What is Oliver Gregory's specialty?

Oliver Gregory (NPI 1588772545) is a Medicare-billing provider whose primary specialty is Psychiatry in Chattanooga, TN.

Where does Oliver Gregory practice?

Oliver Gregory practices in Chattanooga, TN, based on the location reported in the CMS Medicare provider datasets for NPI 1588772545.

How much does Medicare pay Oliver Gregory?

Oliver Gregory (NPI 1588772545) received approximately $135K in total Medicare Part B payments, serving 303 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588772545

Oliver GregoryM.D.

PsychiatryChattanooga, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,092

Unique beneficiaries

—

Total services

2,280

Distinct HCPCS

Medicare payment

$132K

Peer benchmark

Total Medicare services vs. 268 Psychiatry providers in TN — top quintile (cohort median 224).

PRESCRIBING · PART D · 2024

Total Rx claims

3,624

Beneficiaries

—

Total drug cost

$570K

Distinct drugs

Brand share

23.1%

Top prescribed drugs

Trazodone Hcl319 claims

Clonazepam220 claims

Lamotrigine203 claims

Duloxetine Hcl164 claims

Quetiapine Fumarate163 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

64.3

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Oliver 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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PARKRIDGE MEDICAL CENTER, INC.	83	456
MEMORIAL HEALTH CARE SYSTEM INC.	32	97
County Of Hamilton Ambulance Service Provider · Chattanooga, TN	14	112
Kevin Ferguson Psychiatry · Chattanooga, TN	13	70

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