Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Samuel K Wirtschafter MD Inc

Q: What type of organization is Samuel K Wirtschafter MD Inc?

Samuel K Wirtschafter MD Inc is registered in NPPES as a Gastroenterology Physician (its primary provider taxonomy).

Gastroenterology Physician in San Pedro, CA · enumerated 2007 · authorized official Samuel Wirtschafter, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1598982175

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Registry record

Entity type Organization (Type 2)

Legal business name Samuel K Wirtschafter MD Inc

Practice address 1360 W 6th St, Suite 315n, San Pedro, CA, 90732

Phone (310) 832-4517

Fax (310) 832-6419

Enumeration date Apr 18, 2007

Last updated in NPPES Mar 7, 2008

Taxonomy & classification

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License A181060 (CA) Primary

Authorized official

Name Samuel Wirtschafter

Title President

Phone (310) 832-4517

Other identifiers

Identifier	Type	State	Issuer
00A181060	Medicaid	CA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Samuel K Wirtschafter MD Inc?

Samuel K Wirtschafter MD Inc is registered in NPPES as a Gastroenterology Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-07.