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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEFANIE AMMIANO AGPCNPBC, RN, LMHC
NPI 1538451844
Nurse Practitioner - Adult Health in New York, NY

Active since May 04, 2011PECOS Enrolled
31 WASHINGTON SQ W, FLOOR 4, NEW YORK, NY 10011(908) 578-9751 Get Directions Write a Review

NPPES record last updated: September 13, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 13, 2026, Jan 17, 2023, Jun 8, 2017 and 2 more (5 updates tracked since 2016).

About Stefanie Ammiano Agpcnpbc, Rn, Lmhc NPPES

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

STEFANIE AMMIANO AGPCNPBC, RN, LMHC (NPI 1538451844) is an individual adult health provider in New York, New York, licensed in New York (F308102) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538451844
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameSTEFANIE AMMIANOCredential: AGPCNPBC, RN, LMHC
Location Address31 WASHINGTON SQ W, FLOOR 4New York, NY 10011-9126
Mailing Address31 Washington Sq W Fl 4New York, NY 10011-9172 · (212) 475-8833
Phone(908) 578-9751
Sole ProprietorNo
Enumeration DateMay 4, 2011
Last NPPES UpdateSeptember 13, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2026
✔ NPI 1538451844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in NY · F308102
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 27318 (NY)
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 005140 (NY)
Also ListedRegistered NurseTaxonomy 163W00000X · License 704575 (NY)
31 WASHINGTON SQ W, New York, NY 10011
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stefanie Ammiano Agpcnpbc, Rn, Lmhc 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 10011 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
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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 20

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

STEPHEN M MULROONEY MD PC
Internal Medicine (Gastroenterology)
31 WASHINGTON SQ W, SUITE 5F
NEW YORK, NY 10011
New York County (212) 358-9123
DR. CRAIG T ROBERTS D.D.S.
Dentist
31 WASHINGTON SQ W, SUITE 2 F
NEW YORK, NY 10011
New York County (212) 598-4855
MARK MURYNEC MA
Counselor
31 WASHINGTON SQ W, PH-D
NEW YORK, NY 10011
New York County (845) 616-4367
DR. CHARLES SCHAEFFER PH.D
Psychologist (Clinical)
31 WASHINGTON SQ W, SUITE 5R
NEW YORK, NY 10011
New York County (718) 577-1564
MARTHA ACKERMAN SERMIER
Counselor (Mental Health)
31 WASHINGTON SQ W, # 6F
NEW YORK, NY 10011
New York County (212) 260-9496
IOANA TRICORACHE DDS
Dentist (General Practice)
31 WASHINGTON SQ W, SUITE 1R
NEW YORK, NY 10011
New York County (212) 539-0805
DR. GILBERT WILLIAMS COLE PH.D.
Social Worker (Clinical)
31 WASHINGTON SQ W, SUITE 3R
NEW YORK, NY 10011
New York County (212) 677-4154
VLADIMIR ALEXEYENKO MD
Internal Medicine
31 WASHINGTON SQ W, 5F
NEW YORK, NY 10011
New York County (212) 675-7780

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 Stefanie Ammiano's NPI number?

The NPI number for Stefanie Ammiano is 1538451844. It was assigned to this individual provider in the NPPES registry on May 4, 2011.

Where is Stefanie Ammiano located?

Stefanie Ammiano practices at 31 Washington Sq W Floor 4, New York, NY 10011. The listed phone number is (908) 578-9751.

What is Stefanie Ammiano's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Stefanie Ammiano enrolled in Medicare?

Yes. Stefanie Ammiano is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Stefanie Ammiano was last updated on September 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.