What is Marc Grobman's specialty?

Marc Grobman (NPI 1063484442) is a Medicare-billing provider whose primary specialty is Internal Medicine in Wilmington, DE.

Where does Marc Grobman practice?

Marc Grobman practices in Wilmington, DE, based on the location reported in the CMS Medicare provider datasets for NPI 1063484442.

How much does Medicare pay Marc Grobman?

Marc Grobman (NPI 1063484442) received approximately $156K in total Medicare Part B payments, serving 314 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1063484442

Marc GrobmanD.O.

Internal MedicineWilmington, DEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,085

Unique beneficiaries

—

Total services

2,295

Distinct HCPCS

Medicare payment

$149K

Peer benchmark

Total Medicare services vs. 390 Internal Medicine providers in DE — top quintile (cohort median 749).

PRESCRIBING · PART D · 2024

Total Rx claims

5,646

Beneficiaries

—

Total drug cost

$694K

Distinct drugs

126

Brand share

25.4%

Top prescribed drugs

Atorvastatin Calcium424 claims

Amlodipine Besylate243 claims

Oxycodone Hcl196 claims

Levothyroxine Sodium178 claims

Alprazolam156 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

104

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 087002

Home health agency

CCN 087021

Home health agency

CCN 080001

Hospital

REFERRAL NETWORK

Where Marc Grobman'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). 7 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	82	217
CHRISTIANA CARE HEALTH SERVICES, INC.	76	340
ST. FRANCIS HOSPITAL INC.	20	145
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	18	51
Garth Koniver Diagnostic Radiology · Wilmington, DE	14	20
Bryan Franck Diagnostic Radiology · Newark, DE	14	32
CHRISTIANA CARE HOME HEALTH AND COMMUNITY SERVICES, INC.	12	33

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	84	227
CHRISTIANA CARE HEALTH SERVICES, INC.	77	370
ST. FRANCIS HOSPITAL INC.	23	151
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	20	58
Garth Koniver Diagnostic Radiology · Wilmington, DE	19	29
Aegis Sciences Corporation Clinical Laboratory · Nashville, TN	15	38
CHRISTIANA CARE HOME HEALTH AND COMMUNITY SERVICES, INC.	13	41
Laboratory Corporation Of America Holdings Clinical Laboratory · New Castle, DE	13	38
Kris Conde Diagnostic Radiology · Newark, DE	12	18
CROZER-CHESTER MEDICAL CENTER	11	46

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