PROVIDER PROFILE · NPI 1801881503

Mark GarrisonDO

PRACTICEDOUGLAS GARRISON, DOSee all providers at this practice →

Obstetrics & GynecologyChico, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$5K

Peer benchmark

Total Medicare services vs. 1,761 Obstetrics & Gynecology providers in CA — below median (cohort median 118).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$902

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Estradiol12 claims

QUALITY · MIPS · 2024

Final MIPS score

81.5

Quality

60.5

Cost

68.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.27%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$41K

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$36K

Food and Beverage$3K

Travel and Lodging$2K

Education$750

REFERRAL NETWORK

Where Mark Garrison'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ENLOE MEDICAL CENTER	100	735
GLENN MEDICAL CENTER, LLC	26	199
NPI 1124110218	21	61
WARREN, JAMES	11	23
James Schlund Diagnostic Radiology · Chico, CA	11	17
Michael Grant Diagnostic Radiology · Eden Prairie, MN	11	29

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