What is Gregory Dinwiddie's specialty?

Gregory Dinwiddie (NPI 1578567848) is a Medicare-billing provider whose primary specialty is Physician Assistant in Oklahoma City, OK.

Where does Gregory Dinwiddie practice?

Gregory Dinwiddie practices in Oklahoma City, OK, based on the location reported in the CMS Medicare provider datasets for NPI 1578567848.

How much does Medicare pay Gregory Dinwiddie?

Gregory Dinwiddie (NPI 1578567848) received approximately $21K in total Medicare Part B payments, serving 147 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578567848

Gregory DinwiddiePAC

PRACTICEINTEGRISSee all providers at this practice →

Physician AssistantOklahoma City, OKI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

177

Unique beneficiaries

—

Total services

200

Distinct HCPCS

Medicare payment

$13K

Peer benchmark

Total Medicare services vs. 1,359 Physician Assistant providers in OK — below median (cohort median 392).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$229

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Amiodarone Hcl19 claims

Tramadol Hcl17 claims

Metoprolol Tartrate12 claims

QUALITY · MIPS · 2024

Final MIPS score

84.7

Quality

73.5

Cost

69.3

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.41%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$835

Payment records

By payment type

Food and Beverage$835

Top paying entities

Food and Beverage$835

REFERRAL NETWORK

Where Gregory Dinwiddie'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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NPI 1043215890	76	252
SSM HEALTH CARE OF OKLAHOMA, INC.	45	85
Jimmy Nguyen Diagnostic Radiology · Oklahoma City, OK	29	38
Scott Lucas Cardiac Surgery · Tulsa, OK	29	85
Clifford Howell Cardiac Surgery · Oklahoma City, OK	27	92
Chester Beam Diagnostic Radiology · Oklahoma City, OK	25	42
Vikas Vij Diagnostic Radiology · Oklahoma City, OK	24	41
Robert Clark Interventional Cardiology · Oklahoma City, OK	21	95
SCHNABEL, JAMES	21	23
Robert Burwell Anesthesiology · Oklahoma City, OK	19	29
Robert Gelczer Diagnostic Radiology · Oklahoma City, OK	17	26
YEN, ERVIN	17	23

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