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MS. LYNN D MITCHELL NP
NPI 1457337404
Nurse Practitioner - Psychiatric/Mental Health in Riverhead, NY

Active since December 21, 2005PECOS EnrolledAccepts Medicare Assignment
629 W MAIN ST, RIVERHEAD, NY 11901(631) 727-8217(631) 727-8101 Get Directions Write a Review

NPPES record last updated: December 16, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 16, 2024, Dec 29, 2015 (2 updates tracked since 2015).

About Ms. Lynn D Mitchell Np NPPES

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

MS. LYNN D MITCHELL NP (NPI 1457337404) is an individual psychiatric/mental health provider in Riverhead, New York, licensed in New York (400846) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2004).

NPPES Registry Identity

NPI1457337404
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMS. LYNN D MITCHELLCredential: NP
Location Address629 W MAIN STRiverhead, NY 11901-2842
Mailing Address629 W Main StRiverhead, NY 11901-2842 · (631) 727-8217 · Fax (631) 727-8101
Phone(631) 727-8217
Fax(631) 727-8101
Sole ProprietorYes
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 2004
Enumeration DateDecember 21, 2005
Last NPPES UpdateDecember 16, 20242 updates tracked since enumeration
NPPES CertifiedDecember 16, 2024
✔ NPI 1457337404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in NY · 400846
629 W MAIN ST, Riverhead, NY 11901
Open in Google Maps ↗

Other Identifiers 1

Medicaid02585573NY

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

Ms. Lynn D Mitchell 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 ID8729011135
PECOS Enrollment IDI20050915001094
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

2

Medicare enrollment records show Lynn Mitchell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cs Medical Associates, P.C.
19 mi
Rehabilitation, Substance Use Disorder
100 GRANNY ROAD, SUITE 2
Farmingville, NY 11738
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Cs Medical Associates, PC
  • 81 clinicians in this Medicare group
NPI 1992210231 (631) 696-4357
Family Service League, Inc.
38 mi
Community/Behavioral Health
790 PARK AVE
Huntington, NY 11743
  • Reassigned Medicare billing, New York enrollment
  • 122 clinicians in this Medicare group
NPI 1528093242 (631) 427-3700

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 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

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

COMMUNITY HOUSING INNOVATIONS INC.
Case Management
629 W MAIN ST
RIVERHEAD, NY 11901
Suffolk County (631) 727-8167

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 Lynn Mitchell's NPI number?

The NPI number for Lynn Mitchell is 1457337404. It was assigned to this individual provider in the NPPES registry on December 21, 2005.

Where is Lynn Mitchell located?

Lynn Mitchell practices at 629 W Main St, Riverhead, NY 11901. The listed phone number is (631) 727-8217.

What is Lynn Mitchell's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Lynn Mitchell enrolled in Medicare?

Yes. Lynn Mitchell 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 Lynn Mitchell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Mitchell reassigns Medicare benefits to 2 organizations: Cs Medical Associates, P.C. (Farmingville, NY) and Family Service League, Inc. (Huntington, 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 Lynn Mitchell'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 Lynn Mitchell was last updated on December 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.