Dr. Colby E. Harrison, MD
- Medicare services, 2024
- 363
- Medicare patients, 2024
- 106
- Part D claims, 2024
- 129
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 4805 NE Glisan Street, Portland, OR 97213
- Practice phone
- Call (503) 215-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Harrison's professional email, personal email and mobile number
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Dr. Colby E. Harrison is an internist in Portland, Oregon
Dr. Harrison practices at Providence Portland Medical Center in Portland, Oregon, part of Providence Health & Services.
Dr. Harrison's NPI, 1366604589, was assigned on June 29, 2008. Dr. Harrison graduated from Oregon Health Sciences University School of Medicine in 2006. Dr. Harrison holds Oregon license MD126182.
- NPI
- 1366604589NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436203684
- NPI enumeration date
- June 29, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 215-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Colby E. Harrison practices at Providence Portland Medical Center in Portland, Oregon
Dr. Harrison's primary practice is Providence Portland Medical Center, at 4805 NE Glisan Street, Portland, OR 97213 in Multnomah County. The practice phone is (503) 215-1111.
- Providence Portland Medical Center4805 NE Glisan Street, Portland, OR 97213 · Multnomah CountyPhone(503) 215-1111
Source: Dmand AI Affiliation Data
Dr. Colby E. Harrison is affiliated with 1 site of care and 2 medical groups
Dr. Harrison's primary practice is Providence Portland Medical Center in Portland, Oregon, part of Providence Health & Services. The medical group on file is Providence Medical Group, Oregon. Dmand AI also links Dr. Harrison to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Colby E. Harrison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harrison practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Portland Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Colby E. Harrison is one of 1,680 internists in Oregon
Internal medicine is Dr. Harrison's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Harrison's licenses on file in 3 states: Oregon, Utah and Washington.
Specialties and state licenses
- Internal medicine, OregonPrimary
- Utah license
- Washington license
Internists near Dr. Harrison
Counts of internists 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. Colby E. Harrison billed Medicare for 363 services in 2024
CMS data shows 363 Medicare services from Dr. Harrison across 4 procedure codes in 2024, for 106 Medicare patients. Medicare paid $30,870 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Harrison's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3482024: 3634%
Dr. Harrison compared with the Oregon median for internists, 2024
- Dr. Harrison
- Oregon median
- Medicare services
- 363vs 30021% above
- Medicare patients
- 106vs 13220% below
- Part D claims
- 11vs 22295% below
Medians across 1,791 internists in Oregon with Dmand AI profiles that report each measure.
Dr. Harrison'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. Harrison and other internists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Colby E. Harrison treated 106 Medicare patients in 2024, average age 72
CMS counts 106 Medicare patients who saw Dr. Harrison in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 2.76, 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. Harrison's median patient age at 71, with 48% women.
Dr. Harrison's Medicare patients by age, 2024
Dr. Harrison's Medicare patients by sex, 2024
- Women5148%
- Men5552%
Chronic conditions among Dr. Harrison's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease53%
- Heart failure53%
- Arthritis49%
- Diabetes48%
- Ischemic heart disease43%
- Atrial fibrillation41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Harrison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Colby E. Harrison wrote 129 Medicare Part D claims in 2024
In 2024, Dr. Harrison wrote 129 Medicare Part D claims for 50 patients. 88% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $42 in total drug cost. In 2023, CMS named 46 claims across 2 drugs.
Dr. Harrison's Part D claims by kind of drug, 2024
- Generic114 claims88%
- Brand-name15 claims12%
Dr. Harrison's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Harrison's Part D claims, 2024
- Opioids13%17 of 129 claims
- Antibiotics16%20 of 129 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 462024: 1176%
Drugs named by CMS: 1 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Colby E. Harrison takes part in Medicare
Dr. Harrison accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Colby E. Harrison graduated from Oregon Health Sciences University School of Medicine
Dr. Harrison graduated from Oregon Health Sciences University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Colby E. Harrison'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 DataDmand AI Org Hierarchy 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| 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. Colby E. Harrison
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Colby E. Harrison's NPI number?
Dr. Colby E. Harrison's NPI number is 1366604589. It was assigned on June 29, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Colby E. Harrison?
Dr. Colby E. Harrison is an internist in Portland, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Colby E. Harrison practice?
Dr. Harrison practices at 4805 NE Glisan Street, Portland, OR 97213. Dr. Harrison's primary practice is Providence Portland Medical Center in Portland, Oregon, part of Providence Health & Services. Dmand AI also links Dr. Harrison to 1 medical group.
What is Dr. Colby E. Harrison's office phone number?
The practice phone on file for Dr. Harrison is (503) 215-1111.
What is Dr. Colby E. Harrison's medical license number?
Dr. Harrison holds Oregon license MD126182, one of the licenses on file in 3 states.
Which states has Dr. Colby E. Harrison been licensed in?
Dmand AI has state licenses on file for Dr. Harrison in Oregon, Utah and Washington.
Which hospitals is Dr. Colby E. Harrison affiliated with?
Dr. Harrison practices at Providence Portland Medical Center in Portland, Oregon.
What medical group is Dr. Colby E. Harrison part of?
Dr. Harrison is linked to Providence Medical Group, Oregon. Dmand AI links Dr. Harrison to 1 more medical group.
Does Dr. Colby E. Harrison accept Medicare?
Yes. CMS data shows Dr. Harrison billed Medicare for 363 services in 2024, and Dr. Harrison accepts Medicare assignment.
How many Medicare patients does Dr. Colby E. Harrison see?
CMS counts 106 Medicare patients who saw Dr. Harrison in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Colby E. Harrison bill to Medicare?
In 2024, Dr. Harrison's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Colby E. Harrison go to medical school?
Dr. Harrison graduated from Oregon Health Sciences University School of Medicine in 2006.
What drugs does Dr. Colby E. Harrison prescribe most?
In 2024 Medicare Part D data, Dr. Harrison's most prescribed drugs by claims were Oxycodone HCl.
How long has Dr. Colby E. Harrison been practicing?
Dr. Harrison graduated from medical school in 2006, 20 years ago.
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