DR. HELEN MAC MD
NPI 1619404522
Pediatrics - Pediatric Gastroenterology in New York, NY

Active since May 23, 2017PECOS Enrolled
550 1ST AVE, NEW YORK, NY 10016(212) 263-5506 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Aug 17, 2025, Jul 16, 2020 and 1 more (4 updates tracked since 2017).

About Dr. Helen Mac Md NPPES

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

DR. HELEN MAC MD (NPI 1619404522) is an individual pediatric gastroenterology provider in New York, New York, licensed in New York (304501) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619404522
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameDR. HELEN MACCredential: MD
Location Address550 1ST AVENew York, NY 10016-6402
Mailing Address10 Lamp Post LnCherry Hill, NJ 08003-1209 · (609) 440-8146
Sole ProprietorNo
Enumeration DateMay 23, 2017
Last NPPES UpdateSeptember 11, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
NPI 1619404522 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License Licensed in NY · 304501
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
Also ListedPediatricsTaxonomy 208000000X · License 304501 (NY)
550 1ST AVE, New York, NY 10016

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Helen Mac Md 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 10016 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
$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.

Internal Medicine
550 1ST AVE
NEW YORK, NY 10016
Emergency Medicine (Pediatric Emergency Medicine)
550 1ST AVE
NEW YORK, NY 10016
Allergy & Immunology
550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
Radiology (Vascular & Interventional Radiology)
550 1ST AVE
NEW YORK, NY 10016
Surgery
550 1ST AVE
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016

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 Helen Mac's NPI number?

The NPI number for Helen Mac is 1619404522. It was assigned to this individual provider in the NPPES registry on May 23, 2017.

Where is Helen Mac located?

Helen Mac practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-5506.

What is Helen Mac's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Helen Mac enrolled in Medicare?

Yes. Helen Mac is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Helen Mac was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.