KAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES, INC
NPI 1457023616
Clinic/Center - Ambulatory Surgical in Timonium, MD
About Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES, INC (NPI 1457023616), doing business as Kaiser Permanente Lutherville-timonium Ambulatory Surgery Center, is a healthcare organization registered as an ambulatory surgical in Timonium, Maryland and active in the NPI registry since October 2021. The organization lists Colleen E Swinton, Credentialing Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
427Medicare enrollment records show 427 clinicians reassign Medicare billing to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc, which bills Medicare for the services they deliver. Of these, 10 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 33
Nearest to this location (20)
See all 427Randallstown, MD 21133
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 Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc's NPI number?
The NPI number for Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc is 1457023616. It was assigned to this organization in the NPPES registry on October 5, 2021. The provider is doing business as Kaiser Permanente Lutherville-Timonium Ambulatory Surgery Center.
Where is Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc located?
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc is located at 2391 Greenspring Drive, Timonium, MD 21093. The listed phone number is (301) 816-2424.
What is Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.
Is Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc enrolled in Medicare?
Yes. Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 427 clinicians in 33 Medicare specialties reassign their Medicare billing to Kaiser Foundation Health Plan Of The Mid Atlantic States, 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. The largest specialties are Anesthesiology (64), Obstetrics/Gynecology (62) and Emergency Medicine (51). Of these, 10 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.
# Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc · NPI 1457023616
Ambulatory Surgical organization in Timonium, Maryland. Organization record, active in the CMS NPPES registry since October 5, 2021.
## Identity
- **NPI:** 1457023616 (Entity type: Organization)
- **Enumerated:** October 5, 2021
- **Primary specialty:** Clinic/Center - Ambulatory Surgical · taxonomy 261QA1903X
- **Also known as:** Kaiser Permanente Lutherville-Timonium Ambulatory Surgery Center (Doing Business As)
- **Organization subpart:** Yes (part of Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc)
- **Authorized official:** Colleen Swinton, CREDENTIALING DIRECTOR
## Practice location
- **Address:** 2391 GREENSPRING DRIVE, Timonium, MD 21093
- **Phone:** (301) 816-2424
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 427 clinicians in 33 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Anesthesiology (64), Obstetrics/Gynecology (62), Emergency Medicine (51); 10 practice within 10 miles; [full list](https://npiprofile.com/npi/1457023616/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1457023616) · Data from the CMS NPPES public registry.