What is Michael Johnson's specialty?

Michael Johnson (NPI 1619917986) is a Medicare-billing provider whose primary specialty is Physician Assistant in Grand Rapids, MI.

Where does Michael Johnson practice?

Michael Johnson practices in Grand Rapids, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1619917986.

How much does Medicare pay Michael Johnson?

Michael Johnson (NPI 1619917986) received approximately $9K in total Medicare Part B payments, serving 98 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619917986

Michael JohnsonPA-C

Physician AssistantGrand Rapids, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

108

Distinct HCPCS

Medicare payment

$7K

Peer benchmark

Total Medicare services vs. 4,490 Physician Assistant providers in MI — below median (cohort median 161).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$605

Distinct drugs

Brand share

19.3%

Top prescribed drugs

Tamsulosin Hcl31 claims

Oxycodone Hcl15 claims

Sulfamethoxazole/Trimethoprim11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Michael 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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPECTRUM HEALTH PRIMARY CARE PARTNERS	40	63
Hector Pimentel Urology · Grand Rapids, MI	27	58
KAHNOSKI, RICHARD	18	23
QUICK, JOHN	13	15

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