PROVIDER PROFILE · NPI 1003864737

Dennis BuchananMD

Obstetrics & GynecologyFullerton, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$6K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

215

Beneficiaries

—

Total drug cost

$20K

Distinct drugs

Brand share

34.0%

Top prescribed drugs

Estradiol89 claims

Clobetasol Propionate23 claims

Medroxyprogesterone Acetate19 claims

Estrogens, Conjugated17 claims

Estradiol15 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050168

Hospital

REFERRAL NETWORK

Where Dennis Buchanan'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). 2 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST JUDE HOSPITAL INC	19	35
Victor Lee Pathology · Oceanside, CA	15	41

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ST JUDE HOSPITAL INC	28	50
Unilab Corporation Clinical Laboratory · West Hills, CA	16	58
Victor Lee Pathology · Oceanside, CA	15	31

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