NPPES file of Aug 9, 2026

John Gilbert Buckmaster, MD

Obstetrics & Gynecology Physician · Portland, OR

John Gilbert Buckmaster, MD is an obstetrics & gynecology physician with a practice address in Portland, Oregon, and NPI 1013922525, issued on Jul 31, 2006. Check the license (Oregon MD12764, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013922525
Name
John Gilbert Buckmaster
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MD12764 OR
Self-reported in NPPES; status is on the state search
Practice location
3181 SW Sam Jackson Park RD, Portland, OR 97239
Phone
(503) 494-4200
Enumerated
Jul 31, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
289702 OR
Medicare enrollment
Enrolled (PECOS I20090429000421); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 1980
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 3181 SW Sam Jackson Park RD

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

  1. Alex AamodtCritical Care Medicine Registered Nurse1154257590
  2. Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
  3. Kenneth Abbey, MDAnesthesiology Physician1588779342
  4. Matthew Abbott, PA-CMedical Physician Assistant1154738003
  5. Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
  6. Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430

Verify John Gilbert Buckmaster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD12764
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 88.7 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 score91.5
  2. Costout of 100 · 30%70.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through one group practice

  1. Legacy Clinics LLCPortland, OR

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

John Gilbert Buckmaster among 654 obstetrics & gynecology physician records in Oregon

John Gilbert Buckmaster, MD is one of 654 obstetrics & gynecology 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 48% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1980 · median 2007 among the 413 with a school on file
  • Record last updated2007 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Oregon

There are 654 obstetrics & gynecology physician records in Oregon.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Richard Allen, MDPortland, OR 972391255349791
  2. Paula Bednarek, MDPortland, OR 972391336154848
  3. Michelle Berlin, MDPortland, OR 972391568478063
  4. Adrienne Bonham, MDPortland, OR 972391700963121
  5. Alison Edelman, MD, MPHPortland, OR 972391407861917
  6. Martha Goetsch, MD,MPHPortland, OR 972391649288101
  7. Jeanne-Marie Guise, MDPortland, OR 972391467559237
  8. Jeffrey Jensen, MDPortland, OR 972391164430690

Common questions

What is John Gilbert Buckmaster, MD's NPI number?

John Gilbert Buckmaster, MD's National Provider Identifier (NPI) is 1013922525, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Gilbert Buckmaster, MD located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-4200. Providers update this record themselves, so call before visiting.

How can I verify John Gilbert Buckmaster, MD's license?

NPPES lists Oregon license number MD12764, 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.

What is John Gilbert Buckmaster, MD's MIPS final score?

The 2023 MIPS final score is 88.7 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.