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MRS. LAUREN ALISON HERTWIG NP
NPI 1609204239
Nurse Practitioner - Family in Riverhead, NY

Active since October 16, 2013PECOS EnrolledAccepts Medicare Assignment
21 E 2ND ST, RIVERHEAD, NY 11901(631) 873-9257(631) 206-9299 Get Directions Write a Review

NPPES record last updated: April 25, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mrs. Lauren Alison Hertwig Np NPPES

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

MRS. LAUREN ALISON HERTWIG NP (NPI 1609204239) is an individual family provider in Riverhead, New York, licensed in New York (351210) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1609204239
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. LAUREN ALISON HERTWIGCredential: NP
Location Address21 E 2ND STRiverhead, NY 11901-4686
Mailing Address9 Amys PathEast Quogue, NY 11942-4131 · (631) 872-3788 · Fax (631) 206-9299
Phone(631) 873-9257
Fax(631) 206-9299
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateOctober 16, 2013
Last NPPES UpdateApril 25, 2023
NPPES CertifiedApril 25, 2023
✔ NPI 1609204239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · 351210
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License F401648-1 (NY)
21 E 2ND ST, Riverhead, NY 11901
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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 and accepts Medicare assignment

Mrs. Lauren Alison Hertwig 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 ID6901023316
PECOS Enrollment IDI20140808000315
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 Lauren Hertwig reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Peconic Wellness Np - Psychiatry Services PLLC
8.4 mi
Psychiatric/Mental Health
35 MONTAUK HWY
Quogue, NY 11959
  • Reassigned Medicare billing, New York enrollment
NPI 1548989429 (631) 873-9257

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 3

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.

Psychotherapy with evaluation and management visit, 45 minutes 90836
Psychotherapy with evaluation and management is a 45-minute session where a healthcare provider discusses your mental and emotional health. They assess your current state, manage any issues, and help you develop coping strategies. This service aims to improve your overall well-being.
526 services97 patients
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.
317 services91 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.
226 services91 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11901 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 4

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

DANCING GODDESS RISING MINISTRIES, LLC
Community/Behavioral Health
21 E 2ND ST, SUITE 101
RIVERHEAD, NY 11901
Suffolk County (516) 426-2700
PECONIC LICENSED MENTAL HEALTH COUNSELING
Counselor (Mental Health)
21 E 2ND ST
RIVERHEAD, NY 11901
Suffolk County (631) 838-0920
DR. CAITLIN MARIE MIRANDA PH.D.
Clinical Neuropsychologist
21 E 2ND ST
RIVERHEAD, NY 11901
Suffolk County (631) 766-8702
MS. SARAH ANNE TYTE LMHC
Counselor (Mental Health)
21 E 2ND ST
RIVERHEAD, NY 11901
Suffolk County (631) 838-0920

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 Lauren Hertwig's NPI number?

The NPI number for Lauren Hertwig is 1609204239. It was assigned to this individual provider in the NPPES registry on October 16, 2013.

Where is Lauren Hertwig located?

Lauren Hertwig practices at 21 E 2nd St, Riverhead, NY 11901. The listed phone number is (631) 873-9257.

What is Lauren Hertwig's specialty?

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

Is Lauren Hertwig enrolled in Medicare?

Yes. Lauren Hertwig 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 Lauren Hertwig's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Hertwig reassigns Medicare benefits to Peconic Wellness Np - Psychiatry Services PLLC (Quogue, 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 Lauren Hertwig'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 Lauren Hertwig was last updated on April 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.