What is Lawrence Senffner's specialty?

Lawrence Senffner (NPI 1730120676) is a Medicare-billing provider whose primary specialty is Internal Medicine in Arcata, CA.

Where does Lawrence Senffner practice?

Lawrence Senffner practices in Arcata, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1730120676.

How much does Medicare pay Lawrence Senffner?

Lawrence Senffner (NPI 1730120676) received approximately $3K in total Medicare Part B payments, serving 371 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1730120676

Lawrence SenffnerM.D.

Internal MedicineArcata, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

362

Unique beneficiaries

—

Total services

452

Distinct HCPCS

Medicare payment

$3K

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

Beneficiaries

—

Total drug cost

$1K

Distinct drugs

Brand share

38.8%

Top prescribed drugs

Atorvastatin Calcium19 claims

Spironolact/Hydrochlorothiazid19 claims

Celecoxib11 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.

REFERRAL NETWORK

Where Lawrence Senffner'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). 23 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Natalia Zarzhevsky Diagnostic Radiology · Arcata, CA	294	886
Tuan Luu Emergency Medicine · Eureka, CA	99	238
ARCATA-MAD RIVER AMBULANCE	93	173
MANDIBERG, ROBERT	42	106
John Fjerstad Podiatry · Mckinleyville, CA	37	131
Shahram Abbassi Anesthesiology · Arcata, CA	34	93
Wahidullah Wahidullah Internal Medicine · Eureka, CA	33	89
Nhat Hoang Hospitalist · Santa Cruz, CA	32	91
Khoi Nguyen Family Practice · Arcata, CA	30	128
GARCIA, GARY	29	83
WALTON, BETTY	29	72
Kelly Kinsley Dermatology · Arcata, CA	27	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

Healthparse Signals

Monitor this provider for changes — dated NPI change events