EMMA CLAY RN
NPI 1003598202
Nurse Practitioner - Psychiatric/Mental Health in Lexington, MA

Active since August 07, 2023PECOS Enrolled
125 HARTWELL AVE, LEXINGTON, MA 02421(781) 861-0890(781) 592-0581 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 5, 2026, Sep 23, 2024, Aug 15, 2024 and 2 more (5 updates tracked since 2023).

About Emma Clay Rn NPPES

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

EMMA CLAY RN (NPI 1003598202) is an individual psychiatric/mental health provider in Lexington, Massachusetts, licensed in Massachusetts (RN2339390) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003598202
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameEMMA CLAYCredential: RN
Location Address125 HARTWELL AVELexington, MA 02421-3100
Mailing Address177 Huntington AveBoston, MA 02115-3134 · (617) 286-4365
Fax(781) 592-0581
Sole ProprietorYes
Enumeration DateAugust 7, 2023
Last NPPES UpdateMay 5, 20265 updates tracked since enumeration
NPPES CertifiedMay 5, 2026
NPI 1003598202 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 MA · RN2339390
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
125 HARTWELL AVE, Lexington, MA 02421

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Emma Clay Rn 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02421 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 20

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

Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Community Health Worker
125 HARTWELL AVE
LEXINGTON, MA 02421
Community Health Worker
125 HARTWELL AVE
LEXINGTON, MA 02421
Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421

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 Emma Clay's NPI number?

The NPI number for Emma Clay is 1003598202. It was assigned to this individual provider in the NPPES registry on August 7, 2023.

Where is Emma Clay located?

Emma Clay practices at 125 Hartwell Ave, Lexington, MA 02421. The listed phone number is (781) 861-0890.

What is Emma Clay's specialty?

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

Is Emma Clay enrolled in Medicare?

Yes. Emma Clay is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Emma Clay was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.