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

JENNIFER EILEEN GILLIATT N.P.
NPI 1598904336
Nurse Practitioner - Women's Health in Waltham, MA

Q: What is Jennifer Gilliatt's NPI number?

The NPI number for Jennifer Gilliatt is 1598904336. It was assigned to this individual provider in the NPPES registry on February 18, 2009.

Q: What is Jennifer Gilliatt's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

Q: When was this NPI record last updated?

The NPPES record for Jennifer Gilliatt was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 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 18, 2009PECOS EnrolledAccepts Medicare Assignment

52 SECOND AVE STE 1110, WALTHAM, MA 02451(781) 487-6212 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Jennifer Eileen Gilliatt N.p. NPPES

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

JENNIFER EILEEN GILLIATT N.P. (NPI 1598904336) is an individual women's health provider in Waltham, Massachusetts, licensed in Massachusetts (RN274528) and active in the NPI registry since February 2009. She is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1598904336

Entity TypeIndividualFemale

Primary Taxonomy363LW0102X

Provider Legal NameJENNIFER EILEEN GILLIATTCredential: N.P.

Location Address52 SECOND AVE STE 1110Waltham, MA 02451-1129

Mailing Address52 Second Ave Ste 1110Waltham, MA 02451-1129 · (781) 487-6212

Phone(781) 487-6212

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateFebruary 18, 2009

Last NPPES UpdateJuly 20, 2026

NPPES CertifiedJuly 20, 2026

✔ NPI 1598904336 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Women's HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LW0102X

License✔ Licensed in MA · RN274528

Also ListedNurse PractitionerTaxonomy 363L00000X · License RN274528 (MA)

Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License RN274528 (MA)

52 SECOND AVE STE 1110, Waltham, MA 02451

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jennifer Eileen Gilliatt N.p. 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 ID8325377609

PECOS Enrollment IDI20190911003379

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.

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.

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.

42 services35 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

14 services14 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lowell General Hospital

Acute Care Hospitals · Lowell, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220063

Location295 Varnum AvenueLowell, MA 01854 · Middlesex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02451 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.

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 Jennifer Gilliatt's NPI number?

The NPI number for Jennifer Gilliatt is 1598904336. It was assigned to this individual provider in the NPPES registry on February 18, 2009.

Where is Jennifer Gilliatt located?

Jennifer Gilliatt practices at 52 Second Ave Ste 1110, Waltham, MA 02451. The listed phone number is (781) 487-6212.

What is Jennifer Gilliatt's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

Is Jennifer Gilliatt enrolled in Medicare?

Yes. Jennifer Gilliatt 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.

What insurance does Jennifer Gilliatt accept?

Health plans from Anthem Blue Cross and Blue Shield list Jennifer Gilliatt 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.

Is Jennifer Gilliatt affiliated with any hospitals?

According to CMS data, Jennifer Gilliatt is affiliated with Lowell General Hospital.

When was this NPI record last updated?

The NPPES record for Jennifer Gilliatt was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 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.