Dr. Garret Seth Zallen, MD
- Hospital affiliations
- 1
- Industry payments
- $531
- Medical groups
- 3
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3101 SW Sam Jackson Park Road, Portland, OR 97239
- Practice phone
- Call (541) 241-5090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zallen'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. Garret Seth Zallen is a pediatric surgery physician in Portland, Oregon
Dr. Zallen practices at Shriners Children's Portland in Portland, Oregon, part of Shriners Hospitals for Children.
Dr. Zallen's NPI, 1518972025, was assigned on July 31, 2006. Dr. Zallen graduated from University of Colorado School of Medicine, Denver in 1994. Dr. Zallen holds Oregon license MD25298.
- NPI
- 1518972025NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426020165
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 241-5090
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Garret Seth Zallen practices at Shriners Children's Portland in Portland, Oregon
Dr. Zallen's primary practice is Shriners Children's Portland, at 3101 SW Sam Jackson Park Road, Portland, OR 97239 in Multnomah County. The practice phone is (541) 241-5090.
- Shriners Children's Portland3101 SW Sam Jackson Park Road, Portland, OR 97239 · Multnomah CountyPhone(541) 241-5090
Source: Dmand AI Affiliation Data
Dr. Garret Seth Zallen is affiliated with 3 sites of care and 3 medical groups
Dr. Zallen's primary practice is Shriners Children's Portland in Portland, Oregon, part of Shriners Hospitals for Children. The medical group on file is Shriners Hospitals For Children. Dmand AI also links Dr. Zallen to 2 more group practices and clinics and 2 medical groups, 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. Garret Seth Zallen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zallen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shriners Children's Portland | Available with a free account |
| +2 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 Shriners Hospitals for Children and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Garret Seth Zallen is one of 17 pediatric surgery physicians in Oregon
Pediatric surgery is Dr. Zallen's primary specialty in the NPI Registry, under taxonomy code 2086S0120X. Dr. Zallen is licensed in Oregon.
Specialties and state licenses
- Pediatric surgery, OregonPrimary
Pediatric surgery physicians near Dr. Zallen
Counts of pediatric surgery physicians 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. Garret Seth Zallen's patients have a median age of 15
Across all payers, Dmand AI patient panel data puts Dr. Zallen's median patient age at 15, with 23% women.
Dr. Zallen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 15
Patient panel by sex, all payers
- Women23%
- Men76%
Source: Dmand AI Patient Panel Data
How Dr. Garret Seth Zallen takes part in Medicare
Dr. Zallen 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)
Dr. Garret Seth Zallen received $531 in industry payments from 2022 to 2024
CMS Open Payments shows 7 general payments to Dr. Zallen from 2 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $450.
General payments to Dr. Zallen by program year, 2022 to 2024
Companies that paid Dr. Zallen the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Garret Seth Zallen graduated from University of Colorado School of Medicine, Denver
Dr. Zallen graduated from University of Colorado School of Medicine, Denver in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Garret Seth Zallen'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Garret Seth Zallen
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. Garret Seth Zallen's NPI number?
Dr. Garret Seth Zallen's NPI number is 1518972025. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Garret Seth Zallen?
Dr. Garret Seth Zallen is a pediatric surgery physician in Portland, Oregon. The primary specialty in the NPI Registry is Pediatric Surgery Physician (taxonomy code 2086S0120X).
Where does Dr. Garret Seth Zallen practice?
Dr. Zallen practices at 3101 SW Sam Jackson Park Road, Portland, OR 97239. Dr. Zallen's primary practice is Shriners Children's Portland in Portland, Oregon, part of Shriners Hospitals for Children. Dmand AI also links Dr. Zallen to 2 group practices and clinics and 2 medical groups.
What is Dr. Garret Seth Zallen's office phone number?
The practice phone on file for Dr. Zallen is (541) 241-5090.
What is Dr. Garret Seth Zallen's medical license number?
Dr. Zallen holds Oregon license MD25298.
Which hospitals is Dr. Garret Seth Zallen affiliated with?
Dr. Zallen practices at Shriners Children's Portland in Portland, Oregon.
What medical group is Dr. Garret Seth Zallen part of?
Dr. Zallen is linked to Shriners Hospitals For Children. Dmand AI links Dr. Zallen to 2 more medical groups.
Does Dr. Garret Seth Zallen accept Medicare?
Yes. CMS lists Dr. Zallen as accepting Medicare assignment.
Where did Dr. Garret Seth Zallen go to medical school?
Dr. Zallen graduated from University of Colorado School of Medicine, Denver in 1994.
Has Dr. Garret Seth Zallen received payments from drug or device companies?
CMS Open Payments shows $531 in general payments to Dr. Zallen from 2 companies from 2022 to 2024. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Garret Seth Zallen been practicing?
Dr. Zallen graduated from medical school in 1994, 32 years ago.
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