NPPES file of Aug 9, 2026

Peter Alan Karth, MD

Retina Specialist (Ophthalmology) Physician · North Bend, OR

Peter Alan Karth, MD is a retina specialist (ophthalmology) physician with a practice address in North Bend, Oregon, and NPI 1508181355, issued on Apr 5, 2010. Check the license (Oregon MD175918, 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
1508181355
Name
Peter Alan Karth
Credential
MD
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License number
MD175918 OR
Self-reported in NPPES; status is on the state search
Practice location
3585 Broadway Ave, North Bend, OR 97459
Phone
(541) 873-8462
Enumerated
Apr 5, 2010
Record last updated
Apr 21, 2026
Medicare enrollment
Enrolled (PECOS I20160907002546); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2009
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 3585 Broadway Ave

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

  1. Jane Gilbert, M.D.Ophthalmology Physician1356342950
  2. Brandon HarrOptometrist1457904963
  3. Hyun Soo Jang, MDOphthalmology Physician1336638618

Verify Peter Alan Karth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD175918
    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

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73% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

169 Medicare Part D claims for 83 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Peter Karth169
  2. Specialty average620

Most prescribed

  1. Neomycin-Polymyxin-Dexameth37 claims
  2. Latanoprost36 claims
  3. Prednisolone Acetate27 claims
  4. Timolol Maleate19 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.

Industry payments in 2024: $6,115.97

27 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peter Karth$6,115.97
  2. Specialty average$7,667.49

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Peter Alan Karth among 36 retina specialist (ophthalmology) physician records in Oregon

Peter Alan Karth, MD is one of 36 retina specialist (ophthalmology) physician records with a practice address in Oregon. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.

  • NPI issued2010 · 61% of these records are older, 31% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileYes · 97% of these records are
  • Graduated2009 · median 2006 among the 35 with a school on file
  • Record last updated2026 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in Oregon

There are 36 retina specialist (ophthalmology) physician records in Oregon.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Craig Lemley, MDMedford, OR 975041285685032
  2. Steven Saraf, MDMedford, OR 975041649545112
  3. Albert Edwards, MD, PHDEugene, OR 974011215930763
  4. Allan Hunter, MDEugene, OR 974011184748030
  5. John Hyatt, M.D.Ashland, OR 975201184696346
  6. Tomas Lopez, MDAlbany, OR 973211679830772
  7. Mi-Kyoung Song, M.D.Salem, OR 973061619962131
  8. Jessica Weinstein, M.D.Salem, OR 973021609212448

Common questions

What is Peter Alan Karth, MD's NPI number?

Peter Alan Karth, MD's National Provider Identifier (NPI) is 1508181355, issued on Apr 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Peter Alan Karth, MD located?

The NPPES record lists a practice address at 3585 Broadway Ave, North Bend, OR, 97459. Phone: (541) 873-8462. Providers update this record themselves, so call before visiting.

How can I verify Peter Alan Karth, MD's license?

NPPES lists Oregon license number MD175918, 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 Peter Alan Karth, MD prescribe under Medicare Part D?

In 2024, Peter Alan Karth, MD had 169 Medicare Part D claims for 83 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. 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.