Dr. Edward J. Chaplain, MD

  • Portland, OR
  • Family medicine physician
NPI1275559940PAC ID7113955782
Medicare services, 2024
552
Medicare patients, 2024
108
Part D claims, 2024
6,412
Hospital affiliations
5
Industry payments
$116
Practice address
5050 NE Hoyt Street, Suite 156, Portland, OR 97213
Practice phone
Call (971) 229-8100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Plaza Ambulatory Surgery Center - Portland

Surgery Center - Medicare-Certified · Portland, Oregon

See all 9 affiliations

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Dr. Edward J. Chaplain is a family medicine physician in Portland, Oregon

Dr. Chaplain practices at Plaza Ambulatory Surgery Center - Portland in Portland, Oregon.

Dr. Chaplain's NPI, 1275559940, was assigned on July 14, 2006. Dr. Chaplain graduated from Oregon Health Sciences University School of Medicine in 2005. Dr. Chaplain holds Oregon license MD25602.

NPI and contact details
Medicare PAC ID
7113955782
NPI enumeration date
July 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(971) 229-8100
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
47
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Edward J. Chaplain practices at Plaza Ambulatory Surgery Center - Portland in Portland, Oregon

Dr. Chaplain's primary practice is Plaza Ambulatory Surgery Center - Portland, at 5050 NE Hoyt Street, Suite 156, Portland, OR 97213. The practice phone is (971) 229-8100.

  • Plaza Ambulatory Surgery Center - Portland
    5050 NE Hoyt Street, Suite 156, Portland, OR 97213Phone(971) 229-8100

Source: Dmand AI Affiliation Data

Dr. Edward J. Chaplain is affiliated with 8 sites of care and 1 medical group

Dr. Chaplain's primary practice is Plaza Ambulatory Surgery Center - Portland in Portland, Oregon. Dr. Chaplain is also affiliated with Providence St. Vincent Medical Center. The medical group on file is Providence Medical Group, Oregon. Dmand AI also links Dr. Chaplain to 4 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 9 affiliations for Dr. Chaplain

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Edward J. Chaplain's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chaplain practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Plaza Ambulatory Surgery Center - PortlandAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Edward J. Chaplain is one of 2,398 family medicine physicians in Oregon

Family medicine is Dr. Chaplain's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Chaplain's licenses on file in 2 states: Oregon and Washington.

Specialties and state licenses

  • Family medicine, OregonPrimaryLicense MD25602 · taxonomy 207Q00000X
  • Washington licenseLicense MD00045134

Family medicine physicians near Dr. Chaplain

Counts of family medicine 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. Edward J. Chaplain billed Medicare for 552 services in 2024

CMS data shows 552 Medicare services from Dr. Chaplain across 10 procedure codes in 2024, for 108 Medicare patients. Medicare paid $31,462 for them. Every service was in an office.

Medicare services, 2024552
Medicare patients108
Paid by Medicare$31,462
Procedure codes10

Dr. Chaplain's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2342024: 2371%
Surgery
2023: 1062024: 1148%
Other services
2023: 722024: 11053%
Tests and treatments
2023: 352024: 91160%

Dr. Chaplain compared with the Oregon median for family medicine physicians, 2024

  • Dr. Chaplain
  • Oregon median
Medicare services
552vs 2062.7 times
Medicare patients
108vs 999% above
Part D claims
5,707vs 7817.3 times

Medians across 2,515 family medicine physicians in Oregon with Dmand AI profiles that report each measure.

Dr. Chaplain'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.

See all procedures by Dr. Chaplain

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Edward J. Chaplain treated 108 Medicare patients in 2024, average age 74

CMS counts 108 Medicare patients who saw Dr. Chaplain in 2024. The largest group is 65 to 74, with 53 patients. 61% of them have high blood pressure, and 37% have arthritis. 13% are also on Medicaid. Their average risk score is 0.91, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chaplain's median patient age at 70, with 46% women.

Medicare patients, 2024108
Average age74
Average risk score0.91
Also on Medicaid13%

Dr. Chaplain's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chaplain's Medicare patients by sex, 2024

  • Women4441%
  • Men6459%

Chronic conditions among Dr. Chaplain's Medicare patients, 2024

  1. High blood pressure61%
  2. Arthritis37%
  3. High cholesterol31%
  4. Mood disorders25%
  5. Diabetes24%
  6. Depression22%
  7. Anxiety18%
  8. Chronic kidney disease15%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chaplain's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women46%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Edward J. Chaplain wrote 6,412 Medicare Part D claims in 2024

In 2024, Dr. Chaplain wrote 6,412 Medicare Part D claims for 410 patients. 91% of them were for generic drugs. CMS names the drug for 5,707 of them, across 117 drugs with 11 or more claims each, at $319,831 in total drug cost. In 2023, CMS named 5,358 claims across 109 drugs.

Part D claims, 20246,412
Drugs named by CMS117
Total drug cost$319,831
Part D patients410

Dr. Chaplain's Part D claims by kind of drug, 2024

  • Generic5,823 claims91%
  • Brand-name545 claims8%
  • Other44 claims1%

Dr. Chaplain'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. Chaplain's Part D claims, 2024

  • Opioids8%486 of 6,412 claims
  • Antibiotics2%131 of 6,412 claims
  • Antipsychotics, patients 65 and over1%94 of 6,412 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: 5,3582024: 5,7077%

Drugs named by CMS: 117 in 2024, 109 in 2023.

See all prescribing by Dr. Chaplain

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. Edward J. Chaplain offers telehealth to Medicare patients

Dr. Chaplain accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chaplain as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 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. Edward J. Chaplain received $116 in industry payments from 2016 to 2025

CMS Open Payments shows 2 general payments to Dr. Chaplain from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $92.

General payments to Dr. Chaplain by program year, 2016 to 2025

Companies that paid Dr. Chaplain the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chaplain

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Edward J. Chaplain graduated from Oregon Health Sciences University School of Medicine

Dr. Chaplain graduated from Oregon Health Sciences University School of Medicine in 2005.

  1. Medical schoolOregon Health Sciences University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Edward J. Chaplain's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Edward J. Chaplain

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. Edward J. Chaplain's NPI number?

Dr. Edward J. Chaplain's NPI number is 1275559940. It was assigned on July 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Edward J. Chaplain?

Dr. Edward J. Chaplain is a family medicine physician in Portland, Oregon. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Edward J. Chaplain practice?

Dr. Chaplain practices at 5050 NE Hoyt Street, Suite 156, Portland, OR 97213. Dr. Chaplain's primary practice is Plaza Ambulatory Surgery Center - Portland in Portland, Oregon. Dmand AI also links Dr. Chaplain to 4 hospitals, 1 group practice or clinic and 1 home health agency.

What is Dr. Edward J. Chaplain's office phone number?

The practice phone on file for Dr. Chaplain is (971) 229-8100.

What is Dr. Edward J. Chaplain's medical license number?

Dr. Chaplain holds Oregon license MD25602, one of the licenses on file in 2 states.

Which states has Dr. Edward J. Chaplain been licensed in?

Dmand AI has state licenses on file for Dr. Chaplain in Oregon and Washington.

Which hospitals is Dr. Edward J. Chaplain affiliated with?

Dr. Chaplain is affiliated with Providence St. Vincent Medical Center. Dmand AI links Dr. Chaplain to 4 more hospitals.

What medical group is Dr. Edward J. Chaplain part of?

Dr. Chaplain is linked to Providence Medical Group, Oregon.

Does Dr. Edward J. Chaplain accept Medicare?

Yes. CMS data shows Dr. Chaplain billed Medicare for 552 services in 2024, and Dr. Chaplain accepts Medicare assignment.

Does Dr. Edward J. Chaplain offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chaplain as offering telehealth services.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Edward J. Chaplain see?

CMS counts 108 Medicare patients who saw Dr. Chaplain in 2024, with an average age of 74.

What services does Dr. Edward J. Chaplain bill to Medicare?

In 2024, Dr. Chaplain's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and office visit, established patient (99213).

Where did Dr. Edward J. Chaplain go to medical school?

Dr. Chaplain graduated from Oregon Health Sciences University School of Medicine in 2005.

What drugs does Dr. Edward J. Chaplain prescribe most?

In 2024 Medicare Part D data, Dr. Chaplain's most prescribed drugs by claims were Atorvastatin Calcium, Oxycodone HCl and Amlodipine Besylate.

Has Dr. Edward J. Chaplain received payments from drug or device companies?

CMS Open Payments shows $116 in general payments to Dr. Chaplain from 2 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.

How long has Dr. Edward J. Chaplain been practicing?

Dr. Chaplain graduated from medical school in 2005, 21 years ago.

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