MARLENE SADLOO A-GACNP
NPI 1861085334
Internal Medicine - Gastroenterology in Yonkers, NY

Active since February 16, 2021PECOS EnrolledAccepts Medicare Assignment
967 N BROADWAY, YONKERS, NY 10701(914) 964-4444 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 1, 2026, Feb 16, 2021 (2 updates tracked since 2021).

About Marlene Sadloo A-gacnp NPPES

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

MARLENE SADLOO A-GACNP (NPI 1861085334) is an individual gastroenterology provider in Yonkers, New York, licensed in New York (431938) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS, is affiliated with St John's Riverside Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1861085334
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameMARLENE SADLOOCredential: A-GACNP
Location Address967 N BROADWAYYonkers, NY 10701-1301
Mailing Address506 N High StMount Vernon, NY 10552-3105 · (914) 513-1281
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateFebruary 16, 2021
Last NPPES UpdateSeptember 1, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1861085334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 431938
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedNurse PractitionerTaxonomy 363L00000X · License 431938 (NY)
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 431938 (NY)
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 431938 (NY)
967 N BROADWAY, Yonkers, NY 10701

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

Marlene Sadloo A-gacnp 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 ID4789091091
PECOS Enrollment IDI20210405001080
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 Marlene Sadloo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
1088 NORTH BROADWAY
Yonkers, NY 10701
  • Reassigned Medicare billing, New York enrollment
  • 49 clinicians in this Medicare group

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.

St John's Riverside Hospital

Acute Care Hospitals · Yonkers, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330208
Location976 North BroadwayYonkers, NY 10701 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10701 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

Student in an Organized Health Care Education/Training Program
967 N BROADWAY
YONKERS, NY 10701
Student in an Organized Health Care Education/Training Program
967 N BROADWAY
YONKERS, NY 10701
Emergency Medicine
967 N BROADWAY
YONKERS, NY 10701
Internal Medicine
967 N BROADWAY
YONKERS, NY 10701
Internal Medicine (Gastroenterology)
967 N BROADWAY
YONKERS, NY 10701
Student in an Organized Health Care Education/Training Program
967 N BROADWAY
YONKERS, NY 10701
Student in an Organized Health Care Education/Training Program
967 N BROADWAY
YONKERS, NY 10701
Emergency Medicine
967 N BROADWAY
YONKERS, NY 10701

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 Marlene Sadloo's NPI number?

The NPI number for Marlene Sadloo is 1861085334. It was assigned to this individual provider in the NPPES registry on February 16, 2021.

Where is Marlene Sadloo located?

Marlene Sadloo practices at 967 N Broadway, Yonkers, NY 10701. The listed phone number is (914) 964-4444.

What is Marlene Sadloo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Marlene Sadloo enrolled in Medicare?

Yes. Marlene Sadloo 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 Marlene Sadloo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marlene Sadloo reassigns Medicare benefits to Sjr Medical, PC (Yonkers, 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 Marlene Sadloo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Marlene Sadloo affiliated with any hospitals?

According to CMS data, Marlene Sadloo is affiliated with St John's Riverside Hospital.

When was this NPI record last updated?

The NPPES record for Marlene Sadloo was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.