Dr. Emma Jean Patterson, MD
- Medicare services, 2024
- 103
- Medicare patients, 2024
- 34
- Part D claims, 2024
- 239
- Hospital affiliations
- 1
- Industry payments
- $109,927
- Practice address
- 9775 SW Wilshire Street, Suite 250, Portland, OR 97225
- Practice phone
- Call (503) 688-5180
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wilshire Surgery Center
Surgery Center - Medicare-Certified · Portland, Oregon
Find Dr. Patterson's professional email, personal email and mobile number
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Dr. Emma Jean Patterson is a general surgeon in Portland, Oregon
Dr. Patterson practices at Wilshire Surgery Center in Portland, Oregon.
Dr. Patterson's NPI, 1174515431, was assigned on August 22, 2005. Dr. Patterson holds Oregon license MD22571.
- NPI
- 1174515431NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345148987
- NPI enumeration date
- August 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (503) 688-5180
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Emma Jean Patterson practices at Wilshire Surgery Center in Portland, Oregon
Dr. Patterson's primary practice is Wilshire Surgery Center, at 9775 SW Wilshire Street, Suite 250, Portland, OR 97225. The practice phone is (503) 688-5180.
- Wilshire Surgery Center9775 SW Wilshire Street, Suite 250, Portland, OR 97225Phone(503) 688-5180
Source: Dmand AI Affiliation Data
Dr. Emma Jean Patterson is affiliated with 3 sites of care and 1 medical group
Dr. Patterson's primary practice is Wilshire Surgery Center in Portland, Oregon. Dr. Patterson is also affiliated with Providence St. Vincent Medical Center. The medical group on file is Oregon Weight Loss Surgery. Dmand AI also links Dr. Patterson 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. Emma Jean Patterson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Patterson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wilshire 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. Emma Jean Patterson is one of 438 general surgeons in Oregon
Surgery is Dr. Patterson's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Patterson is licensed in Oregon.
Specialties and state licenses
- Surgery, OregonPrimary
General surgeons near Dr. Patterson
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. Emma Jean Patterson billed Medicare for 103 services in 2024
CMS data shows 103 Medicare services from Dr. Patterson across 2 procedure codes in 2024, for 34 Medicare patients. Medicare paid $4,439 for them. Every service was in an office.
Dr. Patterson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 532024: 589%
- Other services
- 2023: 02024: 45
Dr. Patterson compared with the Oregon median for general surgeons, 2024
- Dr. Patterson
- Oregon median
- Medicare services
- 103vs 8324% above
- Medicare patients
- 34vs 8259% below
- Part D claims
- 201vs 474.3 times
Medians across 433 general surgeons in Oregon with Dmand AI profiles that report each measure.
Dr. Patterson'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. Emma Jean Patterson treated 34 Medicare patients in 2024, average age 70
CMS counts 34 Medicare patients who saw Dr. Patterson in 2024. The largest group is 65 to 74, with 17 patients. 65% of them have arthritis, and 62% have high blood pressure. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Patterson's median patient age at 51, with 83% women.
Dr. Patterson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Patterson's Medicare patients, 2024
- Arthritis65%
- High blood pressure62%
- High cholesterol62%
- Mood disorders59%
- Depression50%
- Anxiety38%
- Diabetes35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Patterson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women83%
- Men17%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Emma Jean Patterson wrote 239 Medicare Part D claims in 2024
In 2024, Dr. Patterson wrote 239 Medicare Part D claims for 55 patients. 94% of them were for generic drugs. CMS names the drug for 201 of them, across 6 drugs with 11 or more claims each, at $9,286 in total drug cost. In 2023, CMS named 244 claims across 4 drugs.
Dr. Patterson's Part D claims by kind of drug, 2024
- Generic225 claims94%
- Brand-name14 claims6%
Dr. Patterson'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: 2442024: 20118%
Drugs named by CMS: 6 in 2024, 4 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
Dr. Emma Jean Patterson offers telehealth to Medicare patients
Dr. Patterson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Patterson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Emma Jean Patterson received $109,927 in industry payments from 2016 to 2025
CMS Open Payments shows 276 general payments to Dr. Patterson from 24 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 77% of the total. Medical Device Business Services, Inc. paid the most, $76,204. It also lists 1 research payment totaling $600 in 2018.
General payments to Dr. Patterson by program year, 2016 to 2025
General payments to Dr. Patterson by kind, 2016 to 2025
- Consulting fees$85,12877%
- Food and beverage$10,53310%
- Speaker and faculty fees$6,2926%
- Travel and lodging$5,5115%
- Other$2,4622%
Companies that paid Dr. Patterson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Emma Jean Patterson'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) |
| 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. Emma Jean Patterson
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. Emma Jean Patterson's NPI number?
Dr. Emma Jean Patterson's NPI number is 1174515431. It was assigned on August 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Emma Jean Patterson?
Dr. Emma Jean Patterson is a general surgeon in Portland, Oregon. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Emma Jean Patterson practice?
Dr. Patterson practices at 9775 SW Wilshire Street, Suite 250, Portland, OR 97225. Dr. Patterson's primary practice is Wilshire Surgery Center in Portland, Oregon. Dmand AI also links Dr. Patterson to 1 group practice or clinic.
What is Dr. Emma Jean Patterson's office phone number?
The practice phone on file for Dr. Patterson is (503) 688-5180.
What is Dr. Emma Jean Patterson's medical license number?
Dr. Patterson holds Oregon license MD22571.
Which hospitals is Dr. Emma Jean Patterson affiliated with?
Dr. Patterson is affiliated with Providence St. Vincent Medical Center.
What medical group is Dr. Emma Jean Patterson part of?
Dr. Patterson is linked to Oregon Weight Loss Surgery.
Does Dr. Emma Jean Patterson accept Medicare?
Yes. CMS data shows Dr. Patterson billed Medicare for 103 services in 2024, and Dr. Patterson accepts Medicare assignment.
Does Dr. Emma Jean Patterson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Patterson as offering telehealth services.
How many Medicare patients does Dr. Emma Jean Patterson see?
CMS counts 34 Medicare patients who saw Dr. Patterson in 2024, with an average age of 70.
Show 4 more questionsShow fewer questions
What services does Dr. Emma Jean Patterson bill to Medicare?
In 2024, Dr. Patterson's most billed Medicare services were office visit, established patient (99213) and medicare service (G2211).
What drugs does Dr. Emma Jean Patterson prescribe most?
In 2024 Medicare Part D data, Dr. Patterson's most prescribed drugs by claims were Omeprazole, Metformin HCl ER and Misoprostol.
Has Dr. Emma Jean Patterson received payments from drug or device companies?
CMS Open Payments shows $109,927 in general payments to Dr. Patterson from 24 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Emma Jean Patterson been practicing?
Dr. Patterson graduated from medical school in 1993, 33 years ago.
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