Dr. Shannon Parker O'Brien, MD
- Medicare services, 2021
- 23
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 63
- Hospital affiliations
- 1
- Industry payments
- $2,580
- Practice address
- 1515 Nw 18th Avenue, Suite 200, Portland, OR 97209
- Practice phone
- Call (503) 542-4888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwest Ambulatory Surgery Center
Surgery Center - Medicare-Certified · Portland, Oregon
Find Dr. O'Brien's professional email, personal email and mobile number
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Dr. Shannon Parker O'Brien is a plastic surgeon in Portland, Oregon
Dr. O'Brien practices at Northwest Ambulatory Surgery Center in Portland, Oregon.
Dr. O'Brien's NPI, 1730380999, was assigned on May 29, 2007. Dr. O'Brien graduated from University of Texas Medical School at San Antonio in 2002. Dr. O'Brien holds Oregon license MD28292.
- NPI
- 1730380999NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204994460
- NPI enumeration date
- May 29, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 542-4888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shannon Parker O'Brien practices at Northwest Ambulatory Surgery Center in Portland, Oregon
Dr. O'Brien's primary practice is Northwest Ambulatory Surgery Center, at 1515 Nw 18th Avenue, Suite 200, Portland, OR 97209. The practice phone is (503) 542-4888.
- Northwest Ambulatory Surgery Center1515 Nw 18th Avenue, Suite 200, Portland, OR 97209Phone(503) 542-4888
Source: Dmand AI Affiliation Data
Dr. Shannon Parker O'Brien is affiliated with 3 sites of care and 1 medical group
Dr. O'Brien's primary practice is Northwest Ambulatory Surgery Center in Portland, Oregon. Dr. O'Brien is also affiliated with Legacy Good Samaritan Medical Center. The medical group on file is Portland Plastic Surgery Group. Dmand AI also links Dr. O'Brien to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Shannon Parker O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Ambulatory Surgery Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Shannon Parker O'Brien is one of 64 plastic surgeons in Oregon
Plastic surgery is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dmand AI has Dr. O'Brien's licenses on file in 2 states: Oregon and Ohio.
Specialties and state licenses
- Plastic surgery, OregonPrimary
- Ohio license
Plastic surgeons near Dr. O'Brien
Counts of plastic 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. Shannon Parker O'Brien billed Medicare for 23 services in 2021
CMS data shows 23 Medicare services from Dr. O'Brien across 2 procedure codes in 2021, all of them office visits, for 15 Medicare patients. Medicare paid $1,576 for them. Every service was in an office.
Dr. O'Brien's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 152021: 2353%
Dr. O'Brien compared with the Oregon median for plastic surgeons, 2021
- Dr. O'Brien
- Oregon median
- Medicare services
- 23vs 24Close to median
- Medicare patients
- 15vs 4264% below
- Part D claims
- 42vs 3040% above
Medians across 58 plastic surgeons in Oregon with Dmand AI profiles that report each measure.
Dr. O'Brien's most billed Medicare procedure codes, 2021
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. Shannon Parker O'Brien treated 15 Medicare patients in 2024, average age 69
CMS counts 15 Medicare patients who saw Dr. O'Brien in 2024. 73% of them have cancer. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 55, with 98% women.
Chronic conditions among Dr. O'Brien's Medicare patients, 2024
- Cancer73%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women98%
- Men2%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shannon Parker O'Brien wrote 63 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 63 Medicare Part D claims for 28 patients. 97% of them were for generic drugs. CMS names the drug for 42 of them, across 2 drugs with 11 or more claims each, at $242 in total drug cost. In 2023, CMS named 50 claims across 2 drugs.
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic61 claims97%
- Brand-name and other2 claims3%
Dr. O'Brien'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. O'Brien's Part D claims, 2024
- Opioids37%23 of 63 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: 502024: 4216%
Drugs named by CMS: 2 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. Shannon Parker O'Brien takes part in Medicare
Dr. O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Shannon Parker O'Brien received $2,580 in industry payments from 2016 to 2025
CMS Open Payments shows 64 general payments to Dr. O'Brien from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $670.
General payments to Dr. O'Brien by program year, 2016 to 2025
Companies that paid Dr. O'Brien the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Shannon Parker O'Brien graduated from University of Texas Medical School at San Antonio
Dr. O'Brien graduated from University of Texas Medical School at San Antonio in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Shannon Parker O'Brien'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)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. Shannon Parker O'Brien
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. Shannon Parker O'Brien's NPI number?
Dr. Shannon Parker O'Brien's NPI number is 1730380999. It was assigned on May 29, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Shannon Parker O'Brien?
Dr. Shannon Parker O'Brien is a plastic surgeon in Portland, Oregon. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Shannon Parker O'Brien practice?
Dr. O'Brien practices at 1515 Nw 18th Avenue, Suite 200, Portland, OR 97209. Dr. O'Brien's primary practice is Northwest Ambulatory Surgery Center in Portland, Oregon. Dmand AI also links Dr. O'Brien to 1 group practice or clinic.
What is Dr. Shannon Parker O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (503) 542-4888.
What is Dr. Shannon Parker O'Brien's medical license number?
Dr. O'Brien holds Oregon license MD28292, one of the licenses on file in 2 states.
Which states has Dr. Shannon Parker O'Brien been licensed in?
Dmand AI has state licenses on file for Dr. O'Brien in Oregon and Ohio.
Which hospitals is Dr. Shannon Parker O'Brien affiliated with?
Dr. O'Brien is affiliated with Legacy Good Samaritan Medical Center.
What medical group is Dr. Shannon Parker O'Brien part of?
Dr. O'Brien is linked to Portland Plastic Surgery Group.
Does Dr. Shannon Parker O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 23 services in 2021, and Dr. O'Brien accepts Medicare assignment.
How many Medicare patients does Dr. Shannon Parker O'Brien see?
CMS counts 15 Medicare patients who saw Dr. O'Brien in 2024, with an average age of 69.
Show 5 more questionsShow fewer questions
What services does Dr. Shannon Parker O'Brien bill to Medicare?
In 2021, Dr. O'Brien's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Shannon Parker O'Brien go to medical school?
Dr. O'Brien graduated from University of Texas Medical School at San Antonio in 2002.
What drugs does Dr. Shannon Parker O'Brien prescribe most?
In 2024 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Ondansetron ODT and Oxycodone HCl.
Has Dr. Shannon Parker O'Brien received payments from drug or device companies?
CMS Open Payments shows $2,580 in general payments to Dr. O'Brien from 13 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Shannon Parker O'Brien been practicing?
Dr. O'Brien graduated from medical school in 2002, 24 years ago.
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