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OAK TREE SURGICAL CENTER LLC
NPI 1831428861
Clinic/Center - Ambulatory Surgical in Thousand Oaks, CA

Active since December 22, 2009CLIA 05D2005313 · Waiver
2230 LYNN RD, SUITE 320, THOUSAND OAKS, CA 91360(805) 371-8400(805) 371-8404 Get Directions Write a Review

NPPES record last updated: May 18, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Oak Tree Surgical Center Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OAK TREE SURGICAL CENTER LLC (NPI 1831428861) is a healthcare organization registered as an ambulatory surgical in Thousand Oaks, California and active in the NPI registry since December 2009. The organization holds a CLIA Waiver certificate valid through March 23, 2028 and lists Shahram Daneshgar, Owner, as its authorized official.

NPPES Registry Identity

NPI1831428861
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameOAK TREE SURGICAL CENTER LLC
Location Address2230 LYNN RD, SUITE 320Thousand Oaks, CA 91360-1901
Mailing Address2230 Lynn Rd., Suite 320Thousand Oaks, CA 91360 · (805) 371-8400 · Fax (805) 371-8404
Phone(805) 371-8400
Fax(805) 371-8404
Organization SubpartNo
Authorized OfficialShahram DaneshgarOwner · (805) 371-8404
Enumeration DateDecember 22, 2009
Last NPPES UpdateMay 18, 2012
✔ NPI 1831428861 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
2230 LYNN RD, Thousand Oaks, CA 91360
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CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2005313

Oak Tree Surgery Center LLC · Thousand Oaks, CA
Active · expires Mar 23, 2028
CLIA Number05D2005313
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateMarch 24, 2026
Certificate Expiration DateMarch 23, 2028
Laboratory DirectorShahram Daneshgar
Laboratory Phone(805) 371-8400
Laboratory LocationOak Tree Surgery Center LLC2230 Lynn Road, Thousand Oaks, CA 91360
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
232 services227 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
188 services185 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
129 services127 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
79 services79 patients
Dilation of esophagus 43450
Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.
15 services15 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STEVEN A KIND M.D., MEDICAL CORPORATION
Specialist
2230 LYNN RD, 330
THOUSAND OAKS, CA 91360
Ventura County (805) 373-0177
MIRAMAR LYNN MEDICAL GROUP INC
Ophthalmology
2230 LYNN RD, STE 102
THOUSAND OAKS, CA 91360
Ventura County (805) 495-0458
BONAVENTURE F ENG MD INC
Internal Medicine (Gastroenterology)
2230 LYNN RD, SUITE 104
THOUSAND OAKS, CA 91360
Ventura County (806) 497-0961
MEREDITH G MATZKIN M.D.
Ophthalmology
2230 LYNN RD, #102
THOUSAND OAKS, CA 91360
Ventura County (805) 495-0458
ARROYO OAKS LABORATORY
Clinical Medical Laboratory
2230 LYNN RD, SUITE 200
THOUSAND OAKS, CA 91360
Ventura County (805) 495-1066
RONALD DE LA PENA M.D.
Obstetrics & Gynecology
2230 LYNN RD, SUITE 200
THOUSAND OAKS, CA 91360
Ventura County (805) 495-1066
ARROYO OAKS MEDICAL GROUP
Non-Pharmacy Dispensing Site
2230 LYNN RD, SUITE 200
THOUSAND OAKS, CA 91360
Ventura County (805) 495-1066
LOMBARD UNITED DRUG CO INC
Pharmacy (Community/Retail Pharmacy)
2230 LYNN RD, STE 100
THOUSAND OAKS, CA 91360
Ventura County (805) 497-3943

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Oak Tree Surgical Center LLC's NPI number?

The NPI number for Oak Tree Surgical Center LLC is 1831428861. It was assigned to this organization in the NPPES registry on December 22, 2009.

Where is Oak Tree Surgical Center LLC located?

Oak Tree Surgical Center LLC is located at 2230 Lynn Rd Suite 320, Thousand Oaks, CA 91360. The listed phone number is (805) 371-8400.

What is Oak Tree Surgical Center LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Does Oak Tree Surgical Center LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2005313) is associated with this NPI, valid through March 23, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Oak Tree Surgical Center LLC was last updated on May 18, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.