# CLIA laboratories in Maryland — CLIA number lookup by city, certificate and facility type > 5,105 laboratories hold an active CLIA certificate in Maryland. Look one up by name or CLIA number, or browse by city. ## CLIA laboratories in Maryland 5,105 laboratories hold an active CLIA certificate in Maryland in the CMS file for Q2 2026 (latest record: Jun 29, 2026). Credentialing a laboratory, checking a claim or a contract? A [dated CLIA certificate report ($19)](/report.md) — or [a whole list checked at once](/pro.md). ### By certificate type | Certificate | Active laboratories | |---|---| | [Certificate of Waiver](/certificate/waiver.md) | 4,034 | | [Certificate for Provider-Performed Microscopy (PPM)](/certificate/ppm.md) | 543 | | [Certificate of Compliance](/certificate/compliance.md) | 262 | | [Certificate of Accreditation](/certificate/accreditation.md) | 220 | | [Certificate of Registration](/certificate/registration.md) | 46 | ### By facility type | Facility type | Active laboratories | |---|---| | [Physician Office](/type/physician-office.md) | 2,338 | | [Other](/type/other.md) | 655 | | [Pharmacy](/type/pharmacy.md) | 367 | | [Ambulatory Surgery Center](/type/ambulatory-surgery-center.md) | 256 | | [Skilled Nursing/Nursing Facility](/type/skilled-nursing-nursing-facility.md) | 205 | | [Assisted Living Facility](/type/assisted-living-facility.md) | 193 | | [Other Practitioner](/type/other-practitioner.md) | 171 | | [End Stage Renal Disease Dialysis](/type/end-stage-renal-disease-dialysis.md) | 165 | | [Community Clinic](/type/community-clinic.md) | 141 | | [Independent Laboratory](/type/independent-laboratory.md) | 119 | | [Hospital](/type/hospital.md) | 84 | | [School/Student Health Service](/type/school-student-health-service.md) | 73 | | [Home Health Agency](/type/home-health-agency.md) | 62 | | [Ambulance](/type/ambulance.md) | 42 | | [Ancillary Test Site](/type/ancillary-test-site.md) | 38 | | [Mobile Lab](/type/mobile-lab.md) | 37 | | [Federally Qualified Health Center](/type/federally-qualified-health-center.md) | 32 | | [Comprehensive Outpatient Rehab](/type/comprehensive-outpatient-rehab.md) | 23 | | [Hospice](/type/hospice.md) | 22 | | [Public Health Laboratory](/type/public-health-laboratory.md) | 22 | | [Industrial](/type/industrial.md) | 18 | | [Health Maintenance Organization](/type/health-maintenance-organization.md) | 13 | | [Prison](/type/prison.md) | 12 | | [Rural Health Clinic](/type/rural-health-clinic.md) | 6 | | [Health Fair](/type/health-fair.md) | 4 | | [Intermediate Care Facility/Individuals with Intellectual Disabilities](/type/intermediate-care-facility-individuals-with-intellectual-disabilities.md) | 3 | | [Blood Bank](/type/blood-bank.md) | 3 | | [Tissue Bank/Repository](/type/tissue-bank-repository.md) | 1 | ### By city - [Aberdeen](/state/maryland/aberdeen.md) — 20 - [Annapolis](/state/maryland/annapolis.md) — 133 - [Arnold](/state/maryland/arnold.md) — 17 - [Baltimore](/state/maryland/baltimore.md) — 650 - [Bel Air](/state/maryland/bel-air.md) — 78 - [Beltsville](/state/maryland/beltsville.md) — 16 - [Berlin](/state/maryland/berlin.md) — 28 - [Bethesda](/state/maryland/bethesda.md) — 109 - [Bowie](/state/maryland/bowie.md) — 72 - [Brandywine](/state/maryland/brandywine.md) — 12 - [California](/state/maryland/california.md) — 13 - [Cambridge](/state/maryland/cambridge.md) — 26 - [Camp Springs](/state/maryland/camp-springs.md) — 10 - [Capitol Heights](/state/maryland/capitol-heights.md) — 14 - [Catonsville](/state/maryland/catonsville.md) — 41 - [Centreville](/state/maryland/centreville.md) — 12 - [Chester](/state/maryland/chester.md) — 10 - [Chestertown](/state/maryland/chestertown.md) — 28 - [Chevy Chase](/state/maryland/chevy-chase.md) — 49 - [Clinton](/state/maryland/clinton.md) — 29 - [Cockeysville](/state/maryland/cockeysville.md) — 15 - [College Park](/state/maryland/college-park.md) — 13 - [Columbia](/state/maryland/columbia.md) — 147 - [Crofton](/state/maryland/crofton.md) — 15 - [Crownsville](/state/maryland/crownsville.md) — 11 - [Cumberland](/state/maryland/cumberland.md) — 55 - [Denton](/state/maryland/denton.md) — 14 - [Dundalk](/state/maryland/dundalk.md) — 25 - [Dunkirk](/state/maryland/dunkirk.md) — 12 - [Easton](/state/maryland/easton.md) — 58 - [Edgewater](/state/maryland/edgewater.md) — 18 - [Eldersburg](/state/maryland/eldersburg.md) — 22 - [Elkridge](/state/maryland/elkridge.md) — 23 - [Elkton](/state/maryland/elkton.md) — 58 - [Ellicott City](/state/maryland/ellicott-city.md) — 41 - [Forest Hill](/state/maryland/forest-hill.md) — 15 - [Fort Washington](/state/maryland/fort-washington.md) — 20 - [Frederick](/state/maryland/frederick.md) — 192 - [Fulton](/state/maryland/fulton.md) — 13 - [Gaithersburg](/state/maryland/gaithersburg.md) — 103 - [Gambrills](/state/maryland/gambrills.md) — 16 - [Germantown](/state/maryland/germantown.md) — 73 - [Glen Burnie](/state/maryland/glen-burnie.md) — 100 - [Glenn Dale](/state/maryland/glenn-dale.md) — 10 - [Greenbelt](/state/maryland/greenbelt.md) — 58 - [Hagerstown](/state/maryland/hagerstown.md) — 129 - [Hampstead](/state/maryland/hampstead.md) — 10 - [Hanover](/state/maryland/hanover.md) — 18 - [Havre De Grace](/state/maryland/havre-de-grace.md) — 21 - [Hunt Valley](/state/maryland/hunt-valley.md) — 13 - [Hyattsville](/state/maryland/hyattsville.md) — 41 - [Kensington](/state/maryland/kensington.md) — 11 - [La Plata](/state/maryland/la-plata.md) — 23 - [Lanham](/state/maryland/lanham.md) — 42 - [Laplata](/state/maryland/laplata.md) — 12 - [Largo](/state/maryland/largo.md) — 26 - [Laurel](/state/maryland/laurel.md) — 71 - [Leonardtown](/state/maryland/leonardtown.md) — 27 - [Lutherville](/state/maryland/lutherville.md) — 52 - [Millersville](/state/maryland/millersville.md) — 11 - [Mount Airy](/state/maryland/mount-airy.md) — 18 - [North Bethesda](/state/maryland/north-bethesda.md) — 10 - [Nottingham](/state/maryland/nottingham.md) — 25 - [Oakland](/state/maryland/oakland.md) — 26 - [Odenton](/state/maryland/odenton.md) — 24 - [Olney](/state/maryland/olney.md) — 35 - [Owings Mills](/state/maryland/owings-mills.md) — 55 - [Oxon Hill](/state/maryland/oxon-hill.md) — 37 - [Parkville](/state/maryland/parkville.md) — 14 - [Pasadena](/state/maryland/pasadena.md) — 36 - [Pikesville](/state/maryland/pikesville.md) — 24 - [Potomac](/state/maryland/potomac.md) — 19 - [Prince Frederick](/state/maryland/prince-frederick.md) — 37 - [Princess Anne](/state/maryland/princess-anne.md) — 10 - [Randallstown](/state/maryland/randallstown.md) — 22 - [Reisterstown](/state/maryland/reisterstown.md) — 16 - [Riverdale](/state/maryland/riverdale.md) — 10 - [Rockville](/state/maryland/rockville.md) — 212 - [Rosedale](/state/maryland/rosedale.md) — 22 - [Salisbury](/state/maryland/salisbury.md) — 105 - [Severna Park](/state/maryland/severna-park.md) — 23 - [Silver Spring](/state/maryland/silver-spring.md) — 166 - [Sykesville](/state/maryland/sykesville.md) — 11 - [Takoma Park](/state/maryland/takoma-park.md) — 15 - [Timonium](/state/maryland/timonium.md) — 26 - [Towson](/state/maryland/towson.md) — 97 - [Upper Marlboro](/state/maryland/upper-marlboro.md) — 26 - [Waldorf](/state/maryland/waldorf.md) — 61 - [Westminster](/state/maryland/westminster.md) — 73 - [Wheaton](/state/maryland/wheaton.md) — 18 - [White Plains](/state/maryland/white-plains.md) — 18 - [Windsor Mill](/state/maryland/windsor-mill.md) — 16 [Smaller places of Maryland](/state/maryland/other-places.md) — 511 laboratories. City counts are the laboratories listed on this site; 286 more in Maryland carry only a person's name and are found by search. **For owners and managers: does your organization have 30 to 200 employees?** AI labs pay companies to license their internal workflows (SOPs, documentation, support tickets), anonymized and under contract — never patient data. You keep ownership and pay nothing. **Describe your company in 2 minutes →** Offered by Registres, an independent data gateway. Not affiliated with CMS or any government agency. --- Página: https://clia-laboratory-records.pages.dev/state/maryland/ Fonte: https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/provider-of-services-file-clinical-laboratories Recolha: 2026-06-29