Karen B. Longo, AUD
Audiologist · Landover, MD
Karen B. Longo, AUD is an audiologist with a practice address in Landover, Maryland, and NPI 1356409023, issued on Dec 5, 2006. Check the license (Maryland 656555, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Karen B. Longo
- Credential
- AUD
- Primary taxonomy
- Audiologist 231H00000X
- License number
- 656555 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Mercantile Lane, Landover, MD 20774
- Phone
- (301) 618-5500
- Enumerated
- Dec 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 618-5716
- Entity
- Type 1 · individual
Also registered at 1221 Mercantile Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michele Bassett, AUDAudiologist1184794935
- Delshawn Rollins, RRTRegistered Respiratory Therapist1528138377
Verify Karen B. Longo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 656555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Audiologist providers in Maryland
There are 519 audiologist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other audiologist records in Maryland
- Rose AbateLargo, MD1245760370
- Sandra AbramowitzBaltimore, MD1083272652
- Arielle Abrams, AUDBaltimore, MD1386269850
- Mikayla Abrams GriffinParkville, MD1538646872
- Mary Adams, AU.D.Chevy Chase, MD1316016843
- Tehila Adler, AU.D.Baltimore, MD1841064052
- Cara Adorntto, C.C.C.Glen Burnie, MD1457360380
- Kendell Adson, AU.D.Columbia, MD1376476945
- Adam Alamillo, AUDChevy Chase, MD1821699414
- Caroline Aland, AUDSeverna Park, MD1922097617
Common questions
What is Karen B. Longo, AUD's NPI number?
Karen B. Longo, AUD's National Provider Identifier (NPI) is 1356409023, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen B. Longo, AUD located?
The NPPES record lists a practice address at 1221 Mercantile Lane, Landover, MD, 20774. Phone: (301) 618-5500. Providers update this record themselves, so call before visiting.
How can I verify Karen B. Longo, AUD's license?
NPPES lists Maryland license number 656555, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.