What is Margaret Flynn's specialty?

Margaret Flynn (NPI 1821094491) is a Medicare-billing provider whose primary specialty is Endocrinology in Nashua, NH.

Where does Margaret Flynn practice?

Margaret Flynn practices in Nashua, NH, based on the location reported in the CMS Medicare provider datasets for NPI 1821094491.

How much does Medicare pay Margaret Flynn?

Margaret Flynn (NPI 1821094491) received approximately $49K in total Medicare Part B payments, serving 366 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821094491

Margaret FlynnMD

EndocrinologyNashua, NHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

500

Unique beneficiaries

—

Total services

889

Distinct HCPCS

Medicare payment

$48K

Peer benchmark

Total Medicare services vs. 38 Endocrinology providers in NH — above median (cohort median 784).

PRESCRIBING · PART D · 2024

Total Rx claims

4,762

Beneficiaries

—

Total drug cost

$2.0M

Distinct drugs

Brand share

54.3%

Top prescribed drugs

Levothyroxine Sodium710 claims

Semaglutide316 claims

Tirzepatide263 claims

Rosuvastatin Calcium263 claims

Empagliflozin212 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$43

Payment records

By payment type

Education$43

Top paying entities

Education$43

REFERRAL NETWORK

Where Margaret Flynn's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST JOSEPH HOSPITAL OF NASHUA NH	70	256
MARY HITCHCOCK MEMORIAL HOSPITAL	14	65
Fred Riester Diagnostic Radiology · Nashua, NH	13	25

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events