NPPES file of Aug 9, 2026

Tawnne Oconnor, FNP

Family Nurse Practitioner · Washington, DC

Tawnne Oconnor, FNP is a family nurse practitioner with a practice address in Washington, District of Columbia, and NPI 1619511565, issued on Nov 4, 2019. Check the license (District of Columbia 1054473, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619511565
Name
Tawnne Oconnor
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
1054473 DC
Self-reported in NPPES; status is on the state search
Practice location
1501 M St NW Ste 450, Washington, DC 20005
Phone
(888) 663-6331
Enumerated
Nov 4, 2019
Record last updated
Mar 17, 2025
Fax
(415) 252-7176
Medicare enrollment
Enrolled (PECOS I20200204001051); 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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Also registered at 1501 M St NW Ste 450

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

  1. Emilia Coll, FNP-CFamily Nurse Practitioner1255701272
  2. Allison Coulter, M.D.Family Medicine Physician1942640503
  3. John Curtin, P.A.Physician Assistant1255426680
  4. Ellen Dinerman Bin-Nun, M.DInternal Medicine Physician1477967958
  5. Ariel Frank, FNP-BC, MSN, R.N.Family Nurse Practitioner1710360755
  6. Daphne Gellerson, M.D.Internal Medicine Physician1669834107

Verify Tawnne Oconnor 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 1054473
    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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97% fewer Medicare Part D claims than the average family nurse practitioner in 2024

37 Medicare Part D claims for 16 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Tawnne Oconnor37
  2. Specialty average1,305

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

  1. One Medstar Primary Care LLCWashington, DC

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

Tawnne Oconnor among 682 family nurse practitioner records in District of Columbia

Tawnne Oconnor, FNP is one of 682 family nurse practitioner records with a practice address in District of Columbia. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 60% of them.

  • NPI issued2019 · 60% of these records are older, 33% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2019 · median 2019 among the 311 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X 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).

675 family nurse practitioner records list a practice address in Washington

They are 675 of the 45,857 NPPES records with a practice address in Washington, and 682 family nurse practitioner records in District of Columbia.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sufyan BinmahfoozWashington, DC 200051558070607
  2. Kayla Bridgewater, APRNWashington, DC 200051447910054
  3. Megan Honor CaineWashington, DC 200051326447525
  4. Rochelle Castro Galick, FNPWashington, DC 200051992377527
  5. Timothy ClausWashington, DC 200051720529266
  6. Emilia Coll, FNP-CWashington, DC 200051255701272
  7. Teneille Darlington, NPWashington, DC 200051043083900
  8. Ariel Frank, FNP-BC, MSN, R.N.Washington, DC 200051710360755

Common questions

What is Tawnne Oconnor, FNP's NPI number?

Tawnne Oconnor, FNP's National Provider Identifier (NPI) is 1619511565, issued on Nov 4, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Tawnne Oconnor, FNP located?

The NPPES record lists a practice address at 1501 M St NW Ste 450, Washington, DC, 20005. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.

How can I verify Tawnne Oconnor, FNP's license?

NPPES lists District of Columbia license number 1054473, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.

How much does Tawnne Oconnor, FNP prescribe under Medicare Part D?

In 2024, Tawnne Oconnor, FNP had 37 Medicare Part D claims for 16 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.