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MASON CHANG M.D.
NPI 1437546736
Psychiatry & Neurology - Psychiatry in New Hyde Park, NY

Active since April 24, 2015PECOS Enrolled
1951 STEWART AVE, NEW HYDE PARK, NY 11040(516) 260-1043 Get Directions Write a Review

NPPES record last updated: December 18, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mason Chang M.d. NPPES

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

MASON CHANG M.D. (NPI 1437546736) is an individual psychiatry provider in New Hyde Park, New York, licensed in New York (282054) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Bronx.

NPPES Registry Identity

NPI1437546736
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameMASON CHANGCredential: M.D.
Location Address1951 STEWART AVENew Hyde Park, NY 11040-1625
Mailing Address1951 Stewart AveNew Hyde Park, NY 11040-1625
Phone(516) 260-1043
Sole ProprietorYes
Enumeration DateApril 24, 2015
Last NPPES UpdateDecember 18, 2019
✔ NPI 1437546736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NY · 282054
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1951 STEWART AVE, New Hyde Park, NY 11040
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Secondary Practice Location 1

Location 1111 E 210th StBronx, NY 10467-2401 · Phone (718) 920-4321

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mason Chang 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 Mason Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York City Health And Hospitals Corporation
5.8 mi
General Acute Care Hospital
82-68 164TH ST
Jamaica, NY 11432
  • Reassigned Medicare billing, New York enrollment
  • 1,615 clinicians in this Medicare group
NPI 1801803903 (718) 883-2929

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 11040 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
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.

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 Mason Chang's NPI number?

The NPI number for Mason Chang is 1437546736. It was assigned to this individual provider in the NPPES registry on April 24, 2015.

Where is Mason Chang located?

Mason Chang practices at 1951 Stewart Ave, New Hyde Park, NY 11040. The listed phone number is (516) 260-1043.

What is Mason Chang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mason Chang enrolled in Medicare?

Yes. Mason Chang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mason Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mason Chang reassigns Medicare benefits to New York City Health And Hospitals Corporation (Jamaica, 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 Mason Chang'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 Mason Chang was last updated on December 18, 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.