What is Stephen Sack's specialty?

Stephen Sack (NPI 1548319940) is a Medicare-billing provider whose primary specialty is Radiation Oncology in Tulsa, OK.

Where does Stephen Sack practice?

Stephen Sack practices in Tulsa, OK, based on the location reported in the CMS Medicare provider datasets for NPI 1548319940.

How much does Medicare pay Stephen Sack?

Stephen Sack (NPI 1548319940) received approximately $253K in total Medicare Part B payments, serving 277 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548319940

Stephen SackMD

PRACTICEOKLAHOMA ONCOLOGY INCSee all providers at this practice →

Radiation OncologyTulsa, OKI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,321

Unique beneficiaries

—

Total services

3,465

Distinct HCPCS

Medicare payment

$251K

Peer benchmark

Total Medicare services vs. 35 Radiation Oncology providers in OK — above median (cohort median 2,576).

PRESCRIBING · PART D · 2024

Total Rx claims

200

Beneficiaries

—

Total drug cost

$5K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Pentoxifylline138 claims

Gabapentin22 claims

Tamsulosin Hcl17 claims

Dexamethasone12 claims

Lorazepam11 claims

QUALITY · MIPS · 2024

Final MIPS score

88.7

Quality

69.1

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.58%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Stephen Sack'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). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SAINT FRANCIS HOSPITAL, INC.	238	1,968
Charles Stewart Radiation Oncology · Tulsa, OK	142	1,044
Tulsa Medical Laboratory, Llc Clinical Laboratory · Tulsa, OK	33	65
Muhammad Janjua Hematology-Oncology · Tulsa, OK	24	231
Matthew Armstrong Medical Oncology · Tulsa, OK	22	225
CARSTENS, MARY	22	56
Jane Bare Cardiology · Tulsa, OK	20	74
CASSIDY, JOHN	19	44
SAINT FRANCIS HOSPITAL SOUTH LLC	19	50
Suchitra Godara Diagnostic Radiology · Tulsa, OK	18	50
Philip Traino Diagnostic Radiology · Tulsa, OK	18	33
REGIONAL MEDICAL LABORATORY, INC	16	78

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