NPPES file of Aug 9, 2026

Robert Henry Ewing, MD

Ophthalmology Physician · Ashland, OR

Robert Henry Ewing, MD is an ophthalmology physician with a practice address in Ashland, Oregon, and NPI 1548265267, issued on Jun 17, 2005. Check the license (Oregon MD18042, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548265267
Name
Robert Henry Ewing
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
MD18042 OR
Self-reported in NPPES; status is on the state search
Practice location
648 N Main St, Ashland, OR 97520
Phone
(541) 482-8100
Enumerated
Jun 17, 2005
Record last updated
Jun 10, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(541) 488-5081
Medicaid IDs
GR0063170 CA
053574 OR
Medicare enrollment
Enrolled (PECOS I20080606000224); 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 648 N Main St

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

  1. David England, ODOptometrist1942205448
  2. Jared Fredrickson, MDOphthalmology Physician1902394893
  3. Jeffrey Welder, M.D.Ophthalmology Physician1043504681

Verify Robert Henry Ewing in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD18042
    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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2.2 times the Medicare Part D claims of the average ophthalmology physician in 2024

3,374 Medicare Part D claims for 598 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Robert Ewing3,374
  2. Specialty average1,518

Most prescribed

  1. Latanoprost1,694 claims
  2. Brimonidine Tartrate259 claims
  3. Timolol Maleate231 claims
  4. Dorzolamide-Timolol220 claims
  5. Dorzolamide Hcl214 claims
  6. Prednisolone Acetate203 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 92.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%71.9
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $57.61

3 payments; by number, the most common kind was food and beverage; the largest payer was Optos, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Ewing$57.61
  2. Specialty average$4,535.02

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

Bills Medicare through 2 group practices

  1. Siskiyou Eye Center Medical Group IncYreka, CA
  2. Siskiyou Eye Center, Medical Group, PCAshland, OR

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

Robert Henry Ewing among 322 ophthalmology physician records in Oregon

Robert Henry Ewing, MD is one of 322 ophthalmology physician records with a practice address in Oregon. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 76% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1979 · median 2007 among the 189 with a school on file
  • Record last updated2009 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Oregon

There are 322 ophthalmology physician records in Oregon.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. William Epstein, MDAshland, OR 975201740285667
  2. Jared Fredrickson, MDAshland, OR 975201902394893
  3. Christine Gonzales, M.D.Ashland, OR 975201700809365
  4. Jeffrey Welder, M.D.Ashland, OR 975201043504681
  5. James Davidian, MDGrants Pass, OR 975261912071036
  6. Matthew Guymon, D.O.Grants Pass, OR 975261205120730
  7. Russell Leavitt, M.D.Grants Pass, OR 975261376546614
  8. Rodney Leavitt, M.D.Grants Pass, OR 975261982630695

Common questions

What is Robert Henry Ewing, MD's NPI number?

Robert Henry Ewing, MD's National Provider Identifier (NPI) is 1548265267, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert Henry Ewing, MD located?

The NPPES record lists a practice address at 648 N Main St, Ashland, OR, 97520. Phone: (541) 482-8100. Providers update this record themselves, so call before visiting.

How can I verify Robert Henry Ewing, MD's license?

NPPES lists Oregon license number MD18042, 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 Robert Henry Ewing, MD prescribe under Medicare Part D?

In 2024, Robert Henry Ewing, MD had 3,374 Medicare Part D claims for 598 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Robert Henry Ewing, MD's MIPS final score?

The 2023 MIPS final score is 92.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.