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J Petersen MD Inc

Q: What type of organization is J Petersen MD Inc?

J Petersen MD Inc is registered in NPPES as a Internal Medicine Physician (its primary provider taxonomy).

Internal Medicine Physician in Salinas, CA · enumerated 2006 · authorized official John Petersen, Owner.

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

National Provider Identifier

1811004799

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Registry record

Entity type Organization (Type 2)

Legal business name J Petersen MD Inc

Practice address 450 E Romie Ln, Salinas, CA, 93901

Phone (831) 759-1840

Enumeration date Aug 24, 2006

Last updated in NPPES Sep 8, 2010

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License G74917 (CA) Primary

Authorized official

Name John Petersen

Title Owner

Phone (831) 649-1000

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 J Petersen MD Inc?

J Petersen MD Inc is registered in NPPES as a Internal Medicine 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 2010-09-08.