NPPES file of Aug 9, 2026

Theo Herbert Powell, M.D.

Surgery Physician · Grants Pass, OR

Theo Herbert Powell, M.D. is a surgery physician with a practice address in Grants Pass, Oregon, and NPI 1164427951, issued on Jun 17, 2005. Check the license (Oregon MD11637, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164427951
Name
Theo Herbert Powell
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
MD11637 OR
Self-reported in NPPES; status is on the state search
Practice location
495 SW Ramsey Ave, Grants Pass, OR 97527
Phone
(541) 476-6644
Enumerated
Jun 17, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(541) 472-5673
Medicaid ID
074527 OR
Medicare enrollment
Enrolled (PECOS I20100701000700); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1974
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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8 nearest surgery physician records → All 524 in Oregon → Look up another NPI →

Also registered at 495 SW Ramsey Ave

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

  1. Thomas Brandes, MDInternal Medicine Physician1992700991
  2. Allie BrieskePhysician Assistant1104610237
  3. Erin ClarkPediatric Nurse Practitioner1770177941
  4. John Countiss, M.D.Internal Medicine Physician1144225921
  5. Sean Dunn, DPMFoot & Ankle Surgery Podiatrist1699001776
  6. Steven Eddy, FNPFamily Nurse Practitioner1235243007

Verify Theo Herbert Powell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD11637    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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Bills Medicare through one group practice

  1. Grants Pass Clinic LLPGrants Pass, OR

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

Theo Herbert Powell among 524 surgery physician records in Oregon

Theo Herbert Powell, M.D. is one of 524 surgery 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1974 · median 2005 among the 321 with a school on file
  • Record last updated2007 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Oregon

There are 524 surgery physician records in Oregon.

All 524 in Oregon → Every provider in Grants Pass → Surgery Physician nationwide →

The 8 surgery physician records with the nearest ZIP codes

  1. Megan Frost, MDGrants Pass, OR 975271255533550
  2. Taranjeet Kaur, M.D.Grants Pass, OR 975271760725147
  3. Aaron Martin, DOGrants Pass, OR 975271932374808
  4. Richard Nelson, D.O.Grants Pass, OR 975271649499443
  5. Jennifer Peraza, MDGrants Pass, OR 975271578198149
  6. Jane Stevens, MDGrants Pass, OR 975271952522138
  7. Brittany Tabler, MDGrants Pass, OR 975271679830566
  8. Lindsay Wenger, MDGrants Pass, OR 975271679916480

Common questions

What is Theo Herbert Powell, M.D.'s NPI number?

Theo Herbert Powell, M.D.'s National Provider Identifier (NPI) is 1164427951, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Theo Herbert Powell, M.D. located?

The NPPES record lists a practice address at 495 SW Ramsey Ave, Grants Pass, OR, 97527. Phone: (541) 476-6644. Providers update this record themselves, so call before visiting.

How can I verify Theo Herbert Powell, M.D.'s license?

NPPES lists Oregon license number MD11637, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.