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LYNNE A. MASTERSON CNM
NPI 1447592290
Midwife in Worcester, MA

Active since March 20, 2013PECOS Enrolled
123 SUMMER ST, SUITE 150S, WORCESTER, MA 01608(508) 368-3110(508) 368-3113 Get Directions Write a Review

NPPES record last updated: March 5, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 5, 2024, Jul 21, 2022, Aug 29, 2017 and 1 more (4 updates tracked since 2017).

About Lynne A. Masterson Cnm NPPES

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

LYNNE A. MASTERSON CNM (NPI 1447592290) is an individual midwife in Worcester, Massachusetts, licensed in Massachusetts (RN265289) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Weymouth.

NPPES Registry Identity

NPI1447592290
Entity TypeIndividualFemale
Primary Taxonomy176B00000X
Provider Legal NameLYNNE A. MASTERSONCredential: CNM
Location Address123 SUMMER ST, SUITE 150SWorcester, MA 01608-1216
Mailing Address630 Plantation StWorcester, MA 01605-2038 · (508) 368-3110 · Fax (508) 368-3113
Phone(508) 368-3110
Fax(508) 368-3113
Sole ProprietorNo
Enumeration DateMarch 20, 2013
Last NPPES UpdateMarch 5, 20244 updates tracked since enumeration
NPPES CertifiedMarch 5, 2024
✔ NPI 1447592290 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMidwifeOther Service Providers
Taxonomy Code176B00000X
License✔ Licensed in MA · RN265289
Definition
A Midwife is a trained professional with special expertise in supporting women to maintain a healthy pregnancy birth, offering expert individualized care, education, counseling, and support to a woman and her newborn throughout the childbearing cycle. A Midwife is a skilled and independent practitioner who has undergone formalized training. Midwives are not required to be nurses and may be trained via multiple routes of education (apprenticeship, workshop, formal classes, or programs, etc., usually a combination). The educational background requirements and licensing requirements vary by state. The Midwife may or may not be certified by a state or national organization.
123 SUMMER ST, Worcester, MA 01608
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Other Names 1

Former Name (1)Lynne A. Dorman / Fling

Secondary Practice Location 1

Location 155 Fogg RdWeymouth, MA 02190-2432 · Phone (781) 624-8000

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lynne A. Masterson Cnm 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 Lynne Masterson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Coastal Medical Associates
44 mi
Anesthesiology
55 FOGG RD
Weymouth, MA 02190
  • Reassigned Medicare billing, Massachusetts enrollment
  • 671 clinicians in this Medicare group
NPI 1932175684 (781) 340-4293
South Shore Medical Center, Inc.
48 mi
Internal Medicine
143 LONGWATER DRIVE
Norwell, MA 02061
  • Reassigned Medicare billing, Massachusetts enrollment
  • 346 clinicians in this Medicare group
NPI 1669411856 (781) 792-4191

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MADAIAH LOKESHWARI M.D.
Hospitalist
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-6849
DR. MADHAV SHARMA MD
Internal Medicine
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5438
YESHASWINI KATKOORI MD
Student in an Organized Health Care Education/Training Program
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5000
DANIELLE MAY PELOQUIN
Nurse Anesthetist, Certified Registered
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5000
DR. YAYAN CHEN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-6049
FARRICY & KRAFT LLP
Obstetrics & Gynecology (Obstetrics)
123 SUMMER ST, SUITE 560
WORCESTER, MA 01608
Worcester County (508) 363-6100
KEITH A BEALS PA
Physician Assistant
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5000
ANNE E COVINO CNM
Midwife
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5000

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 Lynne Masterson's NPI number?

The NPI number for Lynne Masterson is 1447592290. It was assigned to this individual provider in the NPPES registry on March 20, 2013. The provider is also known as Lynne A. Dorman / Fling.

Where is Lynne Masterson located?

Lynne Masterson practices at 123 Summer St Suite 150S, Worcester, MA 01608. The listed phone number is (508) 368-3110.

What is Lynne Masterson's specialty?

The primary specialty registered for this NPI is Midwife with taxonomy code 176B00000X.

Is Lynne Masterson enrolled in Medicare?

Yes. Lynne Masterson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Lynne Masterson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynne Masterson reassigns Medicare benefits to 2 organizations: Coastal Medical Associates (Weymouth, MA) and South Shore Medical Center, Inc. (Norwell, 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 Lynne Masterson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lynne Masterson accept?

Health plans from Anthem Blue Cross and Blue Shield list Lynne Masterson 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 Lynne Masterson was last updated on March 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.