1. Home
  2. Directory
  3. Massachusetts
  4. Worcester
  5. Pediatrics
  6. NPI Profile

MARGUERITE LEE DAVIS MD
NPI 1891115762
Pediatrics in Worcester, MA

Active since April 18, 2014PECOS Enrolled
55 LAKE AVE N, WORCESTER, MA 01655(508) 334-1000(774) 442-6060 Get Directions Write a Review

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

Record update history: Jul 8, 2026, Mar 19, 2026, Mar 17, 2018 and 3 more (6 updates tracked since 2017).

About Marguerite Lee Davis Md NPPES

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

MARGUERITE LEE DAVIS MD (NPI 1891115762) is an individual pediatrics provider in Worcester, Massachusetts, licensed in Massachusetts (273201) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1891115762
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARGUERITE LEE DAVISCredential: MD
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977
Phone(508) 334-1000
Fax(774) 442-6060
Sole ProprietorNo
Enumeration DateApril 18, 2014
Last NPPES UpdateJuly 8, 20266 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
✔ NPI 1891115762 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in MA · 273201✔ Licensed in CA · A140586
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Neonatal-Perinatal MedicineTaxonomy 2080N0001X · License A140586 (CA)
55 LAKE AVE N, Worcester, MA 01655
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1505 Parnassus AveSan Francisco, CA 94143-2204 · Phone (415) 476-6265 · Fax (415) 476-4009
Location 2300 Longwood AveBoston, MA 02115-5724 · Phone (617) 919-4426

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)

Marguerite Lee Davis 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 Reassignments

2

Medicare enrollment records show Marguerite Davis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Umass Memorial Medical Group Inc
Same address
Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
NPI 1760445373 (508) 334-1000
Children's Hospital Pediatric Associates, Inc
34 mi
Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 clinicians in this Medicare group
NPI 1457306664 (617) 355-6000

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 01655 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

HILLARY R. IRONS MD
Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 421-1400
MS. SHERINE MARY HASSEY-HALLIGAN NP
Nurse Practitioner
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-8585
MS. EILEEN A. DUHAMEL NP
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-2710
EWA HRYNISZYN CRNA
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
HELEN COPSEY PA-C
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-8585
DR. ADEPEJU GBADEBO CHAMPION M.D.
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-2731
SOWMYA KORAPATI
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-3550
LAYLA FAKHRZADEH M.D.
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271

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 Marguerite Davis's NPI number?

The NPI number for Marguerite Davis is 1891115762. It was assigned to this individual provider in the NPPES registry on April 18, 2014.

Where is Marguerite Davis located?

Marguerite Davis practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-1000.

What is Marguerite Davis's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Marguerite Davis enrolled in Medicare?

Yes. Marguerite Davis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marguerite Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marguerite Davis reassigns Medicare benefits to 2 organizations: Umass Memorial Medical Group Inc (Worcester, MA) and Children's Hospital Pediatric Associates, Inc (Boston, MA). 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 Marguerite Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marguerite Davis accept?

Health plans from Taro Health list Marguerite Davis 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 Marguerite Davis was last updated on July 8, 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.