Dr. Douglas Barrie Duncan, MD
- Medicare services, 2024
- 242
- Medicare patients, 2024
- 74
- Part D claims, 2024
- 2,254
- Hospital affiliations
- 2
- Industry payments
- $30
- Practice address
- 400 West Pueblo, Santa Barbara, CA 93105
- Practice phone
- Call (805) 682-7111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Duncan'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 Barrie Duncan is a family medicine physician in Santa Barbara, California
Dr. Duncan practices at Santa Barbara Cottage Hospital in Santa Barbara, California, part of Cottage Health.
Dr. Duncan's NPI, 1932219086, was assigned on August 30, 2006. Dr. Duncan graduated from Joe R. & Teresa Lozano Long School of Medicine in 1980. Dr. Duncan holds California license C39970.
- NPI
- 1932219086NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042257370
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 682-7111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Douglas Barrie Duncan practices at Santa Barbara Cottage Hospital in Santa Barbara, California
Dr. Duncan's primary practice is Santa Barbara Cottage Hospital, at 400 West Pueblo, Santa Barbara, CA 93105 in Santa Barbara County. The practice phone is (805) 682-7111.
- Santa Barbara Cottage Hospital400 West Pueblo, Santa Barbara, CA 93105 · Santa Barbara CountyPhone(805) 682-7111
Source: Dmand AI Affiliation Data
Dr. Douglas Barrie Duncan is affiliated with 4 sites of care and 1 medical group
Dr. Duncan's primary practice is Santa Barbara Cottage Hospital in Santa Barbara, California, part of Cottage Health. Dr. Duncan is also affiliated with Goleta Valley Cottage Hospital. The medical group on file is Physicians' Medical Group. Dmand AI also links Dr. Duncan to 1 more home health agency and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Douglas Barrie Duncan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duncan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Barbara Cottage Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Cottage Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Douglas Barrie Duncan is one of 15,680 family medicine physicians in California
Family medicine is Dr. Duncan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Duncan is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Duncan's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Texas license
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, acute skin infection, adjustment disease, anxiety, asthma, atrial fibrillation and flutter and benign or precancerous skin growths among the conditions Dr. Duncan treats.
Family medicine physicians near Dr. Duncan
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 Barrie Duncan billed Medicare for 242 services in 2024
CMS data shows 242 Medicare services from Dr. Duncan across 3 procedure codes in 2024, for 74 Medicare patients. Medicare paid $1,456 for them. Every service was in an office.
Dr. Duncan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2432024: 2315%
- Surgery
- 2023: 02024: 11
- Other services
- 2023: 162024: 0100%
Dr. Duncan compared with the California median for family medicine physicians, 2024
- Dr. Duncan
- California median
- Medicare services
- 242vs 246Close to median
- Medicare patients
- 74vs 11837% below
- Part D claims
- 1,736vs 8332.1 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Duncan'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. Duncan and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas Barrie Duncan treated 74 Medicare patients in 2024, average age 73
CMS counts 74 Medicare patients who saw Dr. Duncan in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 73% have diabetes. Their average risk score is 1.61, 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. Duncan's median patient age at 66, with 51% women.
Dr. Duncan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Duncan's Medicare patients by sex, 2024
- Women3750%
- Men3750%
Chronic conditions among Dr. Duncan's Medicare patients, 2024
- High blood pressure75%
- Diabetes73%
- High cholesterol69%
- Arthritis57%
- Chronic kidney disease30%
- Mood disorders26%
- Anxiety24%
- Ischemic heart disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duncan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Douglas Barrie Duncan wrote 2,254 Medicare Part D claims in 2024
In 2024, Dr. Duncan wrote 2,254 Medicare Part D claims for 153 patients. 78% of them were for generic drugs. CMS names the drug for 1,736 of them, across 52 drugs with 11 or more claims each, at $303,040 in total drug cost. In 2023, CMS named 1,608 claims across 53 drugs.
Dr. Duncan's Part D claims by kind of drug, 2024
- Generic1,751 claims78%
- Brand-name432 claims19%
- Other71 claims3%
Dr. Duncan'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. Duncan's Part D claims, 2024
- Opioids1%25 of 2,254 claims
- Antibiotics1%22 of 2,254 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: 1,6082024: 1,7368%
Drugs named by CMS: 52 in 2024, 53 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 Barrie Duncan takes part in Medicare
Dr. Duncan 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. Douglas Barrie Duncan received $30 in industry payments from 2017 to 2018
CMS Open Payments shows 2 general payments to Dr. Duncan from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $19.
General payments to Dr. Duncan by program year, 2017 to 2018
Companies that paid Dr. Duncan 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 Barrie Duncan graduated from Joe R. & Teresa Lozano Long School of Medicine
Dr. Duncan graduated from Joe R. & Teresa Lozano Long School of Medicine in 1980.
- Medical school
- Board certified in family medicine
- Board certified in occupational medicine
Source: Dmand AI Professional Profile Data
Dr. Douglas Barrie Duncan accepts plans from 1 insurance carrier
Dr. Duncan is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Douglas Barrie Duncan'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 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) |
| 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. Douglas Barrie Duncan
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 Barrie Duncan's NPI number?
Dr. Douglas Barrie Duncan's NPI number is 1932219086. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas Barrie Duncan?
Dr. Douglas Barrie Duncan is a family medicine physician in Santa Barbara, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Douglas Barrie Duncan practice?
Dr. Duncan practices at 400 West Pueblo, Santa Barbara, CA 93105. Dr. Duncan's primary practice is Santa Barbara Cottage Hospital in Santa Barbara, California, part of Cottage Health. Dmand AI also links Dr. Duncan to 1 home health agency and 1 urgent care center.
What is Dr. Douglas Barrie Duncan's office phone number?
The practice phone on file for Dr. Duncan is (805) 682-7111.
What is Dr. Douglas Barrie Duncan's medical license number?
Dr. Duncan holds California license C39970, one of the licenses on file in 2 states.
Which states has Dr. Douglas Barrie Duncan been licensed in?
Dmand AI has state licenses on file for Dr. Duncan in California (1981 to 2026) and Texas (1980 to 2004).
Which hospitals is Dr. Douglas Barrie Duncan affiliated with?
Dr. Duncan practices at Santa Barbara Cottage Hospital in Santa Barbara, California. Dr. Duncan is also affiliated with Goleta Valley Cottage Hospital.
What medical group is Dr. Douglas Barrie Duncan part of?
Dr. Duncan is linked to Physicians' Medical Group.
Does Dr. Douglas Barrie Duncan accept Medicare?
Yes. CMS data shows Dr. Duncan billed Medicare for 242 services in 2024, and Dr. Duncan accepts Medicare assignment.
How many Medicare patients does Dr. Douglas Barrie Duncan see?
CMS counts 74 Medicare patients who saw Dr. Duncan in 2024, with an average age of 73.
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Is Dr. Douglas Barrie Duncan board certified?
Yes. Dr. Duncan is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Douglas Barrie Duncan bill to Medicare?
In 2024, Dr. Duncan's most billed Medicare services were lab and pathology test (82962), lab and pathology test (83036) and surgery: heart and blood vessels (36415).
Where did Dr. Douglas Barrie Duncan go to medical school?
Dr. Duncan graduated from Joe R. & Teresa Lozano Long School of Medicine in 1980.
What drugs does Dr. Douglas Barrie Duncan prescribe most?
In 2024 Medicare Part D data, Dr. Duncan's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Omeprazole.
Has Dr. Douglas Barrie Duncan received payments from drug or device companies?
CMS Open Payments shows $30 in general payments to Dr. Duncan from 2 companies from 2017 to 2018. The largest total came from Allergan Inc.
How long has Dr. Douglas Barrie Duncan been practicing?
Dr. Duncan graduated from medical school in 1980, 46 years ago.
What insurance does Dr. Douglas Barrie Duncan accept?
Dr. Duncan is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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