What is Andrew De Mar's specialty?

Andrew De Mar (NPI 1891716023) is a Medicare-billing provider whose primary specialty is General Surgery in Roseville, CA.

Where does Andrew De Mar practice?

Andrew De Mar practices in Roseville, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1891716023.

How much does Medicare pay Andrew De Mar?

Andrew De Mar (NPI 1891716023) received approximately $88K in total Medicare Part B payments, serving 409 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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