PROVIDER PROFILE · NPI 1699725507

Michael SumsionMD

PRACTICERIVERSIDE OPTICALSee all providers at this practice →

OphthalmologyRedding, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

10,031

Unique beneficiaries

—

Total services

26,924

Distinct HCPCS

Medicare payment

$3.7M

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — top quintile (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

1,459

Beneficiaries

—

Total drug cost

$238K

Distinct drugs

Brand share

37.0%

Top prescribed drugs

Timolol Maleate218 claims

Latanoprost210 claims

Bimatoprost196 claims

Prednisolone Acetate141 claims

Ofloxacin97 claims

QUALITY · MIPS · 2024

Final MIPS score

91.0

Quality

92.2

Cost

80.2

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.67%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$790

Payment records

By payment type

Food and Beverage$790

REFERRAL NETWORK

Where Michael Sumsion'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). 79 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MANDEL, DOUGLAS	160	371
DIGNITY HEALTH	151	368
PRIME HEALTHCARE SERVICES - SHASTA LLC	112	235
THOMAS, THOMAS	97	244
John Stewart Anesthesiology · Redding, CA	80	231
Richard Maples Family Practice · Redding, CA	73	195
CIVALIER, DAVID	70	164
CRAMER, THOMAS	57	116
Irwin Maier Diagnostic Radiology · Red Bluff, CA	54	71
Everett Trevor Pulmonary Disease · Redding, CA	51	111
Sander Saidman Diagnostic Radiology · Redding, CA	45	68
LASSEN MEDICAL GROUP INC	44	91

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