1. Home
  2. Directory
  3. New York
  4. East Hampton
  5. Nurse Practitioner
  6. NPI Profile

MARYLEN LEON
NPI 1053087619
Nurse Practitioner - Family in East Hampton, NY

Active since August 23, 2021PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
470 PANTIGO RD, EAST HAMPTON, NY 11937(631) 702-0212 Get Directions Write a Review

NPPES record last updated: August 23, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marylen Leon NPPES

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

MARYLEN LEON (NPI 1053087619) is an individual family provider in East Hampton, New York, licensed in New York (F346034) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1053087619
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARYLEN LEON
Location Address470 PANTIGO RDEast Hampton, NY 11937-2648
Mailing AddressPo Box 2206Sag Harbor, NY 11963-0111 · (631) 702-0212
Phone(631) 702-0212
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateAugust 23, 2021
NPPES CertifiedAugust 23, 2021
✔ NPI 1053087619 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · F346034
470 PANTIGO RD, East Hampton, NY 11937
Open in Google Maps ↗

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

Marylen Leon 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 ID2668879669
PECOS Enrollment IDI20210917000968
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 Marylen Leon reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Office Of Doctor Ilona K Polak PC
7.1 mi
Family Medicine
34 BAY ST # 103
Sag Harbor, NY 11963
  • Reassigned Medicare billing, New York enrollment
  • 2 clinicians in this Medicare group
NPI 1699058958 (631) 808-3337
Meeting House Lane Medical Practice PC
13 mi
Internal Medicine
57 HAMPTON RD, SUITE 201
Southampton, NY 11968
  • Reassigned Medicare billing, New York enrollment
  • 134 clinicians in this Medicare group
NPI 1902088495 (631) 283-2430
North Shore Lij, Urgent Care, P.C.
81 mi
Urgent Care
243 MERRICK RD
Rockville Centre, NY 11570
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: North Shore Lij Urgent Care PC
  • 210 clinicians in this Medicare group
NPI 1679970891 (516) 537-9063

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 10

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 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.
374 services322 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
82 services82 patients
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.
57 services57 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
55 services54 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
17 services17 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
17 services17 patients

Hospital Affiliations CMS Care Compare

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

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11937 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
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.

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.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

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

WINDMILL MEDICAL PC
Family Medicine
470 PANTIGO RD
EAST HAMPTON, NY 11937
Suffolk County (631) 329-5900

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 Marylen Leon's NPI number?

The NPI number for Marylen Leon is 1053087619. It was assigned to this individual provider in the NPPES registry on August 23, 2021.

Where is Marylen Leon located?

Marylen Leon practices at 470 Pantigo Rd, East Hampton, NY 11937. The listed phone number is (631) 702-0212.

What is Marylen Leon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marylen Leon enrolled in Medicare?

Yes. Marylen Leon 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 Marylen Leon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marylen Leon reassigns Medicare benefits to 3 organizations: Medical Office Of Doctor Ilona K Polak PC (Sag Harbor, NY), Meeting House Lane Medical Practice PC (Southampton, NY) and North Shore Lij, Urgent Care, P.C. (Rockville Centre, NY). 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 Marylen Leon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Marylen Leon affiliated with any hospitals?

According to CMS data, Marylen Leon is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Marylen Leon was last updated on August 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.