Registry data as of Aug 27, 2026

Frank Gilliam, M.D.

Neurology Physician · Clackamas, OR

Frank Gilliam, M.D. is a neurology physician with a practice address in Clackamas, Oregon, and NPI 1912074162, issued on Nov 30, 2006. Check the license 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
1912074162
Name
Frank Gilliam
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
Practice location
10180 SE Sunnyside RD, Clackamas, OR 97015
Phone
(956) 296-4000
Enumerated
Nov 30, 2006
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 10180 SE Sunnyside RD

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

  1. Aaron Abajian, MDDiagnostic Radiology Physician1942732300
  2. Samer Abufadil, MDInternal Medicine Physician1750437653
  3. Jeremy Adler, M.D.Anatomic Pathology & Clinical Pathology Physician1548617483
  4. Alejandro Aguilar, PA-CPhysician Assistant1740940006
  5. Usman Ahmad, D.O.Internal Medicine Physician1326288697
  6. Hyun Jung AhnPhysical Therapist1245014703

Verify Frank Gilliam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical BoardCheck 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.

76% fewer Medicare Part D claims than the average neurology physician in 2024

324 Medicare Part D claims for 45 beneficiaries, against an average of 1,356 among the 13,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Frank Gilliam324
  2. Specialty average1,356

Most prescribed

  1. Levetiracetam43 claims
  2. Lamotrigine38 claims
  3. Zonisamide35 claims
  4. Donepezil Hcl34 claims
  5. Pregabalin28 claims
  6. Clobazam20 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 Medicare quality score for 2023: 81.4 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 score65.8
  2. Costout of 100 · 30%49.2
  3. Promoting interoperabilityout of 100 · 25%98.0
  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).

Industry payments in 2024: $68.47

3 payments, mostly food and beverage; the largest payer was Pfizer Inc.. The 9,995 providers of this specialty with any payment received $8,603.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Frank Gilliam$68.47
  2. Specialty average$8,603.82

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

One hospital or facility affiliation

  1. Kaiser Foundation Health Plan OF The NorthwestClackamas, 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.

Neurology Physician providers in Oregon

There are 284 neurology physician records in Oregon.

Other neurology physician records in Oregon

  1. Francena Abendroth, MDBend, OR1497760995
  2. Sabrena AhmadiPortland, OR1013465103
  3. Zakir Ali, MDAshland, OR1699727750
  4. Ghadah Altowaijri, M.D.Portland, OR1073820858
  5. Prakash Ambady, M.D.Portland, OR1962784298
  6. Sonesh Amin, MDPortland, OR1184121212
  7. Elise Anderson, MDPortland, OR1972764777
  8. Gina Anderson, D.O.Corvallis, OR1932231495
  9. Jordan Anderson, D.O.Portland, OR1255770285
  10. Ellen Andrae, MDNewberg, OR1427248202

Common questions

What is Frank Gilliam, M.D.'s NPI number?

Frank Gilliam, M.D.'s National Provider Identifier (NPI) is 1912074162, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Frank Gilliam, M.D. located?

The NPPES record lists a practice address at 10180 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (956) 296-4000. Providers update this record themselves, so call before visiting.

How can I verify Frank Gilliam, M.D.'s license?

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 Frank Gilliam, M.D. prescribe under Medicare Part D?

In 2024, Frank Gilliam, M.D. had 324 Medicare Part D claims for 45 beneficiaries; the average among neurology physician prescribers was 1,356. Part D covers Medicare prescriptions only.

What is Frank Gilliam, M.D.'s Medicare quality score?

The 2023 MIPS final score is 81.4 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), 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.