NPPES file of Aug 9, 2026

Maryland Oncology Hematology

Maryland Oncology Hematology holds 42 active organization NPIs in the federal registry, with practice locations in 20 cities in 3 states. 21 list multi-specialty clinic/center as their primary taxonomy; 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

Rockville, MD has the most NPIs, 7

  1. Rockville, MD7
  2. Frederick, MD5
  3. Silver Spring, MD4
  4. Washington, DC2
  5. Annapolis, MD2
  6. Bethesda, MD2
  7. Brandywine, MD2
  8. Columbia, MD2

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

Most NPIs were issued in 2021 and 2024

Maryland Oncology Hematology NPIs by year issued2006: 1, 2007: 1, 2008: 0, 2009: 0, 2010: 0, 2011: 1, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 1, 2021: 11, 2022: 0, 2023: 0, 2024: 20, 2025: 4, 2026: 205101520200620082010201220142016201820202022202420262021: 11201111142
Maryland Oncology Hematology NPIs by year issued2006: 1, 2007: 1, 2008: 0, 2009: 0, 2010: 0, 2011: 1, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 1, 2021: 11, 2022: 0, 2023: 0, 2024: 20, 2025: 4, 2026: 205101520200620082010201220142016201820202022202420262021: 11201111142
Maryland Oncology Hematology NPIs by year issued2006: 1, 2007: 1, 2008: 0, 2009: 0, 2010: 0, 2011: 1, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 1, 2021: 11, 2022: 0, 2023: 0, 2024: 20, 2025: 4, 2026: 20510152020082011201420172020202320262021: 112024: 20

Source: CMS NPPES, enumeration dates.

20 NPIs were issued in 2024 alone, more than in any other year; none in 12 of the years between.

Rockville, MD locations

The city with the most Maryland Oncology Hematology NPIs. The full list of all 42 follows.

NPILocationPrimary taxonomyIssued
11943179419905 MEDICAL CENTER DR STE 200, Rockville, MDClinical PsychologistFeb 3, 2021
17309282849905 MEDICAL CENTER DR STE 300, Rockville, MDMulti-Specialty Clinic/CenterMay 23, 2024
19622414149905 MEDICAL CENTER DR STE 100, Rockville, MDMulti-Specialty Clinic/CenterMay 23, 2024
17208272649905 MEDICAL CENTER DR STE 200, Rockville, MDMulti-Specialty Clinic/CenterMay 23, 2024
17006252589905 MEDICAL CENTER DR STE 330, Rockville, MDMulti-Specialty Clinic/CenterMay 23, 2024
12359793454701 RANDOLPH RD STE 201, Rockville, MDMulti-Specialty Clinic/CenterMay 28, 2024
16996417539715 MEDICAL CENTER DR STE 221, Rockville, MDHematology & Oncology PhysicianOct 15, 2025
All 42 locations, by state and city
NPILocationPrimary taxonomyIssued
12652723711160 VARNUM ST NE STE 318, Washington, DCMulti-Specialty Clinic/CenterMay 28, 2024
16198053222150 PENNSYLVANIA AVE NW, Washington, DCHematology & Oncology PhysicianMay 12, 2026
1235721515810 BESTGATE RD STE 400, Annapolis, MDClinical Social WorkerFeb 8, 2021
1386483741810 BESTGATE RD STE 400, Annapolis, MDMulti-Specialty Clinic/CenterMay 23, 2024
11247930476420 ROCKLEDGE DR STE 4200, Bethesda, MDClinical PsychologistAug 12, 2021
15581009096420 ROCKLEDGE DR STE 4200, Bethesda, MDMulti-Specialty Clinic/CenterMay 23, 2024
14873293147704 MATAPEAKE BUSINESS DR STE 200, Brandywine, MDClinical PsychologistAug 12, 2021
11642615257704 MATAPEAKE BUSINESS DR STE 200, Brandywine, MDMulti-Specialty Clinic/CenterMay 23, 2024
12956003515530 WISCONSIN AVE STE 1640, Chevy Chase, MDHematology & Oncology PhysicianOct 8, 2025
10833899028926 WOODYARD RD STE 101, Clinton, MDClinical PsychologistAug 12, 2021
139671070310710 CHARTER DRIVE SUITE G020, Columbia, MDHematology & Oncology PhysicianFeb 20, 2006
164987936210710 CHARTER DR STE G020, Columbia, MDClinical PsychologistOct 23, 2020
1841039203509 IDLEWILD AVE, Easton, MDMulti-Specialty Clinic/CenterMay 23, 2024
16995171285961 EXCHANGE DR STE 100, Eldersburg, MDMulti-Specialty Clinic/CenterJun 6, 2024
17904507087211 BANK CT STE 150, Frederick, MDClinical PsychologistAug 11, 2021
140752141246B THOMAS JOHNSON DR STE 200, Frederick, MDClinical PsychologistAug 11, 2021
19026460297211 BANK CT STE 150, Frederick, MDMulti-Specialty Clinic/CenterMay 28, 2024
135618148146B THOMAS JOHNSON DR # 200, Frederick, MDMulti-Specialty Clinic/CenterMay 28, 2024
1982558904112 THOMAS JOHNSON DR STE 250, Frederick, MDHematology & Oncology PhysicianFeb 25, 2026
194296433320330 SENECA MEADOWS PKWY # B, Germantown, MDClinical PsychologistOct 22, 2021
142789787520330 SENECA MEADOWS PKWY # B, Germantown, MDMulti-Specialty Clinic/CenterMay 23, 2024
10734919166505 BELCREST RD STE 110, Hyattsville, MDHematology & Oncology PhysicianAug 26, 2025
18914605988116 GOOD LUCK RD STE 100, Lanham, MDClinical PsychologistAug 13, 2021
19521403118116 GOOD LUCK RD STE 100, Lanham, MDMulti-Specialty Clinic/CenterMay 23, 2024
11642657819333 HEALTHCARE WAY SUITE 4100, Largo, MDMulti-Specialty Clinic/CenterJun 13, 2024
18212710327350 VAN DUSEN RD STE 370, Laurel, MDMulti-Specialty Clinic/CenterDec 11, 2007
10339505637140 CONTEE RD STE 3500, Laurel, MDMulti-Specialty Clinic/CenterJun 6, 2024
1649945650205 CENTER ST STE 200, Mount Airy, MDClinical PsychologistAug 11, 2021
1265272595205 CENTER ST STE 200, Mount Airy, MDMulti-Specialty Clinic/CenterMay 24, 2024
128550032218111 PRINCE PHILIP DR STE 327, Olney, MDHematology & Oncology PhysicianOct 15, 2025
11943179419905 MEDICAL CENTER DR STE 200, Rockville, MDClinical PsychologistFeb 3, 2021
17309282849905 MEDICAL CENTER DR STE 300, Rockville, MDMulti-Specialty Clinic/CenterMay 23, 2024
19622414149905 MEDICAL CENTER DR STE 100, Rockville, MDMulti-Specialty Clinic/CenterMay 23, 2024
17208272649905 MEDICAL CENTER DR STE 200, Rockville, MDMulti-Specialty Clinic/CenterMay 23, 2024
17006252589905 MEDICAL CENTER DR STE 330, Rockville, MDMulti-Specialty Clinic/CenterMay 23, 2024
12359793454701 RANDOLPH RD STE 201, Rockville, MDMulti-Specialty Clinic/CenterMay 28, 2024
16996417539715 MEDICAL CENTER DR STE 221, Rockville, MDHematology & Oncology PhysicianOct 15, 2025
133669343112210 PLUM ORCHARD DR SUITE 211, Silver Spring, MDNon-Pharmacy Dispensing SiteAug 8, 2016
140752002611886 HEALING WAY STE 701, Silver Spring, MDPsychologistAug 6, 2021
112486832811886 HEALING WAY STE 101, Silver Spring, MDMulti-Specialty Clinic/CenterMay 28, 2024
179052590511886 HEALING WAY STE 701, Silver Spring, MDMulti-Specialty Clinic/CenterMay 28, 2024
127582789140 V TWIN DR SUITE 104, Gettysburg, PAMedical Oncology PhysicianMay 31, 2011

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 Maryland Oncology Hematology have 42 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Maryland Oncology Hematology's NPIs list practice locations in 20 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.