Registry data as of Aug 27, 2026

Gary Greenberg, M.D.

Internal Medicine Physician · Seaside, OR

Gary Greenberg, M.D. is an internal medicine physician with a practice address in Seaside, Oregon, and NPI 1720070683, issued on Aug 17, 2005. Check the license (Oregon MD14811, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1720070683
Name
Gary Greenberg
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD14811 OR
Self-reported in NPPES; status is on the state search
Practice location
725 S Wahanna RD Ste 230, Seaside, OR 97138
Phone
(503) 717-7850
Enumerated
Aug 17, 2005
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 725 S Wahanna RD Ste 230

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

  1. Nore Batouli, FNPFamily Nurse Practitioner1790248763
  2. Nicole Benthin, NPFamily Nurse Practitioner1407400500
  3. Dianna Doyle, NPFamily Nurse Practitioner1952870925
  4. Diana Fischer, PHARMDAmbulatory Care Pharmacist1942855515
  5. Jocelyn Stromstad, FNPFamily Nurse Practitioner1255094967

Verify Gary Greenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD14811
    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.

77% fewer Medicare Part D claims than the average internal medicine physician in 2024

652 Medicare Part D claims for 284 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Gary Greenberg652
  2. Specialty average2,785

Most prescribed

  1. Metoprolol Succinate129 claims
  2. Atorvastatin Calcium68 claims
  3. Amlodipine Besylate53 claims
  4. Warfarin Sodium38 claims
  5. Metoprolol Tartrate30 claims
  6. Losartan Potassium27 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.

One hospital or facility affiliation

  1. Kaiser Foundation Health Plan OF The NorthwestHillsboro, OR

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

7 internal medicine physician records list a Seaside practice address

They are 7 of the 174 NPPES records with a Seaside practice address, and 2,511 internal medicine physician records in Oregon.

Other internal medicine physician records in Oregon

  1. Charmaine Clarisse Abalos, M.D.Medford, OR1700376050
  2. Soraya Abbassian, M.D.Portland, OR1225029184
  3. Nicholas Abbott, M.D.Tualatin, OR1124319330
  4. Mohamed Abdel Khalek, M.DRoseburg, OR1972687390
  5. Rand AbedalweliPortland, OR1265019996
  6. Robert Abernathy, M.D.Bend, OR1063433449
  7. Hazel Jane Abool, M.D.Springfield, OR1346538360
  8. Mohamed Aboukhashan, MDMedford, OR1932350782
  9. Allison Abraham, D.O.Portland, OR1831488444
  10. Mary Abraham, MDCorvallis, OR1073876199

Common questions

What is Gary Greenberg, M.D.'s NPI number?

Gary Greenberg, M.D.'s National Provider Identifier (NPI) is 1720070683, issued on Aug 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gary Greenberg, M.D. located?

The NPPES record lists a practice address at 725 S Wahanna RD Ste 230, Seaside, OR, 97138. Phone: (503) 717-7850. Providers update this record themselves, so call before visiting.

How can I verify Gary Greenberg, M.D.'s license?

NPPES lists Oregon license number MD14811, 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 Gary Greenberg, M.D. prescribe under Medicare Part D?

In 2024, Gary Greenberg, M.D. had 652 Medicare Part D claims for 284 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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.