What is Mark Gregory's specialty?

Mark Gregory (NPI 1659346963) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Guthrie, OK.

Where does Mark Gregory practice?

Mark Gregory practices in Guthrie, OK, based on the location reported in the CMS Medicare provider datasets for NPI 1659346963.

How much does Medicare pay Mark Gregory?

Mark Gregory (NPI 1659346963) received approximately $57K in total Medicare Part B payments, serving 494 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1659346963

Mark GregoryM.D.

PRACTICEMERCY HOSPITAL LOGAN COUNTY INCSee all providers at this practice →

Emergency MedicineGuthrie, OKI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

581

Unique beneficiaries

—

Total services

621

Distinct HCPCS

Medicare payment

$55K

Peer benchmark

Total Medicare services vs. 647 Emergency Medicine providers in OK — above median (cohort median 401).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$347

Distinct drugs

Brand share

70.4%

Top prescribed drugs

Hydrocodone/Acetaminophen25 claims

Cephalexin16 claims

Ondansetron13 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 Mark Gregory'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). 48 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UHS OF OKLAHOMA, LLC	526	1,420
Life Emergency Medical Service, Inc. Ambulance Service Provider · Enid, OK	134	320
Uma Guniganti Cardiology · Enid, OK	88	297
John Walton Diagnostic Radiology · Tulsa, OK	81	181
MERCY HOSPITAL LOGAN COUNTY INC	81	167
Randy Niblett Diagnostic Radiology · Utica, NY	80	178
INTEGRIS BASS BAPTIST HEALTH CENTER	47	94
Garrett Shelton Hospitalist · Enid, OK	46	154
Rashmi Vijayvargiya Nephrology · Enid, OK	45	128
Jeremy Fullingim Diagnostic Radiology · Tulsa, OK	41	74
Peter Mostert Diagnostic Radiology · Tulsa, OK	39	67
Kristy Petersen Hospitalist · Enid, OK	38	133

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