KAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES, INC
NPI 1497023188
Clinic/Center - Ambulatory Surgical in Gaithersburg, MD

Active since December 08, 2011
655 WATKINS MILL RD, GAITHERSBURG, MD 20879(240) 632-4150(240) 632-4151 Get Directions Write a Review

NPPES record last updated: July 24, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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 1497023188), doing business as Kaiser Permanente Gaithersburg Medical Center Ambulatory Surgery Ctr, is a healthcare organization registered as an ambulatory surgical in Gaithersburg, Maryland and active in the NPI registry since December 2011. The organization lists Colleen E Swinton, Credentialing Director, as its authorized official.

NPPES Registry Identity

NPI1497023188
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameKAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES, INC
Location Address655 WATKINS MILL RDGaithersburg, MD 20879-3323
Mailing Address4000 Garden City DrHyattsville, MD 20785-2418 · (301) 816-2424
Fax(240) 632-4151
Organization SubpartYes
Authorized OfficialColleen E SwintonCredentialing Director · (301) 257-2797
Enumeration DateDecember 8, 2011
Last NPPES UpdateJuly 24, 2025
NPPES CertifiedJuly 24, 2025
✔ NPI 1497023188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
655 WATKINS MILL RD, Gaithersburg, MD 20879

Other Names 1

Doing Business AsKaiser Permanente Gaithersburg Medical Center Ambulatory Surgery Ctr

Other Identifiers 1

Other410092MD · Medicare Group Id

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

728

Medicare enrollment records show 728 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, 21 practice at this address and 50 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 35

Obstetrics/Gynecology143
Anesthesiology133
Internal Medicine69
Emergency Medicine53
Ophthalmology45
Orthopedic Surgery36
General Surgery33
Otolaryngology25
27 other specialties191

Nearest to this location (20)

See all 728
Emergency Medicine
NPI 1881639243
655 WATKINS MILL RD
Gaithersburg, MD 20879
(202) 374-8819
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1669578597
655 WATKINS MILL RD
Gaithersburg, MD 20879
(703) 359-7878
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1245972413
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 306-5408
✔ PECOS✔ Accepts MedicareSame address
Podiatry
NPI 1528388824
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 632-4325
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1164659702
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 632-4000
✔ PECOS✔ Accepts MedicareSame address
General Surgery
NPI 1447303458
655 WATKINS MILL RD FL 6
Gaithersburg, MD 20879
(240) 632-4475
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1700045242
655 WATKINS MILL RD KAISER PERMANENTE GAITHERSBURG MEDICAL CENTER
Gaithersburg, MD 20879
(240) 632-4000
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1306007331
655 WATKINS MILL RD KAISER PERMANENTE GAITHERSBURG MEDICAL CENTER
Gaithersburg, MD 20879
(240) 632-4000
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1184087215
655 WATKINS MILL RD
Gaithersburg, MD 20879
(650) 723-6661
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1063573533
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 632-4000
✔ PECOS✔ Accepts MedicareSame address
Orthopedic Surgery
NPI 1164486510
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 632-4375
✔ PECOS✔ Accepts MedicareSame address
Urology
NPI 1457545477
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 632-4400
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1932349362
655 WATKINS MILL RD KAISER PERMANENTE GAITHERSBURG MEDICAL CENTER
Gaithersburg, MD 20879
(240) 632-4000
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1477189322
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 421-8520
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1982915559
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 632-4000
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1376777342
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 632-4000
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1447695622
655 WATKINS MILL RD
Gaithersburg, MD 20879
(202) 741-3000
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1114555653
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 813-8740
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1144856287
655 WATKINS MILL RD
Gaithersburg, MD 20879
(240) 632-4000
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1770783342
655 WATKINS MILL RD
Gaithersburg, MD 20879
(301) 609-2494
✔ PECOS✔ Accepts MedicareSame address
See all 728 clinicians

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 1497023188. It was assigned to this organization in the NPPES registry on December 8, 2011. The provider is doing business as Kaiser Permanente Gaithersburg Medical Center Ambulatory Surgery Ctr.

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 655 Watkins Mill Rd, Gaithersburg, MD 20879. The listed phone number is (240) 632-4150.

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), 728 clinicians in 35 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 Obstetrics/Gynecology (143), Anesthesiology (133) and Internal Medicine (69). Of these, 21 practice at this address and 50 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.