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PROVIDER PROFILE · NPI 1013939917

Nereida Diaz-JohnsonM.D.

PRACTICEANNA CHERNYAK, MD LLCSee all providers at this practice →
Internal MedicineUnion, NJI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 317054
Home health agency
CCN 310051
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
644
Unique beneficiaries
—
Total services
1,029
Distinct HCPCS
13
Medicare payment
$61K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,616 Internal Medicine providers in NJ — above median (cohort median 895).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Nereida Diaz-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 · 10 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ENZO CLINICAL LABS, INC.63175
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
2943
James Haberman
Ophthalmology · Union, NJ
1423
Samuel Mayerfield
Diagnostic Radiology · Newburgh, NY
1344
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ENZO CLINICAL LABS, INC.169641
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
60148
AHS HOSPITAL CORP.39132
Samuel Mayerfield
Diagnostic Radiology · Newburgh, NY
3665
KESSLER, HOWARD2146
TRINITAS REGIONAL MEDICAL CENTER2173
Clark Philogene
Internal Medicine · Union, NJ
1633
James Haberman
Ophthalmology · Union, NJ
1439
Jasjit Walia
Cardiology · Elizabeth, NJ
1150
Arun Naik
Gastroenterology · Elizabeth, NJ
1123
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$737
Payment records
42
By payment type
Food and Beverage$737
PRESCRIBING · PART D · 2024
Total Rx claims
6,634
Beneficiaries
—
Total drug cost
$903K
Distinct drugs
120
Brand share
21.1%
Top prescribed drugs
Atorvastatin Calcium564 claims
Amlodipine Besylate357 claims
Metformin Hcl299 claims
Levothyroxine Sodium255 claims
Losartan Potassium232 claims