PROVIDER PROFILE · NPI 1619952371

Colby GrossmanM.D.

PRACTICEPALMETTO INTERNAL MEDICINE OF SUMMERVILLE PCSee all providers at this practice →

Internal MedicineSummerville, SCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,932

Unique beneficiaries

—

Total services

6,993

Distinct HCPCS

Medicare payment

$263K

Peer benchmark

Total Medicare services vs. 1,190 Internal Medicine providers in SC — top quintile (cohort median 884).

PRESCRIBING · PART D · 2024

Total Rx claims

6,905

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

120

Brand share

25.7%

Top prescribed drugs

Levothyroxine Sodium290 claims

Rosuvastatin Calcium289 claims

Amlodipine Besylate266 claims

Ezetimibe255 claims

Omeprazole215 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$735

Payment records

By payment type

Food and Beverage$657

Travel and Lodging$77

REFERRAL NETWORK

Where Colby Grossman'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
TRIDENT MEDICAL CENTER LLC	187	685
REEVES, TRACY	46	127
MEDICAL UNIVERSITY HOSPITAL AUTHORITY	39	143
Mark Coker Cardiology · Ladson, SC	31	165
Edwin Blitch Podiatry · Charleston, SC	30	107
Phillip Raduazo Diagnostic Radiology · Grand Rapids, MI	27	64
Aron Rosenthal Diagnostic Radiology · Mount Pleasant, SC	27	71
SOLSTAS LAB PARTNERS GROUP LLC	24	118
Brian Burke Diagnostic Radiology · Mount Pleasant, SC	23	56
MULLANEY, JOSEPH	17	37
Hudson Rogers Dermatology · Charleston, SC	16	37
David Bolster Internal Medicine · Summerville, SC	15	48

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