PROVIDER PROFILE · NPI 1851311104

Ralph PetersonMD

PRACTICEMACARTHUR GASTROENTEROLOGY INC.See all providers at this practice →

GastroenterologyOakland, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

596

Unique beneficiaries

—

Total services

1,022

Distinct HCPCS

Medicare payment

$127K

Peer benchmark

Total Medicare services vs. 1,398 Gastroenterology providers in CA — above median (cohort median 750).

PRESCRIBING · PART D · 2024

Total Rx claims

1,204

Beneficiaries

—

Total drug cost

$207K

Distinct drugs

Brand share

30.3%

Top prescribed drugs

Famotidine296 claims

Dicyclomine Hcl191 claims

Pantoprazole Sodium131 claims

Linaclotide108 claims

Omeprazole90 claims

QUALITY · MIPS · 2024

Final MIPS score

24.6

Quality

0.0

Cost

81.8

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-6.05%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$10K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$9K

Food and Beverage$711

Travel and Lodging$232

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$9K

Food and Beverage$711

Travel and Lodging$232

REFERRAL NETWORK

Where Ralph Peterson'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Henry Watson Specialist · Oakland, CA	30	151
SUTTER EAST BAY HOSPITALS	25	60
ALAMEDA HEALTH SYSTEM	20	52
TIBURCIO VASQUEZ HEALTH CENTER, INC.	15	46
ALAMEDA HEALTH SYSTEM	14	21
EQUITY HEALTH	14	47
TANDON, MEENA	13	30
LIFELONG MEDICAL CARE	12	27

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