NPPES file of Aug 9, 2026

Erin Nelli, D.O.

Medical Oncology Physician · Medford, OR

Erin Nelli, D.O. is a medical oncology physician with a practice address in Medford, Oregon, and NPI 1487869129, issued on May 14, 2007. Check the license (Oregon DO161776, as entered in NPPES) on the Oregon Medical Board; 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
1487869129
Name
Erin Nelli
Credential
D.O.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License numbers
DO161776 OR
OP60147824 WA
20A22272 CA
OS 10188 FL
OT010662 PA
Self-reported in NPPES; status is on the state search
Practice location
3011 E Barnett RD, Medford, OR 97504
Phone
(541) 789-4673
Enumerated
May 14, 2007
Record last updated
Feb 19, 2026
Fax
(541) 789-2121
Medicare enrollment
Enrolled (PECOS I20141029000009); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 3011 E Barnett RD

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

  1. Gabrielle Anderson, DNPFamily Nurse Practitioner1346931482
  2. Pragathi Balakrishna, M.D.Hematology & Oncology Physician1295112118
  3. Christopher CrumPhysician Assistant1326237157
  4. Ashish Dwary, MBBSHematology & Oncology Physician1649561473
  5. Matthew Filoon, FNPFamily Nurse Practitioner1043691728
  6. Esther HehnNurse Practitioner1689124547

Verify Erin Nelli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO161776
    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
Open the Oregon 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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9% more Medicare Part D claims than the average medical oncology physician in 2024

768 Medicare Part D claims for 120 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 70 claims were for opioids.

  1. Erin Nelli768
  2. Specialty average703

Most prescribed

  1. Anastrozole62 claims
  2. Prochlorperazine Maleate48 claims
  3. Prednisone41 claims
  4. Revlimid33 claims
  5. Dexamethasone30 claims
  6. Hydroxyurea30 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

  1. St Charles Health System IncBend, OR

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

Erin Nelli among 107 medical oncology physician records in Oregon

Erin Nelli, D.O. is one of 107 medical oncology physician records with a practice address in Oregon. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.

  • NPI issued2007 · 51% of these records are older, 37% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2003 · median 2003 among the 76 with a school on file
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Oregon

There are 107 medical oncology physician records in Oregon.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Dawn Lemanne, MDAshland, OR 975201871550822
  2. Thomas Trezona, MDSpringfield, OR 974771295826014
  3. Michael Oneil, MDRoseburg, OR 974711134103252
  4. Unknown Cherry, MDCoos Bay, OR 974201689659377
  5. Deepika Wali, M.D.Klamath Falls, OR 976011144205295
  6. Benjamin Cho, M.D.Eugene, OR 974011245360759
  7. Joseph Fiorillo, M.D.Eugene, OR 974011427250505
  8. John Fitzharris, M.D.Eugene, OR 974011356447288

Common questions

What is Erin Nelli, D.O.'s NPI number?

Erin Nelli, D.O.'s National Provider Identifier (NPI) is 1487869129, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Erin Nelli, D.O. located?

The NPPES record lists a practice address at 3011 E Barnett RD, Medford, OR, 97504. Phone: (541) 789-4673. Providers update this record themselves, so call before visiting.

How can I verify Erin Nelli, D.O.'s license?

NPPES lists Oregon license number DO161776, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Erin Nelli, D.O. prescribe under Medicare Part D?

In 2024, Erin Nelli, D.O. had 768 Medicare Part D claims for 120 beneficiaries; the average among medical oncology physician prescribers was 703. 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.