Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

J Trees Ritter D.O., Inc.

Infusion Therapy Clinic/Center in San Luis Obispo, CA · enumerated 2019 · authorized official Jethro Ritter, President.

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

National Provider Identifier

1356802128

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Registry record

Entity type Organization (Type 2)

Legal business name J Trees Ritter D.O., Inc.

Other name <Unavail>

Parent organization J Trees Ritter D.O., Inc.

Practice address 1250 Peach St Ste M, San Luis Obispo, CA, 93401

Phone (805) 540-0689

Enumeration date Mar 26, 2019

Last updated in NPPES Dec 15, 2022

Taxonomy & classification

261QI0500X Infusion Therapy Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Jethro Ritter

Title President

Phone (805) 305-5296

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

Where is J Trees Ritter D.O., Inc. located?

The practice location on file with NPPES is in San Luis Obispo, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2022-12-15. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-15.