NPPES file of Aug 9, 2026

Mary Ellen Rose Hannan

Acute Care Nurse Practitioner · Washington, DC

Mary Ellen Rose Hannan is an acute care nurse practitioner with a practice address in Washington, District of Columbia, and NPI 1508565177, issued on Mar 2, 2023. Check the license (District of Columbia NP1041434, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508565177
Name
Mary Ellen Rose Hannan
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License numbers
NP1041434 DC
R240407 MD
Self-reported in NPPES; status is on the state search
Practice location
110 Irving St NW, Washington, DC 20010
Phone
(202) 877-7000
Enumerated
Mar 2, 2023
Record last updated
Sep 1, 2023
Medicare enrollment
Enrolled (PECOS I20231115003180); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest acute care nurse practitioner records → All 164 in District of Columbia → Look up another NPI →

Also registered at 110 Irving St NW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Margarita Abbey, NPNurse Practitioner1841245487
  2. Lauren Abbott, M.D.Emergency Medicine Physician1356576383
  3. Taha Abdalla, MDNeonatal-Perinatal Medicine Physician1225016587
  4. Mouin Abdallah, MDCardiovascular Disease Physician1063498780
  5. Waseem Abdallah, M.D.Psychiatry Physician1265961452
  6. Samer Abdel Al, MDOrthopaedic Surgery Physician1558778548

Verify Mary Ellen Rose Hannan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
    Search for license NP1041434    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Medstar Medical Group II LLCWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Ellen Rose Hannan among 164 acute care nurse practitioner records in District of Columbia

Mary Ellen Rose Hannan is one of 164 acute care nurse practitioner records with a practice address in District of Columbia. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 79% of them.

  • NPI issued2023 · 79% of these records are older, 15% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2023 · median 2019 among the 107 with a school on file
  • Record last updated2023 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in District of Columbia

There are 164 acute care nurse practitioner records in District of Columbia.

All 164 in District of Columbia → Every provider in Washington → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Bimbola Akintade, MS RN ACNPWashington, DC 200101053344598
  2. Elizabeth Brock, NPWashington, DC 200101841381795
  3. Adele Brooks, NPWashington, DC 200101932147766
  4. Jean Brosnan, NPWashington, DC 200101750502340
  5. Janeen Constantine, NPWashington, DC 200101720198302
  6. Lyn Hopkinson, NPWashington, DC 200101013962471
  7. Janet Jumper, N.P.Washington, DC 200101003033952
  8. Anna Lisa Licud, ACNPWashington, DC 200101427197888

Common questions

What is Mary Ellen Rose Hannan's NPI number?

Mary Ellen Rose Hannan's National Provider Identifier (NPI) is 1508565177, issued on Mar 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mary Ellen Rose Hannan located?

The NPPES record lists a practice address at 110 Irving St NW, Washington, DC, 20010. Phone: (202) 877-7000. Providers update this record themselves, so call before visiting.

How can I verify Mary Ellen Rose Hannan's license?

NPPES lists District of Columbia license number NP1041434, as entered by the provider. Search the District of Columbia 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.