-star benchmark: 100%
Falls: Plan of Care
100%421 patients
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
100%464 patients5/55-star benchmark: 100%
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers17 claims17 services$66.10 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier16 claims16 services$34.79 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Physician Assistant
1 HOSPITAL PLZ
STAMFORD, CT 06902
Physician Assistant (Surgical)
1 HOSPITAL PLZ
STAMFORD, CT 06902
Physician Assistant (Surgical)
1 HOSPITAL PLZ
STAMFORD, CT 06902
Obstetrics & Gynecology
1 HOSPITAL PLZ
STAMFORD, CT 06902
Nurse Practitioner (Family)
1 HOSPITAL PLZ
STAMFORD, CT 06902
Hospitalist
1 HOSPITAL PLZ
STAMFORD, CT 06902
Physician Assistant
1 HOSPITAL PLZ
STAMFORD, CT 06902
Nurse Practitioner (Family)
1 HOSPITAL PLZ
STAMFORD, CT 06902

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 Shannon Desimone's NPI number?

The NPI number for Shannon Desimone is 1669456976. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Where is Shannon Desimone located?

Shannon Desimone practices at 1 Hospital Plz, Stamford, CT 06902. The listed phone number is (203) 423-9416.

What is Shannon Desimone's specialty?

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

Is Shannon Desimone enrolled in Medicare?

Yes. Shannon Desimone 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.

Which organizations bill Medicare for Shannon Desimone's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Desimone reassigns Medicare benefits to 6 organizations: Careconnectmd Connecticut PC (Stamford, CT), Impact Health P.C. (Orange, CT), Ipc Hospitalists Of New England, P.C. (Springfield, MA), Value Based Long Term Care H PC (Framingham, MA), Hdc Care Solutions, LLC (Framingham, MA) and 1 more organization, listed in the Medicare section above. 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 Shannon Desimone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shannon Desimone accept?

Health plans from Anthem Blue Cross and Blue Shield list Shannon Desimone as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Shannon Desimone was last updated on September 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.