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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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: September 13, 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 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
Phone(914) 964-4444
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
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Medicare Participation & PECOS CMS

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

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.

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.

DR. JULIAN C LILDHARRIE MD
Student in an Organized Health Care Education/Training Program
967 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 798-8971
SABRINA DUNN MD
Student in an Organized Health Care Education/Training Program
967 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 798-8971
DR. LAURA BETH THOMAS M.D.
Emergency Medicine
967 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 964-4349
CLAUDVILLE DEANE DERBY MD
Student in an Organized Health Care Education/Training Program
967 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 798-8971
MALWINA ANNA OLENDROWICZ NP
Internal Medicine (Gastroenterology)
967 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 964-4444
ZHUO QIAN DO
Student in an Organized Health Care Education/Training Program
967 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 798-8971
AVIVA LEAH MENASHY
Student in an Organized Health Care Education/Training Program
967 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 798-8971
DR. SUSAN M BALEZENTIS D.O.
Emergency Medicine
967 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 964-4376

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.

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 18 days 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.