Gregory Michael O'Connor
- Medicare services, 2024
- 77
- Medicare patients, 2024
- 151
- Part D claims, 2020
- 11
- Hospital affiliations
- 5
- Industry payments
- $107
- 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 Gregory O'Connor'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.
Gregory Michael O'Connor is a diagnostic radiologist in Tacoma, Washington
Gregory O'Connor practices at St. Joseph Medical Center in Tacoma, Washington, part of CommonSpirit Health.
Gregory O'Connor's NPI, 1164982872, was assigned on March 20, 2019. Gregory O'Connor holds North Carolina license 2024-01538.
- NPI
- 1164982872NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103151352
- NPI enumeration date
- March 20, 2019
- 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
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory Michael O'Connor practices at St. Joseph Medical Center in Tacoma, Washington
Gregory O'Connor'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
Gregory Michael O'Connor is affiliated with 7 sites of care and 6 medical groups
Gregory O'Connor's primary practice is St. Joseph Medical Center in Tacoma, Washington, part of CommonSpirit Health. Gregory O'Connor is also affiliated with MultiCare Tacoma General Hospital. The medical group on file is TRA Medical Imaging. Dmand AI also links Gregory O'Connor to 3 more hospitals, 5 medical groups and 2 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Michael O'Connor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory O'Connor practices, 7 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 |
| +6 more sites and 5 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.
Gregory Michael O'Connor is one of 819 diagnostic radiologists in Washington
Diagnostic radiology is Gregory O'Connor's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Gregory O'Connor is licensed in North Carolina.
Specialties and state licenses
- Diagnostic radiology, North CarolinaPrimary
Diagnostic radiologists near Gregory O'Connor
Counts of diagnostic radiologists 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
Gregory Michael O'Connor billed Medicare for 77 services in 2024
CMS data shows 77 Medicare services from Gregory O'Connor across 3 procedure codes in 2024, for 151 Medicare patients. Medicare paid $496 for them. Every service was in a facility, such as a hospital, rather than an office.
Gregory O'Connor compared with the Washington median for diagnostic radiologists, 2024
- Gregory O'Connor
- Washington median
- Medicare services
- 77vs 2,43397% below
- Medicare patients
- 151vs 1,48490% below
- Part D claims
- 11vs 1421% below
Medians across 799 diagnostic radiologists in Washington with Dmand AI profiles that report each measure.
Gregory O'Connor'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 Gregory O'Connor and other diagnostic radiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Gregory Michael O'Connor treated 151 Medicare patients in 2024, average age 69
CMS counts 151 Medicare patients who saw Gregory O'Connor in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.33, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gregory O'Connor's median patient age at 63, with 57% women.
Gregory O'Connor's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory O'Connor's Medicare patients by sex, 2024
- Women7952%
- Men7248%
Chronic conditions among Gregory O'Connor's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis51%
- Chronic kidney disease51%
- Anxiety43%
- Diabetes40%
- Mood disorders36%
- Ischemic heart disease35%
Share of Medicare patients with each condition. A patient can have several.
Gregory O'Connor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory Michael O'Connor wrote 11 Medicare Part D claims in 2020
In 2020, Gregory O'Connor wrote 11 Medicare Part D claims. They cover 1 drug, with $6,497 in total drug cost.
Gregory O'Connor's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Gregory Michael O'Connor takes part in Medicare
Gregory O'Connor 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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Gregory Michael O'Connor received $107 in industry payments from 2022 to 2025
CMS Open Payments shows 2 general payments to Gregory O'Connor from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $75.
General payments to Gregory O'Connor by program year, 2022 to 2025
Companies that paid Gregory O'Connor the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gregory Michael O'Connor'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) |
| 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 Gregory Michael O'Connor
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Michael O'Connor's NPI number?
Gregory Michael O'Connor's NPI number is 1164982872. It was assigned on March 20, 2019, and it is active in the NPI Registry.
What does Gregory Michael O'Connor specialize in?
Gregory Michael O'Connor is a diagnostic radiologist in Tacoma, Washington. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Gregory Michael O'Connor practice?
Gregory O'Connor practices at 1717 South J Street, Tacoma, WA 98405. Gregory O'Connor's primary practice is St. Joseph Medical Center in Tacoma, Washington, part of CommonSpirit Health. Dmand AI also links Gregory O'Connor to 3 hospitals, 5 medical groups and 2 group practices and clinics.
What is Gregory Michael O'Connor's office phone number?
The practice phone on file for Gregory O'Connor is (253) 627-4101.
What is Gregory Michael O'Connor's medical license number?
Gregory O'Connor holds North Carolina license 2024-01538.
Which hospitals is Gregory Michael O'Connor affiliated with?
Gregory O'Connor practices at St. Joseph Medical Center in Tacoma, Washington. Gregory O'Connor is also affiliated with MultiCare Tacoma General Hospital. Dmand AI links Gregory O'Connor to 3 more hospitals.
What medical group is Gregory Michael O'Connor part of?
Gregory O'Connor is linked to TRA Medical Imaging. Dmand AI links Gregory O'Connor to 5 more medical groups.
Does Gregory Michael O'Connor accept Medicare?
Yes. CMS data shows Gregory O'Connor billed Medicare for 77 services in 2024, and Gregory O'Connor accepts Medicare assignment.
How many Medicare patients does Gregory Michael O'Connor see?
CMS counts 151 Medicare patients who saw Gregory O'Connor in 2024, with an average age of 69.
What services does Gregory Michael O'Connor bill to Medicare?
In 2024, Gregory O'Connor's most billed Medicare services were diagnostic imaging (74018), diagnostic imaging (71045) and diagnostic imaging (71046).
Show 3 more questionsShow fewer questions
What drugs does Gregory Michael O'Connor prescribe most?
In 2020 Medicare Part D data, Gregory O'Connor's most prescribed drugs by claims were Xarelto.
Has Gregory Michael O'Connor received payments from drug or device companies?
CMS Open Payments shows $107 in general payments to Gregory O'Connor from 2 companies from 2022 to 2025. The largest total came from Medtronic, Inc.
How long has Gregory Michael O'Connor been practicing?
Gregory O'Connor graduated from medical school in 2014, 12 years ago.
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