What is John Detwiler's specialty?

John Detwiler (NPI 1154324036) is a Medicare-billing provider whose primary specialty is Internal Medicine in Escondido, CA.

Where does John Detwiler practice?

John Detwiler practices in Escondido, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1154324036.

How much does Medicare pay John Detwiler?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for John Detwiler (NPI 1154324036) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1154324036

John Detwiler

Internal MedicineEscondido, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$76

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Spironolactone13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Detwiler'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). 37 inbound referrers · 73 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PALOMAR HEALTH	235	485
PALOMAR HEALTH	68	97
NPI 1245331230	64	118
Kiran Patel Diagnostic Radiology · Oceanside, CA	63	150
NPI 1063473429	47	92
Jeffrey Miller Diagnostic Radiology · Oceanside, CA	45	76
William Kakimoto Diagnostic Radiology · La Jolla, CA	30	45
Unilab Corporation Clinical Laboratory · West Hills, CA	29	65
Tan Nguyen Diagnostic Radiology · Dallas, TX	28	57
City Of San Marcos Ambulance Service Provider · San Marcos, CA	28	43
Hamed Bayat Cardiology · Escondido, CA	26	61
Sean Pinnell Diagnostic Radiology · Vista, CA	23	31

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PALOMAR HEALTH	144	293
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	113	246
Kiran Patel Diagnostic Radiology · Oceanside, CA	71	141
Jeremy Stupin Diagnostic Radiology · Escondido, CA	65	136
Rod Serry Interventional Cardiology · Escondido, CA	47	103
NPI 1245331230	47	77
Jeffrey Miller Diagnostic Radiology · Oceanside, CA	42	69
EVANS, DAVID	41	54
Steven Epner Diagnostic Radiology · Oceanside, CA	37	60
PALOMAR HEALTH	36	53
Hamed Bayat Cardiology · Escondido, CA	35	78
Tan Nguyen Diagnostic Radiology · Dallas, TX	34	49

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