Dr. Theo Herbert Powell, MD
- Medicare services, 2024
- 16
- Medicare patients, 2024
- 63
- Industry payments
- $126
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 495 SW Ramsey Ave, Grants Pass, OR 97527
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Grants Pass Clinic LLP - HOPD
Acute Care Hospital outpatient department · Grants Pass, Oregon
Find Dr. Powell's professional email, personal email and mobile number
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Dr. Theo Herbert Powell is a general surgeon in Grants Pass, Oregon
Dr. Powell practices at Grants Pass Clinic LLP - HOPD in Grants Pass, Oregon.
Dr. Powell's NPI, 1164427951, was assigned on June 17, 2005. Dr. Powell graduated from Loma Linda University School of Medicine in 1974. Dr. Powell holds Oregon license MD11637.
- NPI
- 1164427951NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618917196
- NPI enumeration date
- June 17, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Theo Herbert Powell practices at Grants Pass Clinic LLP - HOPD in Grants Pass, Oregon
Dr. Powell's primary practice is Grants Pass Clinic LLP - HOPD, at 495 SW Ramsey Ave, Grants Pass, OR 97527.
- Grants Pass Clinic LLP - HOPD495 SW Ramsey Ave, Grants Pass, OR 97527
Source: Dmand AI Affiliation Data
Dr. Theo Herbert Powell is affiliated with 2 sites of care and 1 medical group
Dr. Powell's primary practice is Grants Pass Clinic LLP - HOPD in Grants Pass, Oregon. The medical group on file is Grants Pass Clinic. Dmand AI also links Dr. Powell to 1 more group practice or clinic, named with a free account. Dr. Powell's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Theo Herbert Powell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Powell practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grants Pass Clinic LLP - HOPD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Theo Herbert Powell is one of 438 general surgeons in Oregon
Surgery is Dr. Powell's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Powell is licensed in Oregon.
Specialties and state licenses
- Surgery, OregonPrimary
General surgeons near Dr. Powell
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Theo Herbert Powell billed Medicare for 16 services in 2024
CMS data shows 16 Medicare services from Dr. Powell across 1 procedure code in 2024, for 63 Medicare patients. Medicare paid $1,214 for them. Every service was in an office.
Dr. Powell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 392024: 1659%
Dr. Powell compared with the Oregon median for general surgeons, 2024
- Dr. Powell
- Oregon median
- Medicare services
- 16vs 8381% below
- Medicare patients
- 63vs 8223% below
Medians across 433 general surgeons in Oregon with Dmand AI profiles that report each measure.
Dr. Powell's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Powell and other general surgeons in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Theo Herbert Powell treated 63 Medicare patients in 2024, average age 78
CMS counts 63 Medicare patients who saw Dr. Powell in 2024. The largest group is 75 to 84, with 26 patients. 75% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Powell's median patient age at 72, with 46% women.
Dr. Powell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Powell's Medicare patients by sex, 2024
- Women2743%
- Men3657%
Chronic conditions among Dr. Powell's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Diabetes44%
- Arthritis43%
- Chronic kidney disease41%
- Ischemic heart disease27%
- Depression24%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Powell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Theo Herbert Powell ranks in the 78th percentile for removal or shaving of skin growth in Medicare
Dr. Powell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 45 procedures of removal or shaving of skin growth by Dr. Powell, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Powell ranks in Medicare procedure volume
- Removal or shaving of skin growth
- 78th percentile45 procedures
- Melanoma (skin cancer) excision
- 77th percentile24 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Theo Herbert Powell received $126 in industry payments from 2016 to 2017
CMS Open Payments shows 5 general payments to Dr. Powell from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $55.
General payments to Dr. Powell by program year, 2016 to 2017
Companies that paid Dr. Powell the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Theo Herbert Powell graduated from Loma Linda University School of Medicine
Dr. Powell graduated from Loma Linda University School of Medicine in 1974.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Theo Herbert Powell's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Theo Herbert Powell
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What is Dr. Theo Herbert Powell's NPI number?
Dr. Theo Herbert Powell's NPI number is 1164427951. It was assigned on June 17, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Theo Herbert Powell?
Dr. Theo Herbert Powell is a general surgeon in Grants Pass, Oregon. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Theo Herbert Powell practice?
Dr. Powell practices at 495 SW Ramsey Ave, Grants Pass, OR 97527. Dr. Powell's primary practice is Grants Pass Clinic LLP - HOPD in Grants Pass, Oregon. Dmand AI also links Dr. Powell to 1 group practice or clinic.
What is Dr. Theo Herbert Powell's medical license number?
Dr. Powell holds Oregon license MD11637.
What medical group is Dr. Theo Herbert Powell part of?
Dr. Powell is linked to Grants Pass Clinic.
Does Dr. Theo Herbert Powell accept Medicare?
Yes. CMS data shows Dr. Powell billed Medicare for 16 services in 2024, and Dr. Powell accepts Medicare assignment.
How many Medicare patients does Dr. Theo Herbert Powell see?
CMS counts 63 Medicare patients who saw Dr. Powell in 2024, with an average age of 78.
What services does Dr. Theo Herbert Powell bill to Medicare?
In 2024, Dr. Powell's most billed Medicare services were surgery: skin and soft tissue (11301).
Where did Dr. Theo Herbert Powell go to medical school?
Dr. Powell graduated from Loma Linda University School of Medicine in 1974.
Has Dr. Theo Herbert Powell received payments from drug or device companies?
CMS Open Payments shows $126 in general payments to Dr. Powell from 3 companies from 2016 to 2017. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Theo Herbert Powell been practicing?
Dr. Powell graduated from medical school in 1974, 52 years ago.
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