Dr. Eric Max Barker, MD
- Medicare services, 2019
- 51
- Part D claims, 2024
- 213
- Hospital affiliations
- 1
- Industry payments
- $14
- Medical group
- 1
- Practice address
- 3710 Sw Us Veterans Hospital, Portland, OR 97239
- Practice phone
- Call (503) 220-8262
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Barker's professional email, personal email and mobile number
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Dr. Eric Max Barker is a psychiatrist in Portland, Oregon
Dr. Barker practices at Portland VA Medical Center in Portland, Oregon, part of Veterans Health Administration.
Dr. Barker's NPI, 1427357870, was assigned on March 24, 2011. Dr. Barker graduated from Pritzker School of Medicine in 2011. Dr. Barker holds Utah license 9886119-1205.
- NPI
- 1427357870NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507163748
- NPI enumeration date
- March 24, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 220-8262
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric Max Barker practices at Portland VA Medical Center in Portland, Oregon
Dr. Barker's primary practice is Portland VA Medical Center, at 3710 Sw Us Veterans Hospital, Portland, OR 97239 in Multnomah County. The practice phone is (503) 220-8262.
- Portland VA Medical Center3710 Sw Us Veterans Hospital, Portland, OR 97239 · Multnomah CountyPhone(503) 220-8262
Source: Dmand AI Affiliation Data
Dr. Eric Max Barker is affiliated with 2 sites of care and 1 medical group
Dr. Barker's primary practice is Portland VA Medical Center in Portland, Oregon, part of Veterans Health Administration. The medical group on file is Intermountain Health. Dmand AI also links Dr. Barker 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. Eric Max Barker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Portland VA Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric Max Barker is one of 503 psychiatrists in Oregon
Psychiatry is Dr. Barker's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Barker is board certified in certified medical review officer by the AAMRO. Dmand AI has Dr. Barker's licenses on file in 7 states: Utah, New Hampshire, Idaho, Oregon, Washington, Vermont and New York.
Specialties and state licenses
- Psychiatry, UtahPrimary
- New Hampshire license
- Idaho license
- Oregon license
- Washington license
- Vermont license
- New York license
Psychiatrists near Dr. Barker
Counts of psychiatrists 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. Eric Max Barker billed Medicare for 51 services in 2019
CMS data shows 51 Medicare services from Dr. Barker across 1 procedure code in 2019, all of them office visits. Medicare paid $3,737 for them. Every service was in an office.
Dr. Barker's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 642019: 5120%
- Tests and treatments
- 2018: 172019: 0100%
Dr. Barker compared with the Oregon median for psychiatrists, 2019
- Dr. Barker
- Oregon median
- Medicare services
- 51vs 8943% below
- Part D claims
- 146vs 9062% above
Medians across 549 psychiatrists in Oregon with Dmand AI profiles that report each measure.
Dr. Barker's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Barker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Barker and other psychiatrists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric Max Barker's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Barker's median patient age at 49, with 47% women.
Dr. Barker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Eric Max Barker wrote 213 Medicare Part D claims in 2024
In 2024, Dr. Barker wrote 213 Medicare Part D claims for 14 patients. 86% of them were for generic drugs. CMS names the drug for 146 of them, across 6 drugs with 11 or more claims each, at $60,256 in total drug cost. In 2021, CMS named 53 claims across 2 drugs.
Dr. Barker's Part D claims by kind of drug, 2024
- Generic184 claims86%
- Brand-name29 claims14%
Dr. Barker'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. Barker's Part D claims, 2024
- Antipsychotics, patients 65 and over11%24 of 213 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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 532024: 146175%
Drugs named by CMS: 6 in 2024, 2 in 2021.
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. Eric Max Barker takes part in Medicare
Dr. Barker 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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Dr. Eric Max Barker received $14 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Barker from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $14.
Companies that paid Dr. Barker the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric Max Barker graduated from Pritzker School of Medicine
Dr. Barker graduated from Pritzker School of Medicine in 2011. Dr. Barker is a member of American Academy of Medical Review Officers, APA and ASAM.
- Medical school
- Board certified in certified medical review officer
- Board certified in addiction medicine
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Eric Max Barker accepts plans from 7 insurance carriers
Dr. Barker is in network with 7 carriers, including United Healthcare, Molina and Elevance. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- United Healthcare
- Molina
- Elevance
- HCSC
- Humana
- Alliant Health Plans
- CMS Medicare
Plan types Dr. Barker accepts, by number of carriers
- Medicare5
- PPO4
- HMO3
- EPO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Eric Max Barker'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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Eric Max Barker
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. Eric Max Barker's NPI number?
Dr. Eric Max Barker's NPI number is 1427357870. It was assigned on March 24, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Max Barker?
Dr. Eric Max Barker is a psychiatrist in Portland, Oregon. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Eric Max Barker practice?
Dr. Barker practices at 3710 Sw Us Veterans Hospital, Portland, OR 97239. Dr. Barker's primary practice is Portland VA Medical Center in Portland, Oregon, part of Veterans Health Administration. Dmand AI also links Dr. Barker to 1 group practice or clinic.
What is Dr. Eric Max Barker's office phone number?
The practice phone on file for Dr. Barker is (503) 220-8262.
What is Dr. Eric Max Barker's medical license number?
Dr. Barker holds Utah license 9886119-1205, one of the licenses on file in 7 states.
Which states has Dr. Eric Max Barker been licensed in?
Dmand AI has state licenses on file for Dr. Barker in Utah (2016 to 2026), New Hampshire (since 2015), Idaho (2024 to 2025), Oregon (2018 to 2025), Washington (2020 to 2025), Vermont (2014 to 2018) and New York (2012 to 2014).
Which hospitals is Dr. Eric Max Barker affiliated with?
Dr. Barker practices at Portland VA Medical Center in Portland, Oregon.
What medical group is Dr. Eric Max Barker part of?
Dr. Barker is linked to Intermountain Health.
Does Dr. Eric Max Barker accept Medicare?
Yes. CMS data shows Dr. Barker billed Medicare for 51 services in 2019, and Dr. Barker accepts Medicare assignment.
Is Dr. Eric Max Barker board certified?
Yes. Dr. Barker is board certified in certified medical review officer by the AAMRO.
Show 6 more questionsShow fewer questions
What services does Dr. Eric Max Barker bill to Medicare?
In 2019, Dr. Barker's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Eric Max Barker go to medical school?
Dr. Barker graduated from Pritzker School of Medicine in 2011.
What drugs does Dr. Eric Max Barker prescribe most?
In 2024 Medicare Part D data, Dr. Barker's most prescribed drugs by claims were Buprenorphine-Naloxone, Sublocade and Clonazepam.
Has Dr. Eric Max Barker received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Barker from 1 company from 2019 to 2019. The largest total came from Boston Scientific Corporation.
How long has Dr. Eric Max Barker been practicing?
Dr. Barker graduated from medical school in 2011, 15 years ago.
What insurance does Dr. Eric Max Barker accept?
Dr. Barker is in network with 7 carriers, including United Healthcare, Molina and Elevance. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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