NPPES file of Aug 9, 2026

Laura J. Silla, MD

Neurology Physician · Portland, OR

Laura J. Silla, MD is a neurology physician with a practice address in Portland, Oregon, and NPI 1427637669, issued on Apr 5, 2021. Check the license (Oregon MD230991, 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
1427637669
Name
Laura J. Silla
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
MD230991 OR
R82121 AZ
12985078-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
501 N Graham St Ste 445, Portland, OR 97227
Phone
(503) 413-6166
Enumerated
Apr 5, 2021
Record last updated
Jul 2, 2026
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.
Download card Updates feed

Also registered at 501 N Graham St Ste 445

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

  1. Adriana Grimes, PA-CPhysician Assistant1750001962
  2. Sophie Griswold, RNAdult Health Nurse Practitioner1649056094
  3. Joshua HannaNeurological Surgery Physician1922531870
  4. Vaidehi Mahadev, MDNeurological Surgery Physician1710477674

Verify Laura J. Silla in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD230991
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

93% fewer Medicare Part D claims than the average neurology physician in 2024

90 Medicare Part D claims for 31 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Laura Silla90
  2. Specialty average1,370

Most prescribed

  1. Lamotrigine13 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.

Laura J. Silla among 287 neurology physician records in Oregon

Laura J. Silla, MD is one of 287 neurology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 94% of them.

  • NPI issued2021 · 94% of these records are older, 3% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2026 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Oregon

There are 287 neurology physician records in Oregon.

The 8 neurology physician records with the nearest ZIP codes

  1. Stephen Gancher, MDPortland, OR 972271285741538
  2. Christopher Ginocchio, M.D.Portland, OR 972271346274131
  3. Ronald Mertens, MDPortland, OR 972271104935014
  4. Osamu Muramoto, M.D.Portland, OR 972271922101955
  5. Yanely Sanchez Ceja, MDPortland, OR 972271932778057
  6. Ashwaan Uddin, MDPortland, OR 972271568090058
  7. Prakash Ambady, M.D.Portland, OR 972251962784298
  8. Pradeep Chandan, DOPortland, OR 972251245735968

Common questions

What is Laura J. Silla, MD's NPI number?

Laura J. Silla, MD's National Provider Identifier (NPI) is 1427637669, issued on Apr 5, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Laura J. Silla, MD located?

The NPPES record lists a practice address at 501 N Graham St Ste 445, Portland, OR, 97227. Phone: (503) 413-6166. Providers update this record themselves, so call before visiting.

How can I verify Laura J. Silla, MD's license?

NPPES lists Oregon license number MD230991, 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 Laura J. Silla, MD prescribe under Medicare Part D?

In 2024, Laura J. Silla, MD had 90 Medicare Part D claims for 31 beneficiaries; the average among neurology physician prescribers was 1,370. 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.