DR. Allan Douglas Siefkin, MD

NPI #1033113758 in Sacramento, California

Provider Information

NPI Number: 1033113758
Entity Type: Individual
Name: DR. Allan Douglas Siefkin, MD
Gender: Not Specified
Sole Proprietor: Not Answered
Primary Specialty: Internal Medicine
Credential: MD
Enumeration Date: Jun 9, 2005
Last Updated: Sep 11, 2025

Practice Location

Address: 2315 STOCKTON BLVD
City: Sacramento
State: California
ZIP Code: 95817-2201
Phone: (916) 734-1166

Specialties & Taxonomy Codes

Specialty	Taxonomy Code	Primary
Internal Medicine	207R00000X	Primary
Internal Medicine - Critical Care Medicine — Critical Care Medicine	207RC0200X
Internal Medicine - Pulmonary Disease — Pulmonary Disease	207RP1001X

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