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DR. STEPHANIE TARDIEU M.D.
NPI 1285013524
Obstetrics & Gynecology in New York, NY

Active since May 19, 2015PECOS Enrolled
10 UNION SQ E, NEW YORK, NY 10003(212) 844-8500 Get Directions Write a Review

NPPES record last updated: December 3, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 3, 2019, Aug 19, 2019 (2 updates tracked since 2019).

About Dr. Stephanie Tardieu M.d. NPPES

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

DR. STEPHANIE TARDIEU M.D. (NPI 1285013524) is an individual obstetrics & gynecology provider in New York, New York, licensed in New York (298200) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285013524
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. STEPHANIE TARDIEUCredential: M.D.
Location Address10 UNION SQ ENew York, NY 10003-3314
Mailing Address150 E 42nd St, Fl 10New York, NY 10017-5612 · (646) 605-8119 · Fax (646) 605-3029
Phone(212) 844-8500
Sole ProprietorYes
Enumeration DateMay 19, 2015
Last NPPES UpdateDecember 3, 20192 updates tracked since enumeration
✔ NPI 1285013524 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in NY · 298200
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
10 UNION SQ E, New York, NY 10003
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stephanie Tardieu M.d. 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.

Medicare Billing Reassignment

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

Icahn School Of Medicine At Mount Sinai
0.4 mi
Obstetrics & Gynecology
350 EAST 17TH STREET, 8TH FLOOR
New York, NY 10003
  • Reassigned Medicare billing, New York enrollment
  • 73 clinicians in this Medicare group
NPI 1467865063 (212) 844-1839

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 10003 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
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.

ANISHA GARG MD
Psychiatry & Neurology (Neuromuscular Medicine)
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 420-2000
HOWARD MAKER MD
Psychiatry & Neurology (Neurology)
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 844-8888
SUSAN ROTHENBERG MD
Obstetrics & Gynecology
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 420-4236
JANET STEIN MD
Obstetrics & Gynecology
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 420-2577
IRENE M. JANKOWSKI N.P.
Nurse Practitioner (Adult Health)
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 256-3539
TOLULOPE FALANA NP
Nurse Practitioner (Family)
10 UNION SQ E
NEW YORK, NY 10003
New York County (212) 844-6025
RICHARD MIZUGUCHI MD
Dermatology
10 UNION SQ E, SUITE 3C
NEW YORK, NY 10003
New York County (212) 523-5898
BARBARA CHEUNG MD
Internal Medicine
10 UNION SQ E, 2M
NEW YORK, NY 10003
New York County (212) 844-6888

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 Stephanie Tardieu's NPI number?

The NPI number for Stephanie Tardieu is 1285013524. It was assigned to this individual provider in the NPPES registry on May 19, 2015.

Where is Stephanie Tardieu located?

Stephanie Tardieu practices at 10 Union Sq E, New York, NY 10003. The listed phone number is (212) 844-8500.

What is Stephanie Tardieu's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Stephanie Tardieu enrolled in Medicare?

Yes. Stephanie Tardieu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stephanie Tardieu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Tardieu reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Stephanie Tardieu'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 Stephanie Tardieu was last updated on December 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.