What is Cheryl Johnstone's specialty?

Cheryl Johnstone (NPI 1629097530) is a Medicare-billing provider whose primary specialty is Internal Medicine in Northville, MI.

Where does Cheryl Johnstone practice?

Cheryl Johnstone practices in Northville, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1629097530.

How much does Medicare pay Cheryl Johnstone?

Cheryl Johnstone (NPI 1629097530) received approximately $119K in total Medicare Part B payments, serving 340 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629097530

Cheryl JohnstoneM..D.

PRACTICEROSS SUMMERS MD PLLCSee all providers at this practice →

Internal MedicineNorthville, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,751

Unique beneficiaries

—

Total services

2,357

Distinct HCPCS

Medicare payment

$105K

Peer benchmark

Total Medicare services vs. 3,459 Internal Medicine providers in MI — top quintile (cohort median 549).

PRESCRIBING · PART D · 2024

Total Rx claims

6,002

Beneficiaries

—

Total drug cost

$483K

Distinct drugs

113

Brand share

20.7%

Top prescribed drugs

Levothyroxine Sodium431 claims

Atorvastatin Calcium367 claims

Amlodipine Besylate309 claims

Losartan Potassium275 claims

Lisinopril252 claims

QUALITY · MIPS · 2024

Final MIPS score

93.8

Quality

75.1

Cost

0.0

Improvement activities

40.0

Promoting interop.

88.5

Payment adjustment

0.79%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where Cheryl Johnstone'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
QUEST DIAGNOSTICS INCORPORATED MI	194	1,756
ASCENSION PROVIDENCE HOSPITAL	45	163
Quest Diagnostics Llc Il Clinical Laboratory · Schaumburg, IL	25	89
REGENTS OF THE UNIVERSITY OF MICHIGAN	22	97
Paul Debrincat Family Practice · Canton, MI	19	47
HENRY FORD HEALTH ST. JOHN HOSPITAL	14	35

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