HEATHER DEMASSA APRN, RN, IBCLC
NPI 1609388560
Nurse Practitioner - Family in Darien, CT

Active since November 01, 2017PECOS Enrolled
79.07/100
CMS Quality Rating
36 GROVE STREET, 1ST FL, DARIEN, CT 06840(203) 276-4282(203) 276-8585 Get Directions Write a Review

NPPES record last updated: June 12, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 12, 2024, May 7, 2020, Nov 1, 2017 (3 updates tracked since 2017).

About Heather Demassa Aprn, Rn, Ibclc NPPES

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

HEATHER DEMASSA APRN, RN, IBCLC (NPI 1609388560) is an individual family provider in Darien, Connecticut, licensed in Connecticut (7134) and active in the NPI registry since November 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Danbury.

NPPES Registry Identity

NPI1609388560
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameHEATHER DEMASSACredential: APRN, RN, IBCLC
Location Address36 GROVE STREET, 1ST FLDarien, CT 06840-5329
Mailing Address36 Grove Street, 1st FlDarien, CT 06840-5329 · (203) 276-4282 · Fax (203) 276-8585
Fax(203) 276-8585
Sole ProprietorNo
Enumeration DateNovember 1, 2017
Last NPPES UpdateJune 12, 20243 updates tracked since enumeration
NPPES CertifiedJune 12, 2024
NPI 1609388560 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 · 7134
Also ListedRegistered Nurse · Lactation ConsultantTaxonomy 163WL0100X · License 89408 (CT)
36 GROVE STREET, Darien, CT 06840

Secondary Practice Location 1

Location 127 Hospital Ave Suite 303Danbury, CT 06810-2110 · Phone (203) 798-0500 · Fax (203) 798-0081

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Heather Demassa Aprn, Rn, Ibclc 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06840 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.

79.07/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.19
Promoting Interoperability99
Improvement Activities40
Cost57.89

Other Providers at the Same Location NPPES

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

Obstetrics & Gynecology
36 GROVE STREET, 1ST FLOOR
NEW CANAAN, CT 06840

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 Heather Demassa's NPI number?

The NPI number for Heather Demassa is 1609388560. It was assigned to this individual provider in the NPPES registry on November 1, 2017.

Where is Heather Demassa located?

Heather Demassa practices at 36 Grove Street 1st Fl, Darien, CT 06840. The listed phone number is (203) 276-4282.

What is Heather Demassa's specialty?

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

Is Heather Demassa enrolled in Medicare?

Yes. Heather Demassa is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Heather Demassa was last updated on June 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.