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

CAROLINE L UGOLYN APRN
NPI 1205125010
Nurse Practitioner - Family in Darien, CT

Active since April 01, 2011PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
50 OLD KINGS HWY N, DARIEN, CT 06820(203) 662-9333(203) 662-9313 Get Directions Write a Review

NPPES record last updated: October 23, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Caroline L Ugolyn Aprn NPPES

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

CAROLINE L UGOLYN APRN (NPI 1205125010) is an individual family provider in Darien, Connecticut, licensed in Connecticut (094032) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1205125010
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCAROLINE L UGOLYNCredential: APRN
Location Address50 OLD KINGS HWY NDarien, CT 06820-4609
Mailing Address761 Main Ave, Suite 201Norwalk, CT 06851-1080 · (203) 838-4000 · Fax (203) 845-9535
Phone(203) 662-9333
Fax(203) 662-9313
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateApril 1, 2011
Last NPPES UpdateOctober 23, 2019
✔ NPI 1205125010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CT · 094032
Also ListedRegistered Nurse · Medical-SurgicalTaxonomy 163WM0705X · License 094032 (CT)
50 OLD KINGS HWY N, Darien, CT 06820
Open in Google Maps ↗

Other Names 1

Former Name (1)Caroline P Luke Aprn

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Caroline L Ugolyn 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 ID2365629086
PECOS Enrollment IDI20130925000933
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 Reassignment

Medicare enrollment records show Caroline Ugolyn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hartford Healthcare Medical Group Specialists, PLLC
62 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.

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.
184 services166 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.
74 services69 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
46 services45 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
35 services32 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.
34 services34 patients
Transitional care management services for problem of high complexity 99496
Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.
26 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06820 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

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 Caroline Ugolyn's NPI number?

The NPI number for Caroline Ugolyn is 1205125010. It was assigned to this individual provider in the NPPES registry on April 1, 2011. The provider is also known as Caroline P Luke Aprn.

Where is Caroline Ugolyn located?

Caroline Ugolyn practices at 50 Old Kings Hwy N, Darien, CT 06820. The listed phone number is (203) 662-9333.

What is Caroline Ugolyn's specialty?

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

Is Caroline Ugolyn enrolled in Medicare?

Yes. Caroline Ugolyn 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 organization bills Medicare for Caroline Ugolyn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Ugolyn reassigns Medicare benefits to Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT). The 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 Caroline Ugolyn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caroline Ugolyn accept?

Health plans from Anthem Blue Cross and Blue Shield list Caroline Ugolyn 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 Caroline Ugolyn was last updated on October 23, 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.