Dr. Douglas Glen Larson, MD

  • Roseburg, OR
  • Diagnostic radiologist
NPI1003064999PAC ID3375783038
Medicare services, 2024
6,178
Medicare patients, 2024
4,396
MIPS score, 2024
79
Hospital affiliations
5
Industry payments
$11
Practice address
1813 W Harvard Ave, Roseburg, OR 97471
Practice phone
Call (541) 673-4303
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Roseburg Radiologists

Roseburg, Oregon

See all 19 affiliations

Find Dr. Larson'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.

View contacts for free

Dr. Douglas Glen Larson is a diagnostic radiologist in Roseburg, Oregon

Dr. Larson practices at Roseburg Radiologists in Roseburg, Oregon.

Dr. Larson's NPI, 1003064999, was assigned on September 4, 2008. Dr. Larson graduated from Ohio State University College of Medicine in 2008. Dr. Larson holds Oregon license MD172183.

NPI and contact details
Medicare PAC ID
3375783038
NPI enumeration date
September 4, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(541) 673-4303
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Douglas Glen Larson practices at Roseburg Radiologists in Roseburg, Oregon

Dr. Larson's primary practice is Roseburg Radiologists, at 1813 W Harvard Ave, Roseburg, OR 97471 in Douglas County. The practice phone is (541) 673-4303.

  • Roseburg Radiologists
    1813 W Harvard Ave, Roseburg, OR 97471 · Douglas CountyPhone(541) 673-4303

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

Dr. Douglas Glen Larson is affiliated with 12 sites of care and 7 medical groups

Dr. Larson's primary practice is Roseburg Radiologists in Roseburg, Oregon. Dr. Larson is also affiliated with CHI Mercy Health. The medical group on file is Desert Radiology. Dmand AI also links Dr. Larson to 4 more hospitals, 6 group practices and clinics and 6 medical groups, each named with a free account.

See all 19 affiliations for Dr. Larson

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

Dmand AI tracks the EHR system at Dr. Douglas Glen Larson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larson practices, 11 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Roseburg RadiologistsAvailable with a free account
+11 more sites and 6 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Larson practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Douglas Glen Larson is one of 414 diagnostic radiologists in Oregon

Diagnostic radiology is Dr. Larson's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Larson's licenses on file in 2 states: Oregon and Nevada.

Specialties and state licenses

  • Diagnostic radiology, OregonPrimaryLicense MD172183 · taxonomy 2085R0202X
  • Nevada licenseLicense 15305

Diagnostic radiologists near Dr. Larson

Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.

414diagnostic radiologists in Oregon
9diagnostic radiologists in Roseburg

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Douglas Glen Larson billed Medicare for 6,178 services in 2024

CMS data shows 6,178 Medicare services from Dr. Larson across 78 procedure codes in 2024, for 4,396 Medicare patients. Medicare paid $190,983 for them.

Medicare services, 20246,178
Medicare patients4,396
Paid by Medicare$190,983
Procedure codes78

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

  • 2023
  • 2024
Imaging
2023: 6,6042024: 5,91110%
Tests and treatments
2023: 1582024: 19825%
Other services
2023: 2,5292024: 6997%

Where Dr. Larson's Medicare services took place, 2024

  • In an office1703%
  • In a facility6,00897%

Dr. Larson compared with the Oregon median for diagnostic radiologists, 2024

  • Dr. Larson
  • Oregon median
Medicare services
6,178vs 1,8353.4 times
Medicare patients
4,396vs 1,4653.0 times

Medians across 419 diagnostic radiologists in Oregon with Dmand AI profiles that report each measure.

Dr. Larson'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. Larson

Need commercial claims for Dr. Larson?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Larson and other diagnostic radiologists in Oregon.

Book a meeting

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

Dr. Douglas Glen Larson treated 4,396 Medicare patients in 2024, average age 74

CMS counts 4,396 Medicare patients who saw Dr. Larson in 2024. The largest group is 65 to 74, with 1,694 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Larson's median patient age at 56, with 60% women.

Medicare patients, 20244,396
Average age74
Average risk score1.60
Also on Medicaid21%

Dr. Larson's Medicare patients by age, 2024

Dr. Larson's Medicare patients by sex, 2024

  • Women2,81164%
  • Men1,58536%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis56%
  4. Diabetes35%
  5. Chronic kidney disease34%
  6. Ischemic heart disease31%
  7. Mood disorders30%
  8. Anxiety29%

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

Dr. Larson's patients across all payers

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

Patient panel by age, all payers

Median age 56

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 Glen Larson scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Larson for performance year 2024, reported as part of a group. Dr. Larson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Larson's MIPS scores, performance year 2024

  • 79of 100Final score
  • 91.3of 100Quality
  • 40of 100Improvement Activities
  • 44of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find diagnostic radiologists like Dr. Larson by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Douglas Glen Larson received $11 in industry payments in 2017

CMS Open Payments shows 1 general payment to Dr. Larson from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. NxThera, Inc. paid the most, $11.

Companies that paid Dr. Larson the most, 2017 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Larson

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

Dr. Douglas Glen Larson graduated from Ohio State University College of Medicine

Dr. Larson graduated from Ohio State University College of Medicine in 2008.

  1. Medical schoolOhio State University College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Douglas Glen Larson'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 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Douglas Glen Larson

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 Glen Larson's NPI number?

Dr. Douglas Glen Larson's NPI number is 1003064999. It was assigned on September 4, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Douglas Glen Larson?

Dr. Douglas Glen Larson is a diagnostic radiologist in Roseburg, Oregon. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Douglas Glen Larson practice?

Dr. Larson practices at 1813 W Harvard Ave, Roseburg, OR 97471. Dr. Larson's primary practice is Roseburg Radiologists in Roseburg, Oregon. Dmand AI also links Dr. Larson to 4 hospitals, 6 group practices and clinics and 6 medical groups.

What is Dr. Douglas Glen Larson's office phone number?

The practice phone on file for Dr. Larson is (541) 673-4303.

What is Dr. Douglas Glen Larson's medical license number?

Dr. Larson holds Oregon license MD172183, one of the licenses on file in 2 states.

Which states has Dr. Douglas Glen Larson been licensed in?

Dmand AI has state licenses on file for Dr. Larson in Oregon and Nevada.

Which hospitals is Dr. Douglas Glen Larson affiliated with?

Dr. Larson is affiliated with CHI Mercy Health. Dmand AI links Dr. Larson to 4 more hospitals.

What medical group is Dr. Douglas Glen Larson part of?

Dr. Larson is linked to Desert Radiology. Dmand AI links Dr. Larson to 6 more medical groups.

Does Dr. Douglas Glen Larson accept Medicare?

Yes. CMS data shows Dr. Larson billed Medicare for 6,178 services in 2024, and Dr. Larson accepts Medicare assignment.

What is Dr. Douglas Glen Larson's MIPS score?

Dr. Larson's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

Show 5 more questionsShow fewer questions

How many Medicare patients does Dr. Douglas Glen Larson see?

CMS counts 4,396 Medicare patients who saw Dr. Larson in 2024, with an average age of 74.

What services does Dr. Douglas Glen Larson bill to Medicare?

In 2024, Dr. Larson's most billed Medicare services were diagnostic imaging (74177), diagnostic imaging (71045) and radiation oncology (77067).

Where did Dr. Douglas Glen Larson go to medical school?

Dr. Larson graduated from Ohio State University College of Medicine in 2008.

Has Dr. Douglas Glen Larson received payments from drug or device companies?

CMS Open Payments shows $11 in general payments to Dr. Larson from 1 company from 2017 to 2017. The largest total came from NxThera, Inc.

How long has Dr. Douglas Glen Larson been practicing?

Dr. Larson graduated from medical school in 2008, 18 years ago.

Selling to diagnostic radiology practices?

See diagnostic radiologists in Oregon by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)