DR. LAUREN SKERRITT EICHENWALD MD
NPI 1659900462
Internal Medicine - Gastroenterology in Boston, MA

Q: What is Lauren Eichenwald's NPI number?

The NPI number for Lauren Eichenwald is 1659900462. It was assigned to this individual provider in the NPPES registry on April 3, 2020. The provider is also known as Dr. Lauren Alyson Skerritt MD.

Q: What is Lauren Eichenwald's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Lauren Eichenwald was last updated on July 15, 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.

Active since April 03, 2020PECOS Enrolled

55 FRUIT ST, BOSTON, MA 02114(978) 741-4171 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 15, 2026, Mar 27, 2023, Jun 27, 2020 and 2 more (5 updates tracked since 2020).

On this page

About Dr. Lauren Skerritt Eichenwald Md NPPES

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

DR. LAUREN SKERRITT EICHENWALD MD (NPI 1659900462) is an individual gastroenterology provider in Boston, Massachusetts, licensed in Massachusetts (1025867) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659900462

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameDR. LAUREN SKERRITT EICHENWALDCredential: MD

Location Address55 FRUIT STBoston, MA 02114-2621

Mailing Address55 Highland AveSalem, MA 01970-2185 · (978) 741-4171

Phone(978) 741-4171

Sole ProprietorNo

Enumeration DateApril 3, 2020

Last NPPES UpdateJuly 15, 20265 updates tracked since enumeration

NPPES CertifiedJuly 15, 2026

✔ NPI 1659900462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MA · 1025867

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

55 FRUIT ST, Boston, MA 02114

Open in Google Maps ↗

Other Names 1

Former Name (1)Dr. Lauren Alyson Skerritt Md

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Lauren Skerritt Eichenwald Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Lauren Eichenwald reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mass General Brigham Medical Group Northern Massachusetts Inc

13 mi

Emergency Medicine

81 HIGHLAND AVE
Salem, MA 01970

Reassigned Medicare billing, Massachusetts enrollment
994 clinicians in this Medicare group

NPI 1588606123 (978) 354-4173

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 02114 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

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

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.

STUTI GIRISH SHROFF MD, MBBS

Pathology (Anatomic Pathology)

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (617) 726-2971

NANCY WANG M.D.

Internal Medicine (Hematology & Oncology)

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (017) 724-4000

DR. DUSAN HANIDZIAR M.D., PH.D.

Anesthesiology

55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114

Suffolk County (617) 726-3030

JOHN JOSEPH DANKO DO

Physical Medicine & Rehabilitation

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (617) 726-2000

DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.

Internal Medicine (Infectious Disease)

55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114

Suffolk County (617) 724-9248

MS. KELLY ELISHA TRECARTIN NP

Nurse Practitioner (Acute Care)

55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114

Suffolk County (617) 726-7400

JAMIE MARIE ALLEN NP

Nurse Practitioner

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (617) 724-4410

DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.

Internal Medicine (Cardiovascular Disease)

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (617) 643-3238

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 Lauren Eichenwald's NPI number?

The NPI number for Lauren Eichenwald is 1659900462. It was assigned to this individual provider in the NPPES registry on April 3, 2020. The provider is also known as Dr. Lauren Alyson Skerritt MD.

Where is Lauren Eichenwald located?

Lauren Eichenwald practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (978) 741-4171.

What is Lauren Eichenwald's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Lauren Eichenwald enrolled in Medicare?

Yes. Lauren Eichenwald is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lauren Eichenwald's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Eichenwald reassigns Medicare benefits to Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, MA). The 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 Lauren Eichenwald's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lauren Eichenwald accept?

Health plans from Taro Health list Lauren Eichenwald 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 Lauren Eichenwald was last updated on July 15, 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.