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MASON HUI D.O.
NPI 1871025619
Obstetrics & Gynecology in Plainsboro, NJ

Active since March 31, 2017PECOS EnrolledAccepts Medicare Assignment
5 PLAINSBORO RD STE 490, PLAINSBORO, NJ 08536(609) 853-6550(609) 683-6983 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 24, 2026, Jul 11, 2023, Jun 11, 2021 and 1 more (4 updates tracked since 2017).

About Mason Hui D.o. NPPES

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

MASON HUI D.O. (NPI 1871025619) is an individual obstetrics & gynecology provider in Plainsboro, New Jersey, licensed in New Jersey (25MB11809100) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with University Medical Center Of Princeton At Plainsboro, and maintains a secondary practice location in Clark.

NPPES Registry Identity

NPI1871025619
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameMASON HUICredential: D.O.
Location Address5 PLAINSBORO RD STE 490Plainsboro, NJ 08536-1979
Mailing Address5 Plainsboro Rd Ste 490Plainsboro, NJ 08536-1979 · (609) 853-6550 · Fax (609) 683-6983
Phone(609) 853-6550
Fax(609) 683-6983
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2021
Enumeration DateMarch 31, 2017
Last NPPES UpdateMarch 24, 20264 updates tracked since enumeration
NPPES CertifiedMarch 24, 2026
✔ NPI 1871025619 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in NJ · 25MB11809100✔ Licensed in TX · T1730
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
5 PLAINSBORO RD STE 490, Plainsboro, NJ 08536
Open in Google Maps ↗

Secondary Practice Location 1

Location 1100 Commerce PlClark, NJ 07066-1302 · Phone (908) 522-3688 · Fax (732) 943-4401

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mason Hui D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951702901
PECOS Enrollment IDI20230724001835
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 Hui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical Health Care Associates Of New Jersey, PC
11 mi
Otolaryngology
719 US HIGHWAY 206 STE 101
Hillsborough, NJ 08844
  • Reassigned Medicare billing, New Jersey enrollment
  • 793 clinicians in this Medicare group
NPI 1962977249 (908) 271-2102

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Medical Center Of Princeton At Plainsboro

Acute Care Hospitals · Plainsboro, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310010
LocationOne-Five Plainsboro RoadPlainsboro, NJ 08536 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08536 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
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
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 2

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

KARA SMITH NP
Nurse Practitioner (Women's Health)
5 PLAINSBORO RD STE 490
PLAINSBORO, NJ 08536
Middlesex County (609) 853-6500
ORTHONJ LLC
Durable Medical Equipment & Medical Supplies
5 PLAINSBORO RD STE 490
PLAINSBORO, NJ 08536
Middlesex County (609) 924-8131

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 Hui's NPI number?

The NPI number for Mason Hui is 1871025619. It was assigned to this individual provider in the NPPES registry on March 31, 2017.

Where is Mason Hui located?

Mason Hui practices at 5 Plainsboro Rd Ste 490, Plainsboro, NJ 08536. The listed phone number is (609) 853-6550.

What is Mason Hui's specialty?

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

Is Mason Hui enrolled in Medicare?

Yes. Mason Hui is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Mason Hui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mason Hui reassigns Medicare benefits to Clinical Health Care Associates Of New Jersey, PC (Hillsborough, NJ). 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 Hui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mason Hui accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Mason Hui 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.

Is Mason Hui affiliated with any hospitals?

According to CMS data, Mason Hui is affiliated with University Medical Center Of Princeton At Plainsboro.

When was this NPI record last updated?

The NPPES record for Mason Hui was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.