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SARAH ELIZABETH ELKIN DNP, PMHNP-BC
NPI 1295357986
Nurse Practitioner - Psychiatric/Mental Health in Mahopac, NY

Active since May 15, 2020PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
18 MILLER RD, MAHOPAC, NY 10541(845) 628-2300(845) 628-7800 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 8, 2025, Nov 30, 2020, May 15, 2020 (3 updates tracked since 2020).

About Sarah Elizabeth Elkin Dnp, Pmhnp-bc NPPES

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

SARAH ELIZABETH ELKIN DNP, PMHNP-BC (NPI 1295357986) is an individual psychiatric/mental health provider in Mahopac, New York, licensed in New York (402987) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1295357986
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSARAH ELIZABETH ELKINCredential: DNP, PMHNP-BC
Location Address18 MILLER RDMahopac, NY 10541-2220
Mailing AddressPo Box 130Brewster, NY 10509-0130 · (217) 313-0853 · Fax (845) 302-8711
Phone(845) 628-2300
Fax(845) 628-7800
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMay 15, 2020
Last NPPES UpdateMay 8, 20253 updates tracked since enumeration
NPPES CertifiedMay 8, 2025
✔ NPI 1295357986 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in NY · 402987
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License 758237 (NY)
18 MILLER RD, Mahopac, NY 10541
Open in Google Maps ↗

Secondary Practice Location 1

Location 1113 E 60th StNew York, NY 10022-1939 · Phone (917) 456-9288

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

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

Sarah Elizabeth Elkin Dnp, Pmhnp-bc 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 ID4385058858
PECOS Enrollment IDI20230324000419
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 Sarah Elkin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kristen E Caroprese Lcsw PLLC
Same address
Adult Mental Health
18 MILLER RD
Mahopac, NY 10541
  • Reassigned Medicare billing, New York enrollment
  • 19 clinicians in this Medicare group
NPI 1881165983 (845) 628-2300
Dobbs Ferry Emergency Medicine, PC
24 mi
Emergency Medicine
128 ASHFORD AVE
Dobbs Ferry, NY 10522
  • Reassigned Medicare billing, New York enrollment
  • 61 clinicians in this Medicare group
NPI 1457381477 (845) 368-4800

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

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.

Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
21 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10541 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.

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality92.27
Improvement Activities40

Other Providers at the Same Location NPPES 12

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

ALLYSON NICOLE ANTONACCI LMHC DP
Counselor (Mental Health)
18 MILLER RD
MAHOPAC, NY 10541
Putnam County (845) 628-2300
MRS. KRISTEN CAROPRESE LCSW
Social Worker (Clinical)
18 MILLER RD
MAHOPAC, NY 10541
Putnam County (914) 439-4756
MS. CAROLYN CREARY
Social Worker (Clinical)
18 MILLER RD
MAHOPAC, NY 10541
Putnam County (845) 628-2300
MORGAN KENNEDY LCSW
Social Worker
18 MILLER RD
MAHOPAC, NY 10541
Putnam County (516) 330-9789
LISA HEAD LCSW
Social Worker (Clinical)
18 MILLER RD
MAHOPAC, NY 10541
Putnam County (845) 845-4897
MARK RENCHNER-KELLY
Social Worker (Clinical)
18 MILLER RD
MAHOPAC, NY 10541
Putnam County (845) 628-2300
EMMA CLAIRE GOLDSMITH LCSW
Social Worker (Clinical)
18 MILLER RD
MAHOPAC, NY 10541
Putnam County (845) 628-2300
SANDRA QUEVEDO LCSW
Social Worker
18 MILLER RD
MAHOPAC, NY 10541
Putnam County (845) 628-2300

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 Sarah Elkin's NPI number?

The NPI number for Sarah Elkin is 1295357986. It was assigned to this individual provider in the NPPES registry on May 15, 2020.

Where is Sarah Elkin located?

Sarah Elkin practices at 18 Miller Rd, Mahopac, NY 10541. The listed phone number is (845) 628-2300.

What is Sarah Elkin's specialty?

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

Is Sarah Elkin enrolled in Medicare?

Yes. Sarah Elkin 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 Sarah Elkin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Elkin reassigns Medicare benefits to 2 organizations: Kristen E Caroprese Lcsw PLLC (Mahopac, NY) and Dobbs Ferry Emergency Medicine, PC (Dobbs Ferry, 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 Sarah Elkin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sarah Elkin accept?

Health plans from Oscar Health list Sarah Elkin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sarah Elkin was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.