MS. MARY CECILIA SULLIVAN MSN, APRN
NPI 1861628893
Nurse Practitioner - Family in Stamford, CT

Active since June 04, 2009PECOS Enrolled
1 ELMCROFT RD, STAMFORD, CT 06926(203) 351-7700 Get Directions Write a Review

NPPES record last updated: June 4, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Mary Cecilia Sullivan Msn, Aprn NPPES

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

MS. MARY CECILIA SULLIVAN MSN, APRN (NPI 1861628893) is an individual family provider in Stamford, Connecticut, licensed in Connecticut (001625) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861628893
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. MARY CECILIA SULLIVANCredential: MSN, APRN
Location Address1 ELMCROFT RDStamford, CT 06926-0700
Mailing Address1 Elmcroft RdStamford, CT 06926-0700 · (203) 351-7700
Sole ProprietorNo
Enumeration DateJune 4, 2009
NPI 1861628893 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 · 001625
Also ListedNurse Practitioner · PediatricsTaxonomy 363LP0200X · License F380181-1 (NY)
1 ELMCROFT RD, Stamford, CT 06926

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Mary Cecilia Sullivan Msn, Aprn 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 06926 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.

Other Providers at the Same Location NPPES

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

Internal Medicine
1 ELMCROFT RD
STAMFORD, CT 06926

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 Mary Sullivan's NPI number?

The NPI number for Mary Sullivan is 1861628893. It was assigned to this individual provider in the NPPES registry on June 4, 2009.

Where is Mary Sullivan located?

Mary Sullivan practices at 1 Elmcroft Rd, Stamford, CT 06926. The listed phone number is (203) 351-7700.

What is Mary Sullivan's specialty?

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

Is Mary Sullivan enrolled in Medicare?

Yes. Mary Sullivan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Sullivan was last updated on June 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.