Surgery Centers in Maryland

288 Medicare-certified surgery-centers across 80 cities

288

Total Surgery Centers

80

Cities Covered

288

Medicare Certified

4.2 ★

Avg Google Rating

Ambulatory Surgery Centers in Maryland

Maryland has 288 Medicare-certified ambulatory surgery centers (ASCs) across 80 cities and towns. ASCs are outpatient facilities where patients undergo same-day surgical procedures and return home the same day — no overnight hospital stay required. 86 of these centers hold independent accreditation from organizations like AAAHC, AAAASF, or The Joint Commission. 140 centers have CMS CAHPS patient satisfaction survey data available.

The largest concentration of ASCs in Maryland is in Annapolis, with 17 centers. Use the city listings below to browse centers near you, or search by zip code for the closest options.

Browse by City in Maryland

Annapolis

17 surgery-centers

Baltimore

17 surgery-centers

Frederick

16 surgery-centers

Rockville

15 surgery-centers

Bethesda

12 surgery-centers

Silver Spring

10 surgery-centers

Bel Air

9 surgery-centers

Chevy Chase

9 surgery-centers

Columbia

9 surgery-centers

Hagerstown

9 surgery-centers

Salisbury

9 surgery-centers

Towson

8 surgery-centers

Westminster

8 surgery-centers

Lutherville

7 surgery-centers

Oxon Hill

6 surgery-centers

Prince Frederick

6 surgery-centers

Timonium

6 surgery-centers

Easton

5 surgery-centers

Glen Burnie

5 surgery-centers

Greenbelt

5 surgery-centers

Owings Mills

5 surgery-centers

Cumberland

4 surgery-centers

Gaithersburg

4 surgery-centers

Germantown

4 surgery-centers

Waldorf

4 surgery-centers

Elkridge

3 surgery-centers

Elkton

3 surgery-centers

Ellicott City

3 surgery-centers

La Plata

3 surgery-centers

Laurel

3 surgery-centers

Nottingham

3 surgery-centers

Berlin

2 surgery-centers

Bowie

2 surgery-centers

Brandywine

2 surgery-centers

Clinton

2 surgery-centers

Hyattsville

2 surgery-centers

Lanham

2 surgery-centers

Largo

2 surgery-centers

Lutherville Timonium

2 surgery-centers

North Bethesda

2 surgery-centers

Olney

2 surgery-centers

Pasadena

2 surgery-centers

Aberdeen

1 surgery-center

Abingdon

1 surgery-center

Arnold

1 surgery-center

Beltsville

1 surgery-center

Cambridge

1 surgery-center

Catonsville

1 surgery-center

Catonville

1 surgery-center

Dundalk

1 surgery-center

Forest Hill

1 surgery-center

Fulton

1 surgery-center

Gambrills

1 surgery-center

Glenn Dale

1 surgery-center

Halethorpe

1 surgery-center

Hanover

1 surgery-center

Havre De Grace

1 surgery-center

Hollywood

1 surgery-center

Hunt Valley

1 surgery-center

Ijamsville

1 surgery-center

Kensington

1 surgery-center

Landover

1 surgery-center

Leonardtown

1 surgery-center

Linthicum

1 surgery-center

Mechanicsville

1 surgery-center

Mount Airy

1 surgery-center

National Harbor

1 surgery-center

Odenton

1 surgery-center

Perry Hall

1 surgery-center

Pikesville

1 surgery-center

Point Of Rocks

1 surgery-center

Riverdale

1 surgery-center

Rosedale

1 surgery-center

Severna Park

1 surgery-center

Stevensville

1 surgery-center

Temple Hills

1 surgery-center

Townson

1 surgery-center

White Marsh

1 surgery-center

White Plains

1 surgery-center

Williamsport

1 surgery-center

Frequently Asked Questions

How many ambulatory surgery centers are in Maryland?

Maryland has 288 Medicare-certified ambulatory surgery centers (ASCs) across 80 cities. ASCs perform same-day outpatient surgical procedures without an overnight hospital stay.

Does Medicare cover outpatient surgery at ASCs in Maryland?

Yes — Medicare Part B covers approved surgical procedures performed at Medicare-certified ASCs. You typically pay 20% of the Medicare-approved amount after meeting your Part B deductible. All 288 centers listed here are Medicare-certified. Contact individual facilities to confirm which specific procedures they perform and whether your insurance is accepted.

What is the difference between an ASC and a hospital outpatient department?

Ambulatory surgery centers are independent facilities focused exclusively on outpatient surgery. Compared to hospital outpatient departments, ASCs typically have lower patient cost-sharing (due to CMS payment rules), shorter wait times, and a more focused care environment. Studies show ASC patients also report high satisfaction and low complication rates.

How do I compare ASC quality in Maryland?

This directory shows CMS CAHPS patient satisfaction scores (0–100 scale), Google ratings, accreditation status (AAAHC, AAAASF, Joint Commission), and safety metrics like hospital transfer rate and safe surgery checklist compliance. The average Google rating across rated ASCs in Maryland is 4.2 out of 5.

What surgical specialties are available at ASCs in Maryland?

ASCs in Maryland perform procedures across many specialties including ophthalmology, gastroenterology, orthopedics, ENT, urology, pain management, and more. Use the specialty filter on the search page or browse the Procedures directory to find centers offering specific procedures.