What is Margaret Johnson's specialty?

Margaret Johnson (NPI 1639169568) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Jacksonville, FL.

Where does Margaret Johnson practice?

Margaret Johnson practices in Jacksonville, FL, based on the location reported in the CMS Medicare provider datasets for NPI 1639169568.

How much does Medicare pay Margaret Johnson?

Margaret Johnson (NPI 1639169568) received approximately $53K in total Medicare Part B payments, serving 439 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639169568

Margaret JohnsonMD

PRACTICEMAYO CLINICSee all providers at this practice →

Pulmonary DiseaseJacksonville, FLI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

524

Unique beneficiaries

—

Total services

632

Distinct HCPCS

Medicare payment

$47K

Peer benchmark

Total Medicare services vs. 732 Pulmonary Disease providers in FL — below median (cohort median 1,242).

PRESCRIBING · PART D · 2024

Total Rx claims

811

Beneficiaries

—

Total drug cost

$3.2M

Distinct drugs

Brand share

67.4%

Top prescribed drugs

Elexacaftor/Tezacaftor/Ivacaft104 claims

Albuterol Sulfate98 claims

Umeclidinium Brm/Vilanterol Tr67 claims

Azithromycin52 claims

Prednisone49 claims

QUALITY · MIPS · 2024

Final MIPS score

84.2

Quality

74.8

Cost

72.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.39%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$17

Payment records

By payment type

Education$17

Top paying entities

Education$17

REFERRAL NETWORK

Where Margaret Johnson'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). 44 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mayo Clinic Jacksonville Clinical Laboratory · Jacksonville, FL	287	1,590
MCCOMB, BARBARA	83	142
Fred Kusumoto Clinical Cardiac Electrophysiology · Jacksonville, FL	73	131
Jonathan Phelan Diagnostic Radiology · Roseville, MN	72	127
K Venkatachalam Cardiology · Jacksonville, FL	72	150
NPI 1376534453	63	99
LEVENTHAL, JACK	63	143
Daniel Wessell Diagnostic Radiology · Jacksonville, FL	36	58
NPI 1356332431	35	64
Neal Patel Critical Care (Intensivists) · Jacksonville, FL	32	53
City Of Jacksonville Ambulance Service Provider · Jacksonville, FL	32	49
Hillary Garner Diagnostic Radiology · Jacksonville, FL	31	43

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