Registry data as of Aug 27, 2026

Martha Nelson, MD

Neonatal-Perinatal Medicine Physician · Portland, OR

Martha Nelson, MD is a neonatal-perinatal medicine physician with a practice address in Portland, Oregon, and NPI 1285742098, issued on Aug 29, 2006. Check the license on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1285742098
Name
Martha Nelson
Credential
MD
Primary taxonomy
Neonatal-Perinatal Medicine Physician 2080N0001X
Practice location
501 N Graham St, Portland, OR 97227
Phone
(503) 282-7002
Enumerated
Aug 29, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 501 N Graham St

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

  1. Christopher Achterman, MDOrthopaedic Surgery Physician1811966518
  2. Halah AlameriPharmacist1922810654
  3. Jeremy AlperPharmacist1093172702
  4. Peter Auerbach, MDPediatric Emergency Medicine (Emergency Medicine) Physician1255339289
  5. Charles Baker, M.D.Neonatal-Perinatal Medicine Physician1144345463
  6. Erica BallardMedical Physician Assistant1932542503

Verify Martha Nelson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical BoardCheck 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.

Neonatal-Perinatal Medicine Physician providers in Oregon

There are 58 neonatal-perinatal medicine physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other neonatal-perinatal medicine physician records in Oregon

  1. Jodee Anderson, MDPortland, OR1699862649
  2. Aryan Azimi-Zonooz, M.D.Bend, OR1124190657
  3. Charles Baker, M.D.Portland, OR1144345463
  4. Louise Baxter, M.D.Portland, OR1609984632
  5. Rebecca Bent, M.D.Springfield, OR1649343898
  6. Adrienne Bingham, M.DPortland, OR1205129699
  7. Joseph BircherPortland, OR1265827307
  8. Lawrence Cheldelin, M.DPortland, OR1275641078
  9. Howard Cohen, MDPortland, OR1790894913
  10. Michael Colasurdo, MDSpringfield, OR1992878169

Common questions

What is Martha Nelson, MD's NPI number?

Martha Nelson, MD's National Provider Identifier (NPI) is 1285742098, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Martha Nelson, MD located?

The NPPES record lists a practice address at 501 N Graham St, Portland, OR, 97227. Phone: (503) 282-7002. Providers update this record themselves, so call before visiting.

How can I verify Martha Nelson, MD's license?

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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.