LAUREN STEWART MD
NPI 1235725599
Obstetrics & Gynecology - Maternal & Fetal Medicine in Stony Brook, NY

Active since December 21, 2020PECOS Enrolled
101 NICOLLS RD, STONY BROOK, NY 11794(631) 689-8333 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 30, 2021, Dec 21, 2020 (2 updates tracked since 2020).

About Lauren Stewart Md NPPES

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

LAUREN STEWART MD (NPI 1235725599) is an individual maternal & fetal medicine provider in Stony Brook, New York, licensed in Texas (V8407) and active in the NPI registry since December 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1235725599
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameLAUREN STEWARTCredential: MD
Location Address101 NICOLLS RDStony Brook, NY 11794-5704
Mailing Address101 Nicolls RdStony Brook, NY 11794-0001 · (631) 689-8333
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateDecember 21, 2020
Last NPPES UpdateAugust 20, 20252 updates tracked since enumeration
NPPES CertifiedAugust 20, 2025
NPI 1235725599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License Licensed in TX · V8407
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
101 NICOLLS RD, Stony Brook, NY 11794

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Lauren Stewart Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5799204756
PECOS Enrollment IDI20251022000849
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 11794 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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 20

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

Internal Medicine
101 NICOLLS RD
STONY BROOK, NY 11794
Internal Medicine (Gastroenterology)
101 NICOLLS RD
STONY BROOK, NY 11794
Social Worker (Clinical)
101 NICOLLS RD
STONY BROOK, NY 11794
Nurse Practitioner (Adult Health)
101 NICOLLS RD
STONY BROOK, NY 11794
Nurse Practitioner (Adult Health)
101 NICOLLS RD
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD
STONY BROOK, NY 11794

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 Lauren Stewart's NPI number?

The NPI number for Lauren Stewart is 1235725599. It was assigned to this individual provider in the NPPES registry on December 21, 2020.

Where is Lauren Stewart located?

Lauren Stewart practices at 101 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (631) 689-8333.

What is Lauren Stewart's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Lauren Stewart enrolled in Medicare?

Yes. Lauren Stewart is registered in the Medicare PECOS enrollment system.

What insurance does Lauren Stewart accept?

Health plans from Blue Cross and Blue Shield of Texas list Lauren Stewart 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 Lauren Stewart was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.