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DR. RACHELLE LEONG MD
NPI 1053636183
Surgery - Surgical Oncology in Montclair, NJ

Active since March 31, 2010PECOS EnrolledAccepts Medicare Assignment
94.95/100
CMS Quality Rating
37 N FULLERTON AVE STE 2, MONTCLAIR, NJ 07042(973) 509-1818(973) 509-0708 Get Directions Write a Review

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

About Dr. Rachelle Leong Md NPPES

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

DR. RACHELLE LEONG MD (NPI 1053636183) is an individual surgical oncology provider in Montclair, New Jersey, licensed in New Jersey (25MA09968600) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, is affiliated with Englewood Hospital And Medical Center, and maintains a secondary practice location in Manhasset.

NPPES Registry Identity

NPI1053636183
Entity TypeIndividualFemale
Primary Taxonomy2086X0206X
Provider Legal NameDR. RACHELLE LEONGCredential: MD
Location Address37 N FULLERTON AVE STE 2Montclair, NJ 07042-3446
Mailing Address300 Community DrManhasset, NY 11030-3816 · (516) 684-7172
Phone(973) 509-1818
Fax(973) 509-0708
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2010
Enumeration DateMarch 31, 2010
Last NPPES UpdateMarch 24, 2026
NPPES CertifiedMarch 24, 2026
✔ NPI 1053636183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
License✔ Licensed in NJ · 25MA09968600
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
37 N FULLERTON AVE STE 2, Montclair, NJ 07042
Open in Google Maps ↗

Secondary Practice Location 1

Location 1300 Community DrManhasset, NY 11030-3816 · Phone (516) 684-7172

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

Dr. Rachelle Leong Md 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 ID9133403603
PECOS Enrollment IDI20170228002213
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 Reassignments

3

Medicare enrollment records show Rachelle Leong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Montclair Breast Center PC
Same address
Surgery
37 NO FULLERTON AVENUE, MONTCLAIR BREAST CENTER PC
Montclair, NJ 07042
  • Reassigned Medicare billing, New Jersey enrollment
  • 17 clinicians in this Medicare group
NPI 1053367334 (973) 509-1818
Barnabas Health Medical Group PC
11 mi
Specialist
225 WILLIAMSON ST
Elizabeth, NJ 07202
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,894 clinicians in this Medicare group
NPI 1841557246 (888) 724-7123
Medical Associates Of Englewood, PC
15 mi
Internal Medicine
350 ENGLE ST
Englewood, NJ 07631
  • Reassigned Medicare billing, New Jersey enrollment
  • 849 clinicians in this Medicare group
NPI 1952681918 (201) 608-2136

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

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
94 services68 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
80 services68 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
34 services34 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
28 services25 patients
Partial removal of breast 19301
A partial removal of the breast, also known as a lumpectomy, involves taking out a portion of the breast tissue to eliminate concerning cells. It's typically performed when the problem area is limited in size. This procedure helps to preserve most of the breast's appearance while aiming to remove all the unhealthy cells.
18 services16 patients
Injection of radioactive material for x-ray identification of lymph node 38792
This procedure involves injecting a safe radioactive substance into your body. It travels to your lymph nodes, making them visible on X-ray images. This helps in identifying any abnormal nodes for further examination. It's a standard part of many diagnostic processes.
15 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Englewood Hospital And Medical Center

Acute Care Hospitals · Englewood, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310045
Location350 Engle StEnglewood, NJ 07631 · Bergen County
Emergency services Birthing friendly

Hackensack Meridian Health, Mountainside Medical

Acute Care Hospitals · Montclair, NJ
2/5 CMS rating
OwnershipProprietary
CMS Certification Number310054
Location1 Bay AvenueMontclair, NJ 07042 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07042 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
$190.92 typical visit price
range $63.84 – $190.92
Typical copayment $47.73 (range $15.96 – $47.73)
Most-billed visit code 99205
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.26
Promoting Interoperability100
Improvement Activities40

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 Rachelle Leong's NPI number?

The NPI number for Rachelle Leong is 1053636183. It was assigned to this individual provider in the NPPES registry on March 31, 2010.

Where is Rachelle Leong located?

Rachelle Leong practices at 37 N Fullerton Ave Ste 2, Montclair, NJ 07042. The listed phone number is (973) 509-1818.

What is Rachelle Leong's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Is Rachelle Leong enrolled in Medicare?

Yes. Rachelle Leong 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 organizations bill Medicare for Rachelle Leong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rachelle Leong reassigns Medicare benefits to 3 organizations: Montclair Breast Center PC (Montclair, NJ), Barnabas Health Medical Group PC (Elizabeth, NJ) and Medical Associates Of Englewood, PC (Englewood, NJ). Each 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 Rachelle Leong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Rachelle Leong affiliated with any hospitals?

According to CMS data, Rachelle Leong is affiliated with Englewood Hospital And Medical Center and Hackensack Meridian Health, Mountainside Medical.

When was this NPI record last updated?

The NPPES record for Rachelle Leong 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.