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SABINA MARY MATHEW FNP
NPI 1639604226
Nurse Practitioner - Family in Stamford, CT

Active since April 21, 2017PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
29 HOSPITAL PLZ STE 501, STAMFORD, CT 06902(203) 276-2321(203) 276-2327 Get Directions Write a Review

NPPES record last updated: February 27, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 21, 2021, Apr 20, 2019, Mar 17, 2018 and 3 more (6 updates tracked since 2017).

About Sabina Mary Mathew Fnp NPPES

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

SABINA MARY MATHEW FNP (NPI 1639604226) is an individual family provider in Stamford, Connecticut, licensed in Connecticut (7361) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1639604226
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSABINA MARY MATHEWCredential: FNP
Location Address29 HOSPITAL PLZ STE 501Stamford, CT 06902-3602
Mailing Address29 Hospital Plz Ste 501Stamford, CT 06902-3602 · (203) 276-2321 · Fax (203) 276-2327
Phone(203) 276-2321
Fax(203) 276-2327
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 21, 2017
Last NPPES UpdateFebruary 27, 20246 updates tracked since enumeration
NPPES CertifiedFebruary 27, 2024
✔ NPI 1639604226 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
Licenses✔ Licensed in CT · 7361✔ Licensed in NY · 340555
29 HOSPITAL PLZ STE 501, Stamford, CT 06902
Open in Google Maps ↗

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

Sabina Mary Mathew Fnp 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 ID7810255361
PECOS Enrollment IDI20171211002384
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

3

Medicare enrollment records show Sabina Mathew reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Stamford Health Medical Group Inc
2.8 mi
General Practice
ONE OMEGA DRIVE, BUILDING 3, 2ND FLOOR
Stamford, CT 06907
  • Reassigned Medicare billing, Connecticut enrollment
  • 496 clinicians in this Medicare group
NPI 1154633980 (203) 276-7447
Boston Children's Health Physicians, LLP
14 mi
Pediatrics
19 SKYLINE DR OFC 1N-D06
Hawthorne, NY 10532
  • Reassigned Medicare billing, New York enrollment
  • 511 clinicians in this Medicare group
NPI 1467454967 (914) 594-2100
New York University
1,067 mi
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 2,450 clinicians in this Medicare group
NPI 1285826438 (877) 648-2964

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

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.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

Other Providers at the Same Location NPPES 7

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

DONNA M LENTINI APRN
Nurse Practitioner (Adult Health)
29 HOSPITAL PLZ STE 501
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-2321
EBTISAM FADDOUL PA-C
Physician Assistant
29 HOSPITAL PLZ STE 501
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-4400
KATHRYN SULLIVAN MITRA ACNP-BC
Nurse Practitioner (Acute Care)
29 HOSPITAL PLZ STE 501
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-2321
TRACI UMBREIT FNP
Nurse Practitioner (Family)
29 HOSPITAL PLZ STE 501
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-4400
HAMED EMAMI M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
29 HOSPITAL PLZ STE 501
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-2321
SHAILYN GONZALEZ PHYSICIAN ASSISTANT
Physician Assistant
29 HOSPITAL PLZ STE 501
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-2321
DR. JOSHUA MICHAEL LADER M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
29 HOSPITAL PLZ STE 501
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-2321

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 Sabina Mathew's NPI number?

The NPI number for Sabina Mathew is 1639604226. It was assigned to this individual provider in the NPPES registry on April 21, 2017.

Where is Sabina Mathew located?

Sabina Mathew practices at 29 Hospital Plz Ste 501, Stamford, CT 06902. The listed phone number is (203) 276-2321.

What is Sabina Mathew's specialty?

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

Is Sabina Mathew enrolled in Medicare?

Yes. Sabina Mathew 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 Sabina Mathew's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sabina Mathew reassigns Medicare benefits to 3 organizations: Stamford Health Medical Group Inc (Stamford, CT), Boston Children's Health Physicians, LLP (Hawthorne, NY) and New York University (Boynton Beach, FL). 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 Sabina Mathew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sabina Mathew was last updated on February 27, 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.