caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1710931019

Andrew JohnstonMD

Internal MedicineCarmel, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
66
Unique beneficiaries
—
Total services
71
Distinct HCPCS
2
Medicare payment
$473
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — bottom quintile (cohort median 531).
PRESCRIBING · PART D · 2024
Total Rx claims
9,933
Beneficiaries
—
Total drug cost
$899K
Distinct drugs
144
Brand share
26.1%
Top prescribed drugs
Atorvastatin Calcium742 claims
Amlodipine Besylate435 claims
Losartan Potassium366 claims
Hydrocodone/Acetaminophen363 claims
Levothyroxine Sodium293 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Andrew Johnston'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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
COUNTY OF MONTEREY4242,085
COUNTY OF MONTEREY2691,408
NPI 135630548654169
Dan Anghelescu
Interventional Radiology · Kingston, NY
3587
Richard Rupp
Diagnostic Radiology · Pittsburgh, PA
3567
Michael Basse
Diagnostic Radiology · Salinas, CA
3383
American Medical Response West
Ambulance Service Provider · Salinas, CA
2980
Hemalatha Vangala
Internal Medicine · Yuba City, CA
2879
CENTRAL COAST VNA & HOSPICE, INC.1846
Dan Milanesa
Urology · Salinas, CA
1684
Michael Dicus
Nephrology · Salinas, CA
16113
NPI 14476823801646
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.