Anastomosis, SurgicalColectomyIleal Diseases
Dr. Lisa S. Poritz, MD
NPI1427014505
- Medicare services, 2022
- 69
- Part D claims, 2018
- 38
- Publications
- 32
- Industry payments
- $7,988
- Medical groups
- 2
- Practice address
- 1015 Nw 22nd Ave, Portland, OR 97210
- Practice phone
- Call (800) 233-4082
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Dr. Poritz's professional email, personal email and mobile number
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Dr. Lisa S. Poritz is a colorectal surgeon in Portland, Oregon
Dr. Poritz practices with Legacy Medical Group-Northwest, a medical group.
Dr. Poritz's NPI, 1427014505, was assigned on April 26, 2006. Dr. Poritz holds Oregon license MD179297.
NPI and contact details
- NPI
- 1427014505NPI Registry (opens in a new tab)
- NPI enumeration date
- April 26, 2006
- NPI status
- Active
- Practice phone
- (800) 233-4082
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Lisa S. Poritz's practice address is in Portland, Oregon
Dr. Poritz's practice address in the NPI Registry is 1015 Nw 22nd Ave, Portland, OR 97210, in Multnomah County. The practice phone is (800) 233-4082.
- NPI Registry address1015 Nw 22nd Ave, Portland, OR 97210 · Multnomah CountyPhone(800) 233-4082
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lisa S. Poritz is affiliated with 2 medical groups
Dr. Poritz is part of Legacy Medical Group-Northwest, a medical group in Portland, Oregon. The medical group on file is Legacy Salmon Creek Medical Center.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lisa S. Poritz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Poritz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Legacy Medical Group-Northwest | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lisa S. Poritz is one of 30 colorectal surgeons in Oregon
Colon and rectal surgery is Dr. Poritz's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Poritz is licensed in Oregon.
Specialties and state licenses
- Colon and rectal surgery, OregonPrimary
Colorectal surgeons near Dr. Poritz
Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.
30colorectal surgeons in Oregon20colorectal surgeons in Portland5colorectal surgeons at Legacy Medical Group-Northwest
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Lisa S. Poritz billed Medicare for 69 services in 2022
CMS data shows 69 Medicare services from Dr. Poritz across 3 procedure codes in 2022. Medicare paid $6,243 for them. Every service was in an office.
Medicare services, 202269
Paid by Medicare$6,243
Procedure codes3
Dr. Poritz's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Surgery
- 2021: 322022: 3819%
- Office and hospital visits
- 2021: 342022: 319%
Dr. Poritz compared with the Oregon median for colorectal surgeons, 2022
- Dr. Poritz
- Oregon median
- Medicare services
- 69vs 12344% below
- Part D claims
- 38vs 6239% below
Medians across 29 colorectal surgeons in Oregon with Dmand AI profiles that report each measure.
Dr. Poritz's most billed Medicare procedure codes, 2022
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. Lisa S. Poritz's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Poritz's median patient age at 79, with 50% women.
Dr. Poritz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Lisa S. Poritz wrote 38 Medicare Part D claims in 2018
In 2018, Dr. Poritz wrote 38 Medicare Part D claims. They cover 2 drugs, with $2,458 in total drug cost. In 2017, CMS named 17 claims across 1 drug.
Part D claims, 201838
Drugs named by CMS2
Total drug cost$2,458
Dr. Poritz's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 172018: 38124%
Drugs named by CMS: 2 in 2018, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Lisa S. Poritz has 32 publications on record
Dmand AI links 32 papers to Dr. Poritz, published from 2004 to 2017. 2011 was the busiest year, with 6. The most frequent topics are Crohn Disease, Colitis, Ulcerative and Polymorphism, Single Nucleotide. Dr. Poritz has published most often in Dis Colon Rectum. Dr. Poritz's most frequent co-authors are David B. Stewart, MD, Evangelos Messaris, MD, PhD and Danielle Marie Pastor, DO, PhD.
Papers32
Years published2004 to 2017
Dr. Poritz's papers by year, 2004 to 2017
Topics Dr. Poritz writes about most
- Crohn Disease
- Colitis, Ulcerative
- Polymorphism, Single Nucleotide
- Inflammatory Bowel Diseases
- Colectomy
- Genotype
- Anastomosis, Surgical
- B-Lymphocytes
Dr. Poritz's most frequent co-authors
- David B. Stewart, MD9 shared papers
- Evangelos Messaris, MD, PhD4 shared papers
- Danielle Marie Pastor, DO, PhD2 shared papers
Recent publications by Dr. Poritz
Antineoplastic Combined Chemotherapy ProtocolsCamptothecinColorectal Neoplasms
Acetylmuramyl-Alanyl-IsoglutamineB-LymphocytesEpistasis, Genetic
J Gastrointest Surg
Colitis, UlcerativeColonic PouchesHistamine H2 Antagonists
See who Dr. Poritz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Poritz works with, so you can find a warm path to the right colorectal surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lisa S. Poritz received $7,988 in industry payments from 2016 to 2020
CMS Open Payments shows 43 general payments to Dr. Poritz from 7 drug and device companies from 2016 to 2020. Education make up the largest share, 50% of the total. Intuitive Surgical, Inc. paid the most, $7,431.
General payments to Dr. Poritz by program year, 2016 to 2020
General payments to Dr. Poritz by kind, 2016 to 2020
$8Kin total
- Education$4,00050%
- Travel and lodging$2,54532%
- Food and beverage$1,34317%
- Consulting fees$1001%
Companies that paid Dr. Poritz the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Lisa S. Poritz'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Lisa S. Poritz
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. Lisa S. Poritz's NPI number?
Dr. Lisa S. Poritz's NPI number is 1427014505. It was assigned on April 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lisa S. Poritz?
Dr. Lisa S. Poritz is a colorectal surgeon in Portland, Oregon. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. Lisa S. Poritz practice?
Dr. Poritz practices at 1015 Nw 22nd Ave, Portland, OR 97210. Dr. Poritz's primary practice is Legacy Medical Group-Northwest, a medical group.
What is Dr. Lisa S. Poritz's office phone number?
The practice phone on file for Dr. Poritz is (800) 233-4082.
What is Dr. Lisa S. Poritz's medical license number?
Dr. Poritz holds Oregon license MD179297.
What medical group is Dr. Lisa S. Poritz part of?
Dr. Poritz is part of Legacy Medical Group-Northwest in Portland, Oregon. Dr. Poritz is also linked to Legacy Salmon Creek Medical Center. Dmand AI links Dr. Poritz to 2 medical groups in all.
Does Dr. Lisa S. Poritz accept Medicare?
Yes. CMS data shows Dr. Poritz billed Medicare for 69 services in 2022.
What services does Dr. Lisa S. Poritz bill to Medicare?
In 2022, Dr. Poritz's most billed Medicare services were surgery: digestive system (46600), office visit, new patient (99204) and office visit, new patient (99203).
What drugs does Dr. Lisa S. Poritz prescribe most?
In 2018 Medicare Part D data, Dr. Poritz's most prescribed drugs by claims were Suprep and Oxycodone HCl.
Has Dr. Lisa S. Poritz received payments from drug or device companies?
CMS Open Payments shows $7,988 in general payments to Dr. Poritz from 7 companies from 2016 to 2020. The largest total came from Intuitive Surgical, Inc.
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How long has Dr. Lisa S. Poritz been practicing?
Dr. Poritz graduated from medical school in 1992, 34 years ago.
Does Dr. Lisa S. Poritz do research?
Dmand AI links 32 publications to Dr. Poritz, published from 2004 to 2017.
Who does Dr. Lisa S. Poritz publish with?
Dr. Poritz's most frequent co-authors are David B. Stewart, MD (9 shared papers), Evangelos Messaris, MD, PhD (4 shared papers) and Danielle Marie Pastor, DO, PhD (2 shared papers).
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