What is Martha Johnson's specialty?

Martha Johnson (NPI 1457394405) is a Medicare-billing provider whose primary specialty is Physician Assistant in Jackson, MN.

Where does Martha Johnson practice?

Martha Johnson practices in Jackson, MN, based on the location reported in the CMS Medicare provider datasets for NPI 1457394405.

How much does Medicare pay Martha Johnson?

Martha Johnson (NPI 1457394405) received approximately $561 in total Medicare Part B payments, serving 81 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1457394405

Martha JohnsonPAC

Physician AssistantJackson, MNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$561

Peer benchmark

Total Medicare services vs. 3,057 Physician Assistant providers in MN — bottom quintile (cohort median 253).

PRESCRIBING · PART D · 2024

Total Rx claims

9,393

Beneficiaries

—

Total drug cost

$321K

Distinct drugs

131

Brand share

18.6%

Top prescribed drugs

Losartan Potassium437 claims

Amlodipine Besylate423 claims

Lisinopril366 claims

Citalopram Hydrobromide343 claims

Omeprazole340 claims

QUALITY · MIPS · 2024

Final MIPS score

85.5

Quality

81.0

Cost

70.8

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.44%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Martha 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). 8 inbound referrers · 21 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SANFORD HEALTH NETWORK	242	2,284
SANFORD HEALTH NETWORK	228	1,315
SANFORD HEALTH NETWORK	70	200
SANFORD HEALTH NETWORK	51	177
SIEMERS, VICTORIA	33	106
Charles Flohr Diagnostic Radiology · Sioux Falls, SD	19	51
LAKES COMMUNITIES INC	19	100
John Reinschmidt Diagnostic Radiology · Sioux Falls, SD	14	31

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SANFORD HEALTH NETWORK	159	1,304
SANFORD HEALTH NETWORK	155	676
SANFORD MEDICAL CENTER	64	279
SANFORD HEALTH NETWORK	56	220
SANFORD HEALTH NETWORK	42	120
Ronald Kline Family Practice · Jackson, MN	34	221
SIEMERS, VICTORIA	33	147
Habiba Ikoghode Family Practice · Jackson, MN	27	135
Scott Pham Clinical Cardiac Electrophysiology · Sioux Falls, SD	26	178
Chad Laurich Vascular Surgery · Dakota Dunes, SD	20	128
LAKES COMMUNITIES INC	18	108
Charles Flohr Diagnostic Radiology · Sioux Falls, SD	17	46

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