What is Tammy Koscal's specialty?

Tammy Koscal (NPI 1578618526) is a Medicare-billing provider whose primary specialty is Certified Registered Nurse Anesthetist (CRNA) in Raleigh, NC.

Where does Tammy Koscal practice?

Tammy Koscal practices in Raleigh, NC, based on the location reported in the CMS Medicare provider datasets for NPI 1578618526.

How much does Medicare pay Tammy Koscal?

Tammy Koscal (NPI 1578618526) received approximately $5K in total Medicare Part B payments, serving 77 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578618526

Tammy KoscalCRNA

PRACTICEREX HOSPITAL INCSee all providers at this practice →

Certified Registered Nurse Anesthetist (CRNA)Raleigh, NCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 2,634 Certified Registered Nurse Anesthetist (CRNA) providers in NC — below median (cohort median 90).

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 · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Tammy Koscal'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
DUKE UNIVERSITY HEALTH SYSTEM INC	87	140
Stephen Rogers Anesthesiology · Raleigh, NC	17	18
Preeya Gupta Ophthalmology · Raleigh, NC	15	56
Lawrence Liao Cardiology · Raleigh, NC	12	13
Jessica Henderson Anesthesiology · Raleigh, NC	12	15

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