Dr. Douglas Brosnan, JD, MD
- Medicare services, 2024
- 645
- Medicare patients, 2024
- 389
- Part D claims, 2024
- 74
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Practice address
- One Medical Plaza, Roseville, CA 95661
- Practice phone
- Call (916) 781-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Brosnan'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 Brosnan is an emergency medicine physician in Roseville, California
Dr. Brosnan practices at Sutter Roseville Medical Center in Roseville, California, part of Sutter Health.
Dr. Brosnan's NPI, 1568642460, was assigned on November 7, 2007. Dr. Brosnan graduated from University of California, Irvine, California College of Medicine in 2005. Dr. Brosnan holds California license A97725.
- NPI
- 1568642460NPI Registry (opens in a new tab)
- NPI enumeration date
- November 7, 2007
- NPI status
- Active
- Practice phone
- (916) 781-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Douglas Brosnan practices at 2 locations in Roseville, California
Dr. Brosnan's primary practice is Sutter Roseville Medical Center, at One Medical Plaza, Roseville, CA 95661 in Placer County. The practice phone is (916) 781-1000. Dr. Brosnan also practices at Sutter Roseville Medical Center, 1 Medical Plz, Roseville, CA 95661.
- Sutter Roseville Medical CenterPrimaryOne Medical Plaza, Roseville, CA 95661 · Placer CountyPhone(916) 781-1000
- Sutter Roseville Medical Center1 Medical Plz, Roseville, CA 95661 · Placer CountyPhone(800) 353-3369
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Douglas Brosnan is affiliated with 2 sites of care and 2 medical groups
Dr. Brosnan's primary practice is Sutter Roseville Medical Center in Roseville, California, part of Sutter Health. Dr. Brosnan is also affiliated with UCI Health - Orange. The medical group on file is Vituity. Dmand AI also links Dr. Brosnan to 1 more medical group, 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 Brosnan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brosnan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Roseville Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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 Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Douglas Brosnan is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Brosnan's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Brosnan is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Brosnan
Counts of emergency 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 Brosnan billed Medicare for 645 services in 2024
CMS data shows 645 Medicare services from Dr. Brosnan across 4 procedure codes in 2024, for 389 Medicare patients. Medicare paid $56,956 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Brosnan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4442024: 40010%
- Tests and treatments
- 2023: 2442024: 245No change
Dr. Brosnan compared with the California median for emergency medicine physicians, 2024
- Dr. Brosnan
- California median
- Medicare services
- 645vs 2652.4 times
- Medicare patients
- 389vs 24360% above
- Part D claims
- 40vs 6235% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Brosnan'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. Brosnan and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas Brosnan treated 389 Medicare patients in 2024, average age 76
CMS counts 389 Medicare patients who saw Dr. Brosnan in 2024. The largest group is 75 to 84, with 134 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.04, 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. Brosnan's median patient age at 47, with 57% women.
Dr. Brosnan's Medicare patients by age, 2024
Dr. Brosnan's Medicare patients by sex, 2024
- Women23460%
- Men15540%
Chronic conditions among Dr. Brosnan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Chronic kidney disease40%
- Ischemic heart disease40%
- Mood disorders40%
- Anxiety37%
- Diabetes37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Brosnan'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
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Douglas Brosnan wrote 74 Medicare Part D claims in 2024
In 2024, Dr. Brosnan wrote 74 Medicare Part D claims for 59 patients. 84% of them were for generic drugs. CMS names the drug for 40 of them, across 3 drugs with 11 or more claims each, at $473 in total drug cost. In 2022, CMS named 24 claims across 2 drugs.
Dr. Brosnan's Part D claims by kind of drug, 2024
- Generic62 claims84%
- Brand-name and other12 claims16%
Dr. Brosnan's most prescribed drugs by claims, 2023
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. Brosnan's Part D claims, 2024
- Antibiotics34%25 of 74 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 242023: 4067%
Drugs named by CMS: 3 in 2023, 2 in 2022.
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. Douglas Brosnan scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Brosnan for performance year 2024, reported as part of a group.
Dr. Brosnan's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Douglas Brosnan received $90 in industry payments from 2016 to 2025
CMS Open Payments shows 4 general payments to Dr. Brosnan from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $69.
General payments to Dr. Brosnan by program year, 2016 to 2025
Companies that paid Dr. Brosnan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas Brosnan graduated from University of California, Irvine, California College of Medicine
Dr. Brosnan graduated from University of California, Irvine, California College of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Douglas Brosnan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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 | Clinician Public Reporting: Overall MIPS Performance (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 Brosnan
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 Brosnan's NPI number?
Dr. Douglas Brosnan's NPI number is 1568642460. It was assigned on November 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas Brosnan?
Dr. Douglas Brosnan is an emergency medicine physician in Roseville, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Douglas Brosnan practice?
Dr. Brosnan practices at One Medical Plaza, Roseville, CA 95661. Dr. Brosnan also practices at 1 Medical Plz, Roseville, CA 95661. Dr. Brosnan's primary practice is Sutter Roseville Medical Center in Roseville, California, part of Sutter Health. Dmand AI also links Dr. Brosnan to 1 medical group.
What is Dr. Douglas Brosnan's office phone number?
The practice phone on file for Dr. Brosnan is (916) 781-1000.
What is Dr. Douglas Brosnan's medical license number?
Dr. Brosnan holds California license A97725.
Which hospitals is Dr. Douglas Brosnan affiliated with?
Dr. Brosnan practices at Sutter Roseville Medical Center in Roseville, California. Dr. Brosnan is also affiliated with UCI Health - Orange.
What medical group is Dr. Douglas Brosnan part of?
Dr. Brosnan is linked to Vituity. Dmand AI links Dr. Brosnan to 1 more medical group.
Does Dr. Douglas Brosnan accept Medicare?
Yes. CMS data shows Dr. Brosnan billed Medicare for 645 services in 2024.
What is Dr. Douglas Brosnan's MIPS score?
Dr. Brosnan's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Douglas Brosnan see?
CMS counts 389 Medicare patients who saw Dr. Brosnan in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Douglas Brosnan bill to Medicare?
In 2024, Dr. Brosnan's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Douglas Brosnan go to medical school?
Dr. Brosnan graduated from University of California, Irvine, California College of Medicine in 2005.
What drugs does Dr. Douglas Brosnan prescribe most?
In 2023 Medicare Part D data, Dr. Brosnan's most prescribed drugs by claims were Ondansetron ODT, Cephalexin and Cefdinir.
Has Dr. Douglas Brosnan received payments from drug or device companies?
CMS Open Payments shows $90 in general payments to Dr. Brosnan from 2 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Douglas Brosnan been practicing?
Dr. Brosnan graduated from medical school in 2005, 21 years ago.
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