Dr. Jeffrey Matthew Douglass, MD

  • Tualatin, OR
  • Gastroenterologist
NPI1487611984PAC ID9830109404
Medicare services, 2024
377
Medicare patients, 2024
228
Part D claims, 2024
739
Hospital affiliations
4
Industry payments
$61
Practice address
19250 Sw 90th Ave, Tualatin, OR 97062
Practice phone
Call (503) 692-3750
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Gastroenterology South - Tualatin

Tualatin, Oregon

See all 7 affiliations

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Dr. Jeffrey Matthew Douglass is a gastroenterologist in Tualatin, Oregon

Dr. Douglass practices at Gastroenterology South - Tualatin in Tualatin, Oregon.

Dr. Douglass' NPI, 1487611984, was assigned on April 27, 2006. Dr. Douglass graduated from OHSU School of Medicine in 1999. Dr. Douglass' Oregon license number on file is MD23825.

NPI and contact details
Medicare PAC ID
9830109404
NPI enumeration date
April 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(503) 692-3750
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Jeffrey Matthew Douglass practices at Gastroenterology South - Tualatin in Tualatin, Oregon

Dr. Douglass' primary practice is Gastroenterology South - Tualatin, at 19250 Sw 90th Ave, Tualatin, OR 97062 in Washington County. The practice phone is (503) 692-3750.

  • Gastroenterology South - Tualatin
    19250 Sw 90th Ave, Tualatin, OR 97062 · Washington CountyPhone(503) 692-3750

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Jeffrey Matthew Douglass is affiliated with 6 sites of care and 1 medical group

Dr. Douglass' primary practice is Gastroenterology South - Tualatin in Tualatin, Oregon. Dr. Douglass is also affiliated with Legacy Meridian Park Medical Center. The medical group on file is The Oregon Clinic. Dmand AI also links Dr. Douglass to 3 more hospitals and 1 ambulatory surgery center, each named with a free account.

See all 7 affiliations for Dr. Douglass

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jeffrey Matthew Douglass' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Douglass practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Gastroenterology South - TualatinAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jeffrey Matthew Douglass is one of 226 gastroenterologists in Oregon

Gastroenterology is Dr. Douglass' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Douglass is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Douglass' licenses on file in 2 states: Oregon and New Mexico.

Specialties and state licenses

  • Gastroenterology, OregonPrimaryLicense MD23825 · 2002 to 2025 · taxonomy 207RG0100X
  • New Mexico license2003 to 2006

Clinical focus

Dmand AI lists acid reflux, chronic anemia, chronic indigestion, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, gastroduodenitis, gastroenteritis and gastrointestinal bleeding among the conditions Dr. Douglass treats.

Gastroenterologists near Dr. Douglass

Counts of gastroenterologists 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. Jeffrey Matthew Douglass billed Medicare for 377 services in 2024

CMS data shows 377 Medicare services from Dr. Douglass across 9 procedure codes in 2024, for 228 Medicare patients. Medicare paid $36,172 for them.

Medicare services, 2024377
Medicare patients228
Paid by Medicare$36,172
Procedure codes9

Dr. Douglass' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 1592024: 18315%
Lab and pathology
2023: 1372024: 11913%
Office and hospital visits
2023: 1232024: 6250%
Other services
2023: 02024: 13

Where Dr. Douglass' Medicare services took place, 2024

  • In an office18148%
  • In a facility19652%

Dr. Douglass compared with the Oregon median for gastroenterologists, 2024

  • Dr. Douglass
  • Oregon median
Medicare services
377vs 27338% above
Medicare patients
228vs 19020% above
Part D claims
595vs 34075% above

Medians across 224 gastroenterologists in Oregon with Dmand AI profiles that report each measure.

Dr. Douglass' 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. Douglass

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

Dr. Jeffrey Matthew Douglass treated 228 Medicare patients in 2024, average age 72

CMS counts 228 Medicare patients who saw Dr. Douglass in 2024. The largest group is 65 to 74, with 124 patients. 66% of them have high cholesterol, and 62% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Douglass' median patient age at 69, with 54% women.

Medicare patients, 2024228
Average age72
Average risk score1.03
Also on Medicaid10%

Dr. Douglass' Medicare patients by age, 2024

Dr. Douglass' Medicare patients by sex, 2024

  • Women13861%
  • Men9039%

Chronic conditions among Dr. Douglass' Medicare patients, 2024

  1. High cholesterol66%
  2. High blood pressure62%
  3. Arthritis32%
  4. Mood disorders28%
  5. Depression25%
  6. Diabetes22%
  7. Cancer20%
  8. Chronic kidney disease20%

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

Dr. Douglass' patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women54%
  • Men45%

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

Dr. Jeffrey Matthew Douglass wrote 739 Medicare Part D claims in 2024

In 2024, Dr. Douglass wrote 739 Medicare Part D claims for 258 patients. 86% of them were for generic drugs. CMS names the drug for 595 of them, across 18 drugs with 11 or more claims each, at $58,553 in total drug cost. In 2023, CMS named 611 claims across 16 drugs.

Part D claims, 2024739
Drugs named by CMS18
Total drug cost$58,553
Part D patients258

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

  • Generic637 claims86%
  • Brand-name102 claims14%

Dr. Douglass' 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. Douglass' Part D claims, 2024

  • Antibiotics2%17 of 739 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: 6112024: 5953%

Drugs named by CMS: 18 in 2024, 16 in 2023.

See all prescribing by Dr. Douglass

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. Jeffrey Matthew Douglass ranks in the 71st percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Douglass accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Douglass as offering telehealth. CMS counts 77 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Douglass, more than 71% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Douglass ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
71st percentile77 procedures
Colonoscopy
54th percentile30 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Jeffrey Matthew Douglass received $61 in industry payments from 2018 to 2024

CMS Open Payments shows 3 general payments to Dr. Douglass from 2 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $45.

General payments to Dr. Douglass by program year, 2018 to 2024

Companies that paid Dr. Douglass the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Douglass

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

Dr. Jeffrey Matthew Douglass graduated from OHSU School of Medicine

Dr. Douglass graduated from OHSU School of Medicine in 1999.

  1. Medical schoolOHSU School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Jeffrey Matthew Douglass accepts plans from 15 insurance carriers

Dr. Douglass is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Douglass accepts, by number of carriers

  1. PPO10
  2. HMO9
  3. Medicare9
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Jeffrey Matthew Douglass'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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
Insurance carriers and plan typesDmand AI Insurance Network 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. Jeffrey Matthew Douglass

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. Jeffrey Matthew Douglass' NPI number?

Dr. Jeffrey Matthew Douglass' NPI number is 1487611984. It was assigned on April 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jeffrey Matthew Douglass?

Dr. Jeffrey Matthew Douglass is a gastroenterologist in Tualatin, Oregon. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Jeffrey Matthew Douglass practice?

Dr. Douglass practices at 19250 Sw 90th Ave, Tualatin, OR 97062. Dr. Douglass' primary practice is Gastroenterology South - Tualatin in Tualatin, Oregon. Dmand AI also links Dr. Douglass to 3 hospitals and 1 ambulatory surgery center.

What is Dr. Jeffrey Matthew Douglass' office phone number?

The practice phone on file for Dr. Douglass is (503) 692-3750.

What is Dr. Jeffrey Matthew Douglass' medical license number?

Dr. Douglass' Oregon license number on file is MD23825, one of the licenses on file in 2 states.

Which states has Dr. Jeffrey Matthew Douglass been licensed in?

Dmand AI has state licenses on file for Dr. Douglass in Oregon (2002 to 2025) and New Mexico (2003 to 2006).

Which hospitals is Dr. Jeffrey Matthew Douglass affiliated with?

Dr. Douglass is affiliated with Legacy Meridian Park Medical Center. Dmand AI links Dr. Douglass to 3 more hospitals.

What medical group is Dr. Jeffrey Matthew Douglass part of?

Dr. Douglass is linked to The Oregon Clinic.

Does Dr. Jeffrey Matthew Douglass accept Medicare?

Yes. CMS data shows Dr. Douglass billed Medicare for 377 services in 2024, and Dr. Douglass accepts Medicare assignment.

Does Dr. Jeffrey Matthew Douglass offer telehealth?

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

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Jeffrey Matthew Douglass see?

CMS counts 228 Medicare patients who saw Dr. Douglass in 2024, with an average age of 72.

Is Dr. Jeffrey Matthew Douglass board certified?

Yes. Dr. Douglass is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Jeffrey Matthew Douglass bill to Medicare?

In 2024, Dr. Douglass' most billed Medicare services were lab and pathology test (88305), surgery: digestive system (45385) and surgery: digestive system (43239).

Where did Dr. Jeffrey Matthew Douglass go to medical school?

Dr. Douglass graduated from OHSU School of Medicine in 1999.

What drugs does Dr. Jeffrey Matthew Douglass prescribe most?

In 2024 Medicare Part D data, Dr. Douglass' most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Ondansetron ODT.

Has Dr. Jeffrey Matthew Douglass received payments from drug or device companies?

CMS Open Payments shows $61 in general payments to Dr. Douglass from 2 companies from 2018 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Jeffrey Matthew Douglass been practicing?

Dr. Douglass graduated from medical school in 1999, 27 years ago.

What insurance does Dr. Jeffrey Matthew Douglass accept?

Dr. Douglass is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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