PROVIDER PROFILE · NPI 1740317155

Gregory ZydiakM.D.

Internal MedicineWebster Groves, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

101

Unique beneficiaries

—

Total services

424

Distinct HCPCS

Medicare payment

$24K

Peer benchmark

Total Medicare services vs. 1,563 Internal Medicine providers in MO — below median (cohort median 658).

PRESCRIBING · PART D · 2024

Total Rx claims

1,107

Beneficiaries

—

Total drug cost

$60K

Distinct drugs

Brand share

14.1%

Top prescribed drugs

Trazodone Hcl88 claims

Furosemide66 claims

Atorvastatin Calcium63 claims

Potassium Chloride61 claims

Lisinopril54 claims

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 Gregory Zydiak'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). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Biotech X-Ray Inc Portable X-Ray Supplier · Saint Louis, MO	50	256
THE CEDARS OF TOWN AND COUNTRY, LLC	46	511
OPTUM PALLIATIVE AND HOSPICE CARE, INC.	34	135
GATEWAY AMBULANCE SERVICE LLC	32	167
MISSOURI BAPTIST MEDICAL CENTER	23	153
MARYMOUNT MANOR LLC	22	196
Jeffrey Boatman Certified Clinical Nurse Specialist · Saint Louis, MO	22	139
Adam Sky Psychiatry · Saint Louis, MO	19	99
RHODES, DAWN	18	48
ST. LUKES EPISCOPAL-PRESBYTERIAN HOSPITAL	16	68
BBW MANAGEMENT GROUP, LLC	15	174
MERCY HOSPITALS EAST COMMUNITIES	14	100

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