Mark D. Harrison, ACA,NBC-HIS
Hearing Instrument Specialist · Easton, MD
Mark D. Harrison, ACA,NBC-HIS is a hearing instrument specialist with a practice address in Easton, Maryland, and NPI 1730384710, issued on Jun 19, 2007. Check the license (Maryland 654316, 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
- Mark D. Harrison
- Credential
- ACA,NBC-HIS
- Primary taxonomy
- Hearing Instrument Specialist 237700000X
- License number
- 654316 MD
Self-reported in NPPES; status is on the state search - Practice location
- 18 N Hanson St, Easton, MD 21601
- Phone
- (410) 822-1070
- Enumerated
- Jun 19, 2007
- Record last updated
- Jul 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 822-7780
- Entity
- Type 1 · individual
Also registered at 18 N Hanson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Koprowski, PH.D.Psychologist1023037728
Verify Mark D. Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 654316Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Hearing Instrument Specialist providers in Maryland
There are 85 hearing instrument specialist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other hearing instrument specialist records in Maryland
- Brandon Adawi, H.A.D.Frederick, MD1669924411
- Allison Adkins, BASalisbury, MD1992034375
- Timothy Aland, HADSeverna Park, MD1912254525
- Lina Barreneche, IHSEllicott City, MD1093156135
- David BassiriTimonium, MD1275934531
- James Bauman, HISSalisbury, MD1063678951
- Jaime BiggsElkton, MD1396082749
- Shanika BlandonRockville, MD1154721934
- Richard BrisbaneKensington, MD1528422128
- Dustin BurrellColumbia, MD1376239319
Common questions
What is Mark D. Harrison, ACA,NBC-HIS's NPI number?
Mark D. Harrison, ACA,NBC-HIS's National Provider Identifier (NPI) is 1730384710, issued on Jun 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark D. Harrison, ACA,NBC-HIS located?
The NPPES record lists a practice address at 18 N Hanson St, Easton, MD, 21601. Phone: (410) 822-1070. Providers update this record themselves, so call before visiting.
How can I verify Mark D. Harrison, ACA,NBC-HIS's license?
NPPES lists Maryland license number 654316, 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.