Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JACLYN SUZANNE FIELDS LMHC
NPI 1699421248
Counselor - Mental Health in Marlborough, MA

Q: What is Jaclyn Fields's NPI number?

The NPI number for Jaclyn Fields is 1699421248. It was assigned to this individual provider in the NPPES registry on February 22, 2022.

Q: What is Jaclyn Fields's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Jaclyn Fields was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.

Active since February 22, 2022

4 MOUNT ROYAL AVE STE 4-360, MARLBOROUGH, MA 01752(978) 222-3121(978) 296-3460 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 16, 2026, Mar 28, 2026, Oct 31, 2023 and 1 more (4 updates tracked since 2022).

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About Jaclyn Suzanne Fields Lmhc NPPES

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

JACLYN SUZANNE FIELDS LMHC (NPI 1699421248) is an individual mental health provider in Marlborough, Massachusetts, licensed in Massachusetts (LMHC10005357) and active in the NPI registry since February 2022. She maintains a secondary practice location in Worcester.

NPPES Registry Identity

NPI1699421248

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameJACLYN SUZANNE FIELDSCredential: LMHC

Location Address4 MOUNT ROYAL AVE STE 4-360Marlborough, MA 01752-1961

Mailing Address4 Mount Royal Ave Ste 4-360Marlborough, MA 01752-1961

Phone(978) 222-3121

Fax(978) 296-3460

Sole ProprietorNo

Enumeration DateFebruary 22, 2022

Last NPPES UpdateSeptember 16, 20264 updates tracked since enumeration

NPPES CertifiedSeptember 16, 2026

✔ NPI 1699421248 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in MA · LMHC10005357

4 MOUNT ROYAL AVE STE 4-360, Marlborough, MA 01752

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Secondary Practice Location 1

Location 1490 Shrewsbury St Ste 14Worcester, MA 01604-1607 · Phone (508) 306-1831

Other Providers at the Same Location NPPES

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

ZACHARY A WILSON LICSW

Social Worker (Clinical)

4 MOUNT ROYAL AVE STE 4-360
MARLBOROUGH, MA 01752

Middlesex County (978) 222-3121

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 Jaclyn Fields's NPI number?

The NPI number for Jaclyn Fields is 1699421248. It was assigned to this individual provider in the NPPES registry on February 22, 2022.

Where is Jaclyn Fields located?

Jaclyn Fields practices at 4 Mount Royal Ave Ste 4-360, Marlborough, MA 01752. The listed phone number is (978) 222-3121.

What is Jaclyn Fields's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Jaclyn Fields was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.