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PROVIDER PROFILE · NPI 1144237215

Carl JohnsonMD

PRACTICELNF CORPORATIONSee all providers at this practice →
Internal MedicineTopsfield, MAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
3,071
Beneficiaries
—
Total drug cost
$147K
Distinct drugs
72
Brand share
19.1%
Top prescribed drugs
Warfarin Sodium231 claims
Apixaban188 claims
Atorvastatin Calcium162 claims
Furosemide139 claims
Trazodone Hcl133 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
309
Unique beneficiaries
—
Total services
738
Distinct HCPCS
4
Medicare payment
$39K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,978 Internal Medicine providers in MA — above median (cohort median 564).
REFERRAL NETWORK

Where Carl 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). 66 inbound referrers · 93 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NORTHEAST HOSPITAL CORPORATION3773,538
NPI 11947523941601,450
JOHNSON, CATHY127941
Mary O'neill
Diagnostic Radiology · Beverly, MA
104611
CHAFEY, JAMES88436
Lance Larsen
Cardiology · Beverly, MA
79360
Timothy Frey
Diagnostic Radiology · Boston, MA
65383
ROCHMAN, EVAN65301
Lindsay Pearce
Diagnostic Radiology · Beverly, MA
63373
Robert Rokowski
Cardiology · Lancaster, PA
60585
Kathleen Walsh
Diagnostic Radiology · Beverly, MA
58315
NORTHEAST PROFESSIONAL REGISTRY OF NURSES INC57171
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
LEDGEWOOD HEALTHCARE CORPORATION5393,322
NORTHEAST HOSPITAL CORPORATION2683,211
James Maguire
Internal Medicine · Gloucester, MA
2272,099
Shawn Pawson
Internal Medicine · Gloucester, MA
2011,224
NPI 11947523941871,177
Northeast Regional Ambulance Service, Inc.
Ambulance Service Provider · Middleton, MA
153466
JOHNSON, CATHY1531,146
NORTHEAST PROFESSIONAL REGISTRY OF NURSES INC108356
LAHEY CLINIC HOSPITAL, INC.77579
Symphony Diagnostic Services No 1 Llc
Portable X-Ray Supplier · Sparks, MD
74339
PRATTE, MARCIA52402
VNA CARE NETWORK, INC.52197
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.