Registry data as of Aug 27, 2026

Matclinic Physicians Practice Group

Matclinic Physicians Practice Group holds 35 active organization NPIs in the federal registry, with practice locations in 8 Maryland cities. Each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Dundalk has the most NPIs, 6

  1. Dundalk6
  2. Towson6
  3. Annapolis5
  4. Laurel5
  5. Salisbury4
  6. Hagerstown3
  7. Havre De Grace3
  8. Westminster3

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2019 and 2021

Matclinic Physicians Practice Group NPIs by year issued2016: 1, 2017: 0, 2018: 3, 2019: 14, 2020: 4, 2021: 12, 2022: 0, 2023: 0, 2024: 105101520162017201820192020202120222023202414121341
Matclinic Physicians Practice Group NPIs by year issued2016: 1, 2017: 0, 2018: 3, 2019: 14, 2020: 4, 2021: 12, 2022: 0, 2023: 0, 2024: 105101520162017201820192020202120222023202414121341
Matclinic Physicians Practice Group NPIs by year issued2016: 1, 2017: 0, 2018: 3, 2019: 14, 2020: 4, 2021: 12, 2022: 0, 2023: 0, 2024: 105101520162017201820192020202120222023202414121341

Source: CMS NPPES, enumeration dates.

14 NPIs were issued in 2019 alone, more than in any other year; none in 3 of the years between.

Dundalk locations

The city with the most Matclinic Physicians Practice Group NPIs. The full list of all 35 follows.

NPILocationPrimary taxonomyIssued
110437529440 S DUNDALK AVE STE 400, DundalkAddiction Medicine (Internal Medicine) PhysicianSep 29, 2016
106390498540 S DUNDALK AVE STE 400, DundalkClinical Medical LaboratoryJun 6, 2018
180144836040 S DUNDALK AVE STE 400, DundalkAddiction (Substance Use Disorder) CounselorJul 15, 2019
176003187640 S DUNDALK AVE STE 400, DundalkSubstance Use Disorder Rehabilitation Clinic/CenterSep 11, 2019
172063774740 S DUNDALK AVE STE 400, DundalkCommunity/Behavioral Health AgencySep 11, 2019
133675907540 S DUNDALK AVE STE 400, DundalkMental Health Clinic/Center (Including Community Mental Health Center)Aug 7, 2020
All 35 locations, by city
NPILocationPrimary taxonomyIssued
1356801534107 RIDGELY AVE STE 12, AnnapolisAddiction Medicine (Internal Medicine) PhysicianMar 22, 2019
1174175632107 RIDGELY AVE STE 12, AnnapolisAddiction (Substance Use Disorder) CounselorJul 15, 2019
1821647934107 RIDGELY AVE STE 12, AnnapolisSubstance Use Disorder Rehabilitation Clinic/CenterSep 11, 2019
1841840808107 RIDGELY AVE STE 12, AnnapolisCommunity/Behavioral Health AgencySep 12, 2019
1316557051107 RIDGELY AVE STE 12, AnnapolisMental Health Clinic/Center (Including Community Mental Health Center)Aug 7, 2020
110437529440 S DUNDALK AVE STE 400, DundalkAddiction Medicine (Internal Medicine) PhysicianSep 29, 2016
106390498540 S DUNDALK AVE STE 400, DundalkClinical Medical LaboratoryJun 6, 2018
180144836040 S DUNDALK AVE STE 400, DundalkAddiction (Substance Use Disorder) CounselorJul 15, 2019
176003187640 S DUNDALK AVE STE 400, DundalkSubstance Use Disorder Rehabilitation Clinic/CenterSep 11, 2019
172063774740 S DUNDALK AVE STE 400, DundalkCommunity/Behavioral Health AgencySep 11, 2019
133675907540 S DUNDALK AVE STE 400, DundalkMental Health Clinic/Center (Including Community Mental Health Center)Aug 7, 2020
15983356711101 OPAL CT STE 301, HagerstownAddiction Medicine (Internal Medicine) PhysicianJun 30, 2021
14973255001101 OPAL CT STE 301, HagerstownMental Health Clinic/Center (Including Community Mental Health Center)Jun 30, 2021
12458003581101 OPAL CT STE 301, HagerstownSubstance Use Disorder Rehabilitation Clinic/CenterJun 30, 2021
1023607991253 LEWIS LN STE 201, Havre De GraceAddiction Medicine (Internal Medicine) PhysicianJan 14, 2021
1538759972253 LEWIS LN STE 201, Havre De GraceSubstance Use Disorder Rehabilitation Clinic/CenterJan 20, 2021
1083204424253 LEWIS LN STE 201, Havre De GraceMental Health Clinic/Center (Including Community Mental Health Center)Jan 20, 2021
1194217091601 7TH ST STE 304, LaurelAddiction Medicine (Internal Medicine) PhysicianJun 6, 2018
1265084727601 7TH ST STE 304, LaurelAddiction (Substance Use Disorder) CounselorJul 15, 2019
1750930863601 7TH ST STE 304, LaurelSubstance Use Disorder Rehabilitation Clinic/CenterSep 11, 2019
1447809462601 7TH ST STE 304, LaurelCommunity/Behavioral Health AgencySep 11, 2019
1417567157601 7TH ST STE 304, LaurelMental Health Clinic/Center (Including Community Mental Health Center)Aug 7, 2020
1225608391659 S SALISBURY BLVD STE 4, SalisburyAddiction Medicine (Internal Medicine) PhysicianJun 30, 2021
1891365995659 S SALISBURY BLVD STE 4, SalisburySubstance Use Disorder Rehabilitation Clinic/CenterJun 30, 2021
1407426513659 S SALISBURY BLVD STE 4, SalisburyMental Health Clinic/Center (Including Community Mental Health Center)Jun 30, 2021
1275380354659 S SALISBURY BLVD STE 4, SalisburyPeer SpecialistMay 6, 2024
12952271977801 YORK RD STE 300, TowsonInternal Medicine PhysicianJun 6, 2018
154882581340 YORK RD STE 201, TowsonAddiction Medicine (Internal Medicine) PhysicianMay 2, 2019
152861008640 YORK RD STE 201, TowsonAddiction (Substance Use Disorder) CounselorJul 15, 2019
154881965940 YORK RD STE 201, TowsonSubstance Use Disorder Rehabilitation Clinic/CenterSep 11, 2019
166902262040 YORK RD STE 201, TowsonCommunity/Behavioral Health AgencySep 12, 2019
169938533640 YORK RD STE 201, TowsonMental Health Clinic/Center (Including Community Mental Health Center)Aug 7, 2020
1316517485531 OLD WESTMINSTER PIKE STE 102, WestminsterAddiction Medicine (Internal Medicine) PhysicianJun 30, 2021
1770153884531 OLD WESTMINSTER PIKE STE 102, WestminsterMental Health Clinic/Center (Including Community Mental Health Center)Jun 30, 2021
1972173086531 OLD WESTMINSTER PIKE STE 102, WestminsterSubstance Use Disorder Rehabilitation Clinic/CenterJun 30, 2021

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Matclinic Physicians Practice Group have 35 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Matclinic Physicians Practice Group's NPIs list practice locations in 8 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.