What is Dennis Riff's specialty?

Dennis Riff (NPI 1922004662) is a Medicare-billing provider whose primary specialty is Gastroenterology in Anaheim, CA.

Where does Dennis Riff practice?

Dennis Riff practices in Anaheim, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1922004662.

How much does Medicare pay Dennis Riff?

Dennis Riff (NPI 1922004662) received approximately $281K in total Medicare Part B payments, serving 410 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922004662

Dennis RiffM.D.

PRACTICEASSOCIATED GASTROENTEROLOGY MEDICAL GROUPSee all providers at this practice →

GastroenterologyAnaheim, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

612

Unique beneficiaries

—

Total services

5,867

Distinct HCPCS

Medicare payment

$131K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

1,959

Beneficiaries

—

Total drug cost

$710K

Distinct drugs

Brand share

44.2%

Top prescribed drugs

Pantoprazole Sodium322 claims

Omeprazole320 claims

Sodium, Potassium,mag Sulfates259 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl108 claims

Famotidine102 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

70.5

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$23K

Payment records

159

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$15K

Food and Beverage$3K

Debt forgiveness$3K

Travel and Lodging$2K

Education$84

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$15K

Food and Beverage$3K

Debt forgiveness$3K

Travel and Lodging$2K

Education$84

REFERRAL NETWORK

Where Dennis Riff'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	40	126
Kamini Malhotra, M.D Inc Clinical Laboratory · Fountain Valley, CA	26	31
Agmg Endoscopy Center A General Partnership Ambulatory Surgical Center · Anaheim, CA	24	38
NPI 1154327898	22	47

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