Dr. Douglas B. Thayer, MD
- Medicare services, 2024
- 110
- Medicare patients, 2024
- 81
- Part D claims, 2024
- 504
- Hospital affiliations
- 4
- Industry payments
- $26
- Practice address
- 3517 NW Samaritan Dr, Corvallis, OR 97330
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Samaritan Family Med Residnt Clinic - HOPD
Acute Care Hospital outpatient department · Corvallis, Oregon
Find Dr. Thayer'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. Douglas B. Thayer is a family medicine physician in Corvallis, Oregon
Dr. Thayer practices at Samaritan Family Med Residnt Clinic - HOPD in Corvallis, Oregon.
Dr. Thayer's NPI, 1801824263, was assigned on June 28, 2006. Dr. Thayer graduated from University of California, San Diego School of Medicine in 1992. Dr. Thayer holds Oregon license MD19396.
- NPI
- 1801824263NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911985874
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Douglas B. Thayer practices at Samaritan Family Med Residnt Clinic - HOPD in Corvallis, Oregon
Dr. Thayer's primary practice is Samaritan Family Med Residnt Clinic - HOPD, at 3517 NW Samaritan Dr, Corvallis, OR 97330.
- Samaritan Family Med Residnt Clinic - HOPD3517 NW Samaritan Dr, Corvallis, OR 97330
Source: Dmand AI Affiliation Data
Dr. Douglas B. Thayer is affiliated with 7 sites of care and 4 medical groups
Dr. Thayer's primary practice is Samaritan Family Med Residnt Clinic - HOPD in Corvallis, Oregon. Dr. Thayer is also affiliated with Good Samaritan Regional Medical Center. The medical group on file is Good Samaritan Regional Medical Center. Dmand AI also links Dr. Thayer to 3 more hospitals, 3 medical groups and 2 group practices and clinics, each named with a free account. Dr. Thayer's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Douglas B. Thayer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thayer practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Samaritan Family Med Residnt Clinic - HOPD | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Douglas B. Thayer is one of 2,398 family medicine physicians in Oregon
Family medicine is Dr. Thayer's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Thayer is licensed in Oregon.
Specialties and state licenses
- Family medicine, OregonPrimary
Family medicine physicians near Dr. Thayer
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. Douglas B. Thayer billed Medicare for 110 services in 2024
CMS data shows 110 Medicare services from Dr. Thayer across 3 procedure codes in 2024, for 81 Medicare patients. Medicare paid $4,649 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thayer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2562024: 7969%
- Other services
- 2023: 02024: 31
Dr. Thayer compared with the Oregon median for family medicine physicians, 2024
- Dr. Thayer
- Oregon median
- Medicare services
- 110vs 20647% below
- Medicare patients
- 81vs 9918% below
- Part D claims
- 220vs 78172% below
Medians across 2,515 family medicine physicians in Oregon with Dmand AI profiles that report each measure.
Dr. Thayer'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thayer and other family medicine physicians in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas B. Thayer treated 81 Medicare patients in 2024, average age 71
CMS counts 81 Medicare patients who saw Dr. Thayer in 2024. The largest group is 75 to 84, with 28 patients. 64% of them have high blood pressure, and 58% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thayer's median patient age at 47, with 60% women.
Dr. Thayer's Medicare patients by age, 2024
Dr. Thayer's Medicare patients by sex, 2024
- Women5062%
- Men3138%
Chronic conditions among Dr. Thayer's Medicare patients, 2024
- High blood pressure64%
- High cholesterol58%
- Diabetes32%
- Mood disorders32%
- Arthritis31%
- Depression31%
- Anxiety23%
- Heart failure19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thayer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Douglas B. Thayer wrote 504 Medicare Part D claims in 2024
In 2024, Dr. Thayer wrote 504 Medicare Part D claims for 141 patients. 85% of them were for generic drugs. CMS names the drug for 220 of them, across 14 drugs with 11 or more claims each, at $16,284 in total drug cost. In 2023, CMS named 2,123 claims across 63 drugs.
Dr. Thayer's Part D claims by kind of drug, 2024
- Generic428 claims85%
- Brand-name and other76 claims15%
Dr. Thayer'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. Thayer's Part D claims, 2024
- Antipsychotics, patients 65 and over3%14 of 504 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: 2,1232024: 22090%
Drugs named by CMS: 14 in 2024, 63 in 2023.
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. Douglas B. Thayer takes part in Medicare
Dr. Thayer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 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. Douglas B. Thayer received $26 in industry payments from 2017 to 2018
CMS Open Payments shows 2 general payments to Dr. Thayer from 1 drug or device company from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $26.
General payments to Dr. Thayer by program year, 2017 to 2018
Companies that paid Dr. Thayer the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas B. Thayer graduated from University of California, San Diego School of Medicine
Dr. Thayer graduated from University of California, San Diego School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Douglas B. Thayer'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Doctors and Clinicians Utilization Data (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. Douglas B. Thayer
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. Douglas B. Thayer's NPI number?
Dr. Douglas B. Thayer's NPI number is 1801824263. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas B. Thayer?
Dr. Douglas B. Thayer is a family medicine physician in Corvallis, Oregon. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Douglas B. Thayer practice?
Dr. Thayer practices at 3517 NW Samaritan Dr, Corvallis, OR 97330. Dr. Thayer's primary practice is Samaritan Family Med Residnt Clinic - HOPD in Corvallis, Oregon. Dmand AI also links Dr. Thayer to 3 hospitals, 3 medical groups and 2 group practices and clinics.
What is Dr. Douglas B. Thayer's medical license number?
Dr. Thayer holds Oregon license MD19396.
Which hospitals is Dr. Douglas B. Thayer affiliated with?
Dr. Thayer is affiliated with Good Samaritan Regional Medical Center. Dmand AI links Dr. Thayer to 3 more hospitals.
What medical group is Dr. Douglas B. Thayer part of?
Dr. Thayer is linked to Good Samaritan Regional Medical Center. Dmand AI links Dr. Thayer to 3 more medical groups.
Does Dr. Douglas B. Thayer accept Medicare?
Yes. CMS data shows Dr. Thayer billed Medicare for 110 services in 2024, and Dr. Thayer accepts Medicare assignment.
How many Medicare patients does Dr. Douglas B. Thayer see?
CMS counts 81 Medicare patients who saw Dr. Thayer in 2024, with an average age of 71.
What services does Dr. Douglas B. Thayer bill to Medicare?
In 2024, Dr. Thayer's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).
Where did Dr. Douglas B. Thayer go to medical school?
Dr. Thayer graduated from University of California, San Diego School of Medicine in 1992.
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What drugs does Dr. Douglas B. Thayer prescribe most?
In 2024 Medicare Part D data, Dr. Thayer's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Eliquis.
Has Dr. Douglas B. Thayer received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Dr. Thayer from 1 company from 2017 to 2018. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Douglas B. Thayer been practicing?
Dr. Thayer graduated from medical school in 1992, 34 years ago.
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