PROVIDER PROFILE · NPI 1861717019

Tatyana DerMD

HospitalistDurham, NCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

306

Unique beneficiaries

—

Total services

355

Distinct HCPCS

Medicare payment

$39K

Peer benchmark

Total Medicare services vs. 925 Hospitalist providers in NC — below median (cohort median 486).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Tatyana Der'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). 79 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
WELLMONT HEALTH SYSTEM	711	1,510
John Waldron Physician Assistant · Johnson City, TN	184	320
Janet Pickstock Hospitalist · Baton Rouge, LA	164	361
Mitchell Mendrek Diagnostic Radiology · Bristol, TN	154	271
JOHNSTONE, WILLIAM	151	313
HUTCHISON, JOHN	145	278
Jonathan Mai Diagnostic Radiology · Bristol, TN	144	295
Suzanne Dargan Nurse Practitioner · Kingsport, TN	139	215
BARKER, RANDALL	118	201
Mark Borsch Interventional Cardiology · Bristol, TN	111	213
Stephanie Adams Family Practice · Bristol, TN	107	213
Malisa Overbey Nurse Practitioner · Johnson City, TN	104	165

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