MARILYN LEROY-STERLING NP
NPI 1346499944
Nurse Practitioner - Adult Health in Middletown, NY

Active since September 18, 2008PECOS EnrolledAccepts Medicare Assignment
155 CRYSTAL RUN RD, MIDDLETOWN, NY 10941(845) 703-6999(845) 703-6297 Get Directions Write a Review

NPPES record last updated: December 31, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marilyn Leroy-sterling Np NPPES

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

MARILYN LEROY-STERLING NP (NPI 1346499944) is an individual adult health provider in Middletown, New York, licensed in New York (F304992-1) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1346499944
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMARILYN LEROY-STERLINGCredential: NP
Location Address155 CRYSTAL RUN RDMiddletown, NY 10941-4028
Mailing Address155 Crystal Run RdMiddletown, NY 10941-4028 · (845) 703-6999 · Fax (845) 703-6297
Fax(845) 703-6297
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateSeptember 18, 2008
Last NPPES UpdateDecember 31, 2012
✔ NPI 1346499944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in NY · F304992-1
155 CRYSTAL RUN RD, Middletown, NY 10941

Other Identifiers 2

Medicaid03486739NY
Medicare PINA400077966NY

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

Marilyn Leroy-sterling Np 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 ID6709038433
PECOS Enrollment IDI20121204000270
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 Marilyn Leroy-sterling reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cardiovascular Disease
90 SOUTH BEDFORD RD, MT KISCO MEDICAL GROUP PC
Mount Kisco, NY 10549
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Optum Medical Care PC
  • 1,601 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10941 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
$95.99 typical visit price
range $61.88 – $187.05
Typical copayment $23.99 (range $15.47 – $46.76)
Most-billed visit code 99203
Established Patient
$108.56 typical visit price
range $19.92 – $151.94
Typical copayment $27.14 (range $4.98 – $37.98)
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.

Internal Medicine (Nephrology)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Nurse Practitioner (Acute Care)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Internal Medicine (Pulmonary Disease)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Nurse Practitioner (Family)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Internal Medicine (Endocrinology, Diabetes & Metabolism)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Internal Medicine (Infectious Disease)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Psychiatry & Neurology (Psychiatry)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Radiology (Diagnostic Radiology)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941

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 Marilyn Leroy-sterling's NPI number?

The NPI number for Marilyn Leroy-sterling is 1346499944. It was assigned to this individual provider in the NPPES registry on September 18, 2008.

Where is Marilyn Leroy-sterling located?

Marilyn Leroy-sterling practices at 155 Crystal Run Rd, Middletown, NY 10941. The listed phone number is (845) 703-6999.

What is Marilyn Leroy-sterling's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Marilyn Leroy-sterling enrolled in Medicare?

Yes. Marilyn Leroy-sterling 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 Marilyn Leroy-sterling's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Leroy-sterling reassigns Medicare benefits to Optum Medical Care, P.C. (Mount Kisco, 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 Marilyn Leroy-sterling'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 Marilyn Leroy-sterling was last updated on December 31, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.