Dr. Colin T. Iosso, MD
- Medicare services, 2024
- 305
- Medicare patients, 2024
- 250
- Part D claims, 2024
- 1,097
- Hospital affiliations
- 5
- Industry payments
- $1,108
- Practice address
- 1717 South J Street, Tacoma, WA 98405
- Practice phone
- Call (253) 627-4101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Iosso's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Colin T. Iosso is a neurologist in Tacoma, Washington
Dr. Iosso practices at St. Joseph Medical Center in Tacoma, Washington, part of CommonSpirit Health.
Dr. Iosso's NPI, 1538137484, was assigned on March 8, 2006. Dr. Iosso holds Washington license MD60201685.
- NPI
- 1538137484NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800832007
- NPI enumeration date
- March 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (253) 627-4101
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Colin T. Iosso practices at St. Joseph Medical Center in Tacoma, Washington
Dr. Iosso's primary practice is St. Joseph Medical Center, at 1717 South J Street, Tacoma, WA 98405 in Pierce County. The practice phone is (253) 627-4101.
- St. Joseph Medical Center1717 South J Street, Tacoma, WA 98405 · Pierce CountyPhone(253) 627-4101
Source: Dmand AI Affiliation Data
Dr. Colin T. Iosso is affiliated with 6 sites of care and 3 medical groups
Dr. Iosso's primary practice is St. Joseph Medical Center in Tacoma, Washington, part of CommonSpirit Health. Dr. Iosso is also affiliated with Confluence Health Hospital | Central Campus. The medical group on file is Franciscan Orthopedics - Silverdale. Dmand AI also links Dr. Iosso to 3 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Colin T. Iosso's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Iosso practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Joseph Medical Center | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Colin T. Iosso is one of 417 neurologists in Washington
Neurology is Dr. Iosso's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Iosso's licenses on file in 3 states: Washington, Tennessee and Texas.
Specialties and state licenses
- Neurology, WashingtonPrimary
- Tennessee license
- Texas license
Neurologists near Dr. Iosso
Counts of neurologists 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. Colin T. Iosso billed Medicare for 305 services in 2024
CMS data shows 305 Medicare services from Dr. Iosso across 9 procedure codes in 2024, for 250 Medicare patients. Medicare paid $26,639 for them.
Dr. Iosso's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2262024: 2385%
- Tests and treatments
- 2023: 402024: 6768%
Where Dr. Iosso's Medicare services took place, 2024
- In an office19163%
- In a facility11437%
Dr. Iosso compared with the Washington median for neurologists, 2024
- Dr. Iosso
- Washington median
- Medicare services
- 305vs 292Close to median
- Medicare patients
- 250vs 16452% above
- Part D claims
- 903vs 4082.2 times
Medians across 403 neurologists in Washington with Dmand AI profiles that report each measure.
Dr. Iosso'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Colin T. Iosso treated 250 Medicare patients in 2024, average age 73
CMS counts 250 Medicare patients who saw Dr. Iosso in 2024. The largest group is 75 to 84, with 103 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.72, 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. Iosso's median patient age at 61, with 57% women.
Dr. Iosso's Medicare patients by age, 2024
Dr. Iosso's Medicare patients by sex, 2024
- Women13755%
- Men11345%
Chronic conditions among Dr. Iosso's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Mood disorders41%
- Depression37%
- Anxiety36%
- Ischemic heart disease35%
- Stroke or TIA31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Iosso's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Colin T. Iosso wrote 1,097 Medicare Part D claims in 2024
In 2024, Dr. Iosso wrote 1,097 Medicare Part D claims for 240 patients. 92% of them were for generic drugs. CMS names the drug for 903 of them, across 33 drugs with 11 or more claims each, at $167,721 in total drug cost. In 2023, CMS named 727 claims across 28 drugs.
Dr. Iosso's Part D claims by kind of drug, 2024
- Generic1,005 claims92%
- Brand-name78 claims7%
- Other14 claims1%
Dr. Iosso'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7272024: 90324%
Drugs named by CMS: 33 in 2024, 28 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. Colin T. Iosso takes part in Medicare
Dr. Iosso 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. Colin T. Iosso received $1,108 in industry payments from 2018 to 2025
CMS Open Payments shows 12 general payments to Dr. Iosso from 8 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 99% of the total. Eisai Inc. paid the most, $244.
General payments to Dr. Iosso by program year, 2018 to 2025
General payments to Dr. Iosso by kind, 2018 to 2025
- Food and beverage$1,09399%
- Education$151%
Companies that paid Dr. Iosso the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Colin T. Iosso'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Colin T. Iosso
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. Colin T. Iosso's NPI number?
Dr. Colin T. Iosso's NPI number is 1538137484. It was assigned on March 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Colin T. Iosso?
Dr. Colin T. Iosso is a neurologist in Tacoma, Washington. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Colin T. Iosso practice?
Dr. Iosso practices at 1717 South J Street, Tacoma, WA 98405. Dr. Iosso's primary practice is St. Joseph Medical Center in Tacoma, Washington, part of CommonSpirit Health. Dmand AI also links Dr. Iosso to 3 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. Colin T. Iosso's office phone number?
The practice phone on file for Dr. Iosso is (253) 627-4101.
What is Dr. Colin T. Iosso's medical license number?
Dr. Iosso holds Washington license MD60201685, one of the licenses on file in 3 states.
Which states has Dr. Colin T. Iosso been licensed in?
Dmand AI has state licenses on file for Dr. Iosso in Washington, Tennessee and Texas.
Which hospitals is Dr. Colin T. Iosso affiliated with?
Dr. Iosso practices at St. Joseph Medical Center in Tacoma, Washington. Dr. Iosso is also affiliated with Confluence Health Hospital | Central Campus. Dmand AI links Dr. Iosso to 3 more hospitals.
What medical group is Dr. Colin T. Iosso part of?
Dr. Iosso is linked to Franciscan Orthopedics - Silverdale. Dmand AI links Dr. Iosso to 2 more medical groups.
Does Dr. Colin T. Iosso accept Medicare?
Yes. CMS data shows Dr. Iosso billed Medicare for 305 services in 2024, and Dr. Iosso accepts Medicare assignment.
How many Medicare patients does Dr. Colin T. Iosso see?
CMS counts 250 Medicare patients who saw Dr. Iosso in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Colin T. Iosso bill to Medicare?
In 2024, Dr. Iosso's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and nerve and brain test (95816).
What drugs does Dr. Colin T. Iosso prescribe most?
In 2024 Medicare Part D data, Dr. Iosso's most prescribed drugs by claims were Gabapentin, Donepezil HCl and Levetiracetam.
Has Dr. Colin T. Iosso received payments from drug or device companies?
CMS Open Payments shows $1,108 in general payments to Dr. Iosso from 8 companies from 2018 to 2025. The largest total came from Eisai Inc.
How long has Dr. Colin T. Iosso been practicing?
Dr. Iosso graduated from medical school in 1988, 38 years ago.
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