Mark Howard Terris, MD
Otolaryngology Physician · Largo, MD
Mark Howard Terris, MD is an otolaryngology physician with a practice address in Largo, Maryland, and NPI 1073673505, issued on Dec 12, 2006. Check the license (Maryland D0047366, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mark Howard Terris
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- D0047366 MD
MD21307 DC
0101052267 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Mercantile Lane, Largo, MD 20774
- Phone
- (301) 618-5500
- Enumerated
- Dec 12, 2006
- Record last updated
- Jan 19, 2022
- Medicare enrollment
- Enrolled (PECOS I20100325000542); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 257 in Maryland → Look up another NPI →
Also registered at 1221 Mercantile Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marie Eason, M.D.Diagnostic Radiology Physician1275664526
Verify Mark Howard Terris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0047366Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average otolaryngology physician in 2024
107 Medicare Part D claims for 60 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Howard Terris among 257 otolaryngology physician records in Maryland
Mark Howard Terris, MD is one of 257 otolaryngology physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 48% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1989 · median 2004 among the 166 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Maryland
There are 257 otolaryngology physician records in Maryland.
All 257 in Maryland → Every provider in Largo → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Elena Daniel, MDLargo, MD 207741497813448
- Jeffrey Glicksman, M.D.Upper Marlboro, MD 207741043674708
- Leslie Nurse, M.D.Upper Marlboro, MD 207741366619231
- Perry Alexion, MDGreenbelt, MD 207701518033786
- Michael Damiano, MDGreenbelt, MD 207701801969753
- Atur Patel, MDGreenbelt, MD 207701689036683
- Wu Liu, MDTemple Hills, MD 207481457467268
- Henry Yu, M.D., D.M.D., PH.D.Marlow Heights, MD 207481225035009
Common questions
What is Mark Howard Terris, MD's NPI number?
Mark Howard Terris, MD's National Provider Identifier (NPI) is 1073673505, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Howard Terris, MD located?
The NPPES record lists a practice address at 1221 Mercantile Lane, Largo, MD, 20774. Phone: (301) 618-5500. Providers update this record themselves, so call before visiting.
How can I verify Mark Howard Terris, MD's license?
NPPES lists Maryland license number D0047366, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Howard Terris, MD prescribe under Medicare Part D?
In 2024, Mark Howard Terris, MD had 107 Medicare Part D claims for 60 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.