Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Riverside Ambulatory Surgery Center, LLC

Q: What is the NPI number for Riverside Ambulatory Surgery Center, LLC?

The NPI for Riverside Ambulatory Surgery Center, LLC is 1366515504, a Type 2 (organization) record in the CMS NPPES registry.

Ambulatory Surgical Clinic/Center in Hazelwood, MO · enumerated 2006 · authorized official Christopher Hartshorn, Medicare Authorized Official.

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

National Provider Identifier

1366515504

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Registry record

Entity type Organization (Type 2)

Legal business name Riverside Ambulatory Surgery Center, LLC

Other name <Unavail>

Practice address 100 Village Sq, Hazelwood, MO, 63042

Phone (314) 373-8931

Fax (314) 373-8935

Enumeration date Nov 16, 2006

Last updated in NPPES Sep 6, 2024

Taxonomy & classification

261QA1903X Ambulatory Surgical Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Christopher Hartshorn

Title Medicare Authorized Official

Phone (314) 800-2017

Other identifiers

Identifier	Type	State	Issuer
P00240669	Other	MO	RAILROAD MEDICARE
192544	Other	MO	BLUE CROSS BLUE SHIELD
P00240669	Other	MO	RR MEDICARE
504453606	Medicaid	MO	-

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.

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Frequently asked questions

What is the NPI number for Riverside Ambulatory Surgery Center, LLC?

The NPI for Riverside Ambulatory Surgery Center, LLC is 1366515504, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Riverside Ambulatory Surgery Center, LLC?

NPPES lists Christopher Hartshorn (Medicare Authorized Official) as the authorized official for this organization.

Providers at this address

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Robyn Haithcock Gastroenterology Physician · Hazelwood, MO NPI 1497751994 Gary Koenig Gastroenterology Physician · Hazelwood, MO NPI 1861485724 David Margolis Gastroenterology Physician · Hazelwood, MO NPI 1538152301 David Landau Gastroenterology Physician · Hazelwood, MO NPI 1861485476 Digestive Disease Specialists Inc Gastroenterology Physician · Hazelwood, MO NPI 1912043373 Digestive Care Consultants, Inc Gastroenterology Physician · Hazelwood, MO NPI 1427175645 Dreamland Uap Anesthesia, LLC Certified Registered Nurse Anesthetist · Hazelwood, MO NPI 1073919494 Riverside Ambulatory Surgery Center, LLC Ambulatory Surgical Clinic/Center · Hazelwood, MO NPI 1790132322

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-09-06.