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LILLIAN LAWTON-HERNANDEZ PNP
NPI 1972676146
Nurse Practitioner - Pediatrics in Islandia, NY

Active since November 16, 2006PECOS Enrolled
3001 EXPRESSWAY DR N STE 100, ISLANDIA, NY 11749(631) 434-1770(631) 234-6175 Get Directions Write a Review

NPPES record last updated: August 10, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lillian Lawton-hernandez Pnp NPPES

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

LILLIAN LAWTON-HERNANDEZ PNP (NPI 1972676146) is an individual pediatrics provider in Islandia, New York, licensed in New York (F380495) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972676146
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameLILLIAN LAWTON-HERNANDEZCredential: PNP
Location Address3001 EXPRESSWAY DR N STE 100Islandia, NY 11749-5301
Mailing Address161 Bayport AveBayport, NY 11705-1850 · (631) 434-1770 · Fax (631) 434-6175
Phone(631) 434-1770
Fax(631) 234-6175
Sole ProprietorNo
Enumeration DateNovember 16, 2006
Last NPPES UpdateAugust 10, 2022
NPPES CertifiedAugust 10, 2022
✔ NPI 1972676146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in NY · F380495
3001 EXPRESSWAY DR N STE 100, Islandia, NY 11749
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lillian Lawton-hernandez Pnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Lillian Lawton-hernandez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Shore - Lij Pediatrics Of Suffolk County, P.C.
0.8 mi
Pediatrics
1770 MOTOR PKWY
Islandia, NY 11749
  • Reassigned Medicare billing, New York enrollment
  • 20 clinicians in this Medicare group
NPI 1255722161 (516) 823-8997

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 11749 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.

Other Providers at the Same Location NPPES 13

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

MARIA ANN CLEMENTI NP
Nurse Practitioner (Pediatrics)
3001 EXPRESSWAY DR N STE 100
ISLANDIA, NY 11749
Suffolk County (631) 434-1770
DR. ELISE JOANNE BRANCA MD
Pediatrics
3001 EXPRESSWAY DR N STE 100
ISLANDIA, NY 11749
Suffolk County (631) 434-1770
DR. ALLISON MANGINI D.O.
Pediatrics
3001 EXPRESSWAY DR N STE 100
ISLANDIA, NY 11749
Suffolk County (631) 434-1770
KATRINA QUIRK LMSW
Social Worker
3001 EXPRESSWAY DR N STE 100
ISLANDIA, NY 11749
Suffolk County (631) 434-1770
LISA MEEHAN M.D
Pediatrics
3001 EXPRESSWAY DR N STE 100
ISLANDIA, NY 11749
Suffolk County (631) 434-1770
DR. JENNIFER L REINITZ M.D.
Pediatrics
3001 EXPRESSWAY DR N STE 100
ISLANDIA, NY 11749
Suffolk County (631) 434-1770
DR. MARJORIE B SEROTOFF M.D.
Pediatrics
3001 EXPRESSWAY DR N STE 100
ISLANDIA, NY 11749
Suffolk County (631) 434-1770
TINTING CHENG M.D.
Pediatrics
3001 EXPRESSWAY DR N STE 100
ISLANDIA, NY 11749
Suffolk County (631) 434-1770

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 Lillian Lawton-hernandez's NPI number?

The NPI number for Lillian Lawton-hernandez is 1972676146. It was assigned to this individual provider in the NPPES registry on November 16, 2006.

Where is Lillian Lawton-hernandez located?

Lillian Lawton-hernandez practices at 3001 Expressway Dr N Ste 100, Islandia, NY 11749. The listed phone number is (631) 434-1770.

What is Lillian Lawton-hernandez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Lillian Lawton-hernandez enrolled in Medicare?

Yes. Lillian Lawton-hernandez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lillian Lawton-hernandez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lillian Lawton-hernandez reassigns Medicare benefits to North Shore - Lij Pediatrics Of Suffolk County, P.C. (Islandia, 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 Lillian Lawton-hernandez'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 Lillian Lawton-hernandez was last updated on August 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.