ST. MARY'S MULTI-SPECIALTY SURGERY CENTRE, INC.
NPI 1295750594
Clinic/Center - Ambulatory Surgical in Great Mills, MD

Active since July 13, 2006
22325 GREENVIEW PKWY, GREAT MILLS, MD 20634(301) 862-3338(301) 862-3335 Get Directions Write a Review

NPPES record last updated: October 23, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About St. Mary's Multi-specialty Surgery Centre, Inc. NPPES

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

ST. MARY'S MULTI-SPECIALTY SURGERY CENTRE, INC. (NPI 1295750594) is a healthcare organization registered as an ambulatory surgical in Great Mills, Maryland and active in the NPI registry since July 2006. The organization lists Douglas Hallgren, Director, as its authorized official.

NPPES Registry Identity

NPI1295750594
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameST. MARY'S MULTI-SPECIALTY SURGERY CENTRE, INC.
Location Address22325 GREENVIEW PKWYGreat Mills, MD 20634-4404
Mailing AddressPo Box 1310California, MD 20619-1310 · (301) 862-3338 · Fax (301) 862-3335
Fax(301) 862-3335
Organization SubpartNo
Authorized OfficialDouglas HallgrenDirector · (301) 862-3338
Enumeration DateJuly 13, 2006
Last NPPES UpdateOctober 23, 2008
✔ NPI 1295750594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
License✔ Licensed in MD · A1147
22325 GREENVIEW PKWY, Great Mills, MD 20634

Other Identifiers 1

Medicare PIN021Z

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

St. Mary's Multi-specialty Surgery Centre, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to St. Mary's Multi-Specialty Surgery Centre, Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Podiatry
NPI 1194734780
22325 GREENVIEW PKWY
Great Mills, MD 20634
(301) 862-3338
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 St. Mary's Multi-Specialty Surgery Centre, Inc.'s NPI number?

The NPI number for St. Mary's Multi-Specialty Surgery Centre, Inc. is 1295750594. It was assigned to this organization in the NPPES registry on July 13, 2006.

Where is St. Mary's Multi-Specialty Surgery Centre, Inc. located?

St. Mary's Multi-Specialty Surgery Centre, Inc. is located at 22325 Greenview Pkwy, Great Mills, MD 20634. The listed phone number is (301) 862-3338.

What is St. Mary's Multi-Specialty Surgery Centre, Inc.'s specialty?

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

Is St. Mary's Multi-Specialty Surgery Centre, Inc. enrolled in Medicare?

Yes. St. Mary's Multi-Specialty Surgery Centre, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through St. Mary's Multi-Specialty Surgery Centre, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Podiatry) reassigns their Medicare billing to St. Mary's Multi-Specialty Surgery Centre, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for St. Mary's Multi-Specialty Surgery Centre, Inc. was last updated on October 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.