What is Carl Buckhorn's specialty?

Carl Buckhorn (NPI 1649264847) is a Medicare-billing provider whose primary specialty is Internal Medicine in Yorba Linda, CA.

Where does Carl Buckhorn practice?

Carl Buckhorn practices in Yorba Linda, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1649264847.

How much does Medicare pay Carl Buckhorn?

Carl Buckhorn (NPI 1649264847) received approximately $18K in total Medicare Part B payments, serving 75 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649264847

Carl BuckhornM.D.

Internal MedicineYorba Linda, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

173

Distinct HCPCS

Medicare payment

$14K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — below median (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

2,920

Beneficiaries

—

Total drug cost

$136K

Distinct drugs

Brand share

20.7%

Top prescribed drugs

Hydrocodone/Acetaminophen216 claims

Gabapentin121 claims

Alprazolam117 claims

Lisinopril109 claims

Amlodipine Besylate104 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$257

Payment records

By payment type

Food and Beverage$257

Top paying entities

Food and Beverage$257

REFERRAL NETWORK

Where Carl Buckhorn'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). 39 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Lutfi Sayyur Internal Medicine · Fullerton, CA	142	524
Bradley Jackson Diagnostic Radiology · Fullerton, CA	81	280
ST JUDE HOSPITAL INC	69	196
Danh Nguyen Diagnostic Radiology · Riverside, CA	69	237
AHMC WHITTIER HOSPITAL MEDICAL	63	144
Hao Ngo Diagnostic Radiology · Fullerton, CA	56	171
Bay Ngo Diagnostic Radiology · Whittier, CA	50	134
Samuel Maxwell Diagnostic Radiology · Fullerton, CA	48	112
STAMBUK, EDGAR	45	115
Arman Forouzannia Diagnostic Radiology · Lynnwood, WA	41	136
Ramesh Rathod Interventional Cardiology · Fullerton, CA	37	125
JAMES SONG MD A PROFESSIONAL CORPORATION	34	73

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events