PROVIDER PROFILE · NPI 1891716023

Andrew De MarM.D.

PRACTICEANDREW R. DEMAR,JR,M.D. INCSee all providers at this practice →

General SurgeryRoseville, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

419

Unique beneficiaries

—

Total services

479

Distinct HCPCS

Medicare payment

$51K

Peer benchmark

Total Medicare services vs. 1,763 General Surgery providers in CA — top quintile (cohort median 269).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$100

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Hydrocodone/Acetaminophen19 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$21

Payment records

By payment type

Food and Beverage$21

REFERRAL NETWORK

Where Andrew De Mar'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). 47 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SUTTER VALLEY HOSPITALS	231	482
BOSCO, PHILIP	74	174
Zia Dehqanzada General Surgery · Apo, AE	66	158
Jon Perlstein General Surgery · Roseville, CA	50	113
Hugh Mcswain Diagnostic Radiology · San Francisco, CA	47	127
Bijan Bijan Diagnostic Radiology · Sacramento, CA	46	80
NPI 1295787455	45	109
Christine Chao Interventional Radiology · Sacramento, CA	40	84
NPI 1306008248	28	74
Scott Foster Diagnostic Radiology · Sacramento, CA	27	47
Kamran Ahmed Diagnostic Radiology · Sacramento, CA	26	54
Jeffrey Fountain Diagnostic Radiology · Sacramento, CA	25	64

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