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Barry Steven Allswang, MD

Internal Medicine in Los Alamitos, CA. Individual provider (NPI-1).

NPI number1720016397
StatusActive
Last updated in NPPESSep 7, 2007

Details

NPI
1720016397
Entity type
Individual (NPI-1)
Name
Barry Steven Allswang
Credential
MD
Sex
Male
Sole proprietor
No
Enumeration date
Jun 30, 2006
Last updated
Sep 7, 2007

Medicare and OIG

Medicare enrolled (PECOS)
Yes · PRACTITIONER - INTERNAL MEDICINE
Can order and refer
Part B Yes · DME Yes · Home health Yes · Power mobility Yes · Hospice Yes
OIG exclusion list
This NPI is not listed

CMS and OIG files of November 2026. PECOS lookup · OIG exclusion check

Taxonomy and licenses

Taxonomy codeDescriptionLicenseStatePrimary
207R00000X Internal MedicineG34791CAYes

Practice location

3801 Katella Ave
Suite 330
Los Alamitos, CA 90720-3338

Phone 562-594-9546

Mailing address

3801 Katella Ave
Suite 330
Los Alamitos, CA 90720-3338

Is something wrong?

This page shows exactly what the provider filed with NPPES. Only the provider (or their surrogate) can change it, by signing in to NPPES. Our page updates within a day of their change. See how to update NPI information.

Other Internal Medicine Physician providers in Los Alamitos, CA

All 57 Internal Medicine Physician providers in Los Alamitos · All 1,495 providers in Los Alamitos

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